THE SHEAHAN LITERATURE SERVICE · 2015. 9. 21. · Armstrong, J. - Karowe mine: distribution of...

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THE SHEAHAN LITERATURE SERVICE Diamonds, Kimberlites, and Related Geology September 2015 Highlights The Sheahan Literature Service is dedicated to advancing research driven mineral exploration by increasing the awareness and availability of scientific publications and technical resources. Sheahan Literature Services Patricia Sheahan Email: [email protected] "Universities exist to transmit knowledge and understanding . . . to students, not to provide entertainment for spectators or employment for athletes." Milton Friedman PDAC Diamond Monday afternoon March 7 2016 outline as follows: Diamonds in Southern Africa: back to the beginning. De Wit, M. - A review of producing and near producing diamond projects in Africa, with an emphasis on southern Africa. Davidson, J. - Petra Diamonds – a world leading independent southern Africa producer and explorer. Armstrong, J. - Karowe mine: distribution of large diamonds within the AK6 kimberlite: the story after four years of production. Bristow, J. - Diamonds 2016 – changes, consolidation and the future of the international diamond business. Even-Zohar, C. – The diamond industry- pipeline facing transparency, sythetics, and demand challenges. 11 th International Kimberlite Conference Website which can be viewed by clicking on the link below. www.11ikc.com The conference is to be held in Gaborone, Botswana in September 2017, which is now two years away. The conference flier is attached for your interest which highlights the technical themes and field trips which we hope together will contribute to an enlightening and exciting conference. The convenors and organising committee look forward welcoming you along with the rest of the kimberlite community to Botswana. Chalapathi Rao et al. A Late Cretaceous 90 Ma kimberlite event in southern India: implications… IN: Gondwana Research Karfunkel et al. Surface source of Coromandel diamonds….. IN: Neues Jahrbuch Kaur and Mitchell Mineralogy of P-12 K-Ti-richterite in lamproite ( Wajrakarur) IN: Mineralogy and Petrology Wainwright et al. Investigating metasomatic effects on isotopic signature ( Letlhakane) IN: Lithos Pat Sheahan Honorary Research Associate University of British Columbia /MDRU

Transcript of THE SHEAHAN LITERATURE SERVICE · 2015. 9. 21. · Armstrong, J. - Karowe mine: distribution of...

Page 1: THE SHEAHAN LITERATURE SERVICE · 2015. 9. 21. · Armstrong, J. - Karowe mine: distribution of large diamonds within the AK6 kimberlite: the story after four years of production.

THE SHEAHAN LITERATURE SERVICE

Diamonds, Kimberlites, and Related Geology

September 2015

Highlights

The Sheahan Literature Service is dedicated to advancing(research(driven(mineral(exploration(by increasing the awareness(and(availability(of scientific publications and technical resources. (

Sheahan Literature Services Patricia Sheahan

Email: [email protected]!

"Universities exist to transmit knowledge and understanding . . . to students, not to provide entertainment for spectators or employment

for athletes." Milton Friedman PDAC Diamond Monday afternoon March 7 2016 outline as follows: Diamonds in Southern Africa: back to the beginning. De Wit, M. - A review of producing and near producing diamond projects in Africa, with an emphasis on southern Africa. Davidson, J. - Petra Diamonds – a world leading independent southern Africa producer and explorer. Armstrong, J. - Karowe mine: distribution of large diamonds within the AK6 kimberlite: the story after four years of production. Bristow, J. - Diamonds 2016 – changes, consolidation and the future of the international diamond business. Even-Zohar, C. – The diamond industry- pipeline facing transparency, sythetics, and demand challenges.

11th International Kimberlite Conference Website which can be viewed by clicking on the link below. www.11ikc.com The conference is to be held in Gaborone, Botswana in September 2017, which is now two years away. The conference flier is attached for your interest which highlights the technical themes and field trips which we hope together will contribute to an enlightening and exciting conference. The convenors and organising committee look forward welcoming you along with the rest of the kimberlite community to Botswana.

Chalapathi Rao et al. A Late Cretaceous 90 Ma kimberlite event in southern India: implications… IN: Gondwana Research Karfunkel et al. Surface source of Coromandel diamonds….. IN: Neues Jahrbuch Kaur and Mitchell Mineralogy of P-12 K-Ti-richterite in lamproite ( Wajrakarur) IN: Mineralogy and Petrology Wainwright et al. Investigating metasomatic effects on isotopic signature ( Letlhakane) IN: Lithos Pat Sheahan Honorary Research Associate University of British Columbia /MDRU

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NEW SCIENTIFIC LITERATURE (by Source) REF # AUTHOR YEAR TITLE SOURCE REGION/LOCATION KEYWORDS

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&1 D1509-01 Valley, J.W.,

Reinhard, D.A., Cavosie, A.J., Ushikubo, T., Lawrence, D.F., Larson, D.J., Kelly, T.F., Snoeyenbos, D.R., Strickland, A.

2015 Nano- and micro-geochronology in Hadean and Archean zircons by atom-probe tomography and SIMS: new tools for old minerals.

American Mineralogist, Vol. 100, pp. 1355-1377.

Australia

Geochronology

&2 D1509-02 Baptiste, V.,

Demouchy, S., Keshav, S., Parat, F., Bolfan-Casanova, N., Condamine, P., Cordier, P.

2015 Decrease of hydrogen incorporation in forsterite from CO2-H2O rich kimberlitic liquid.

American Mineralogist, Vol. 100, pp. 1912-1920.

Technology

Hydrogen, water

&3 D1509-03 Karfunkel, J.,

Hoover, D., Fernandes, A.F., Sgarbi, G.M.C., Kambrock, K., Oliviera, G.D.

2014 Diamonds from the Coromandel area, west Minas Gerais State, Brazil: an update and new data on surface sources and origin.

Brazilian Journal of Geology ** in english, Vol. 44, 2, pp. 325-338.

South America, Brazil, Minas Gerais

Deposit - Coromandel

&4 D1509-04 Brey, G.P.,

Girnis, A.V., Bulatov, V.K., Hofer, H.E., Gerdes, A., Woodland, A.B.

2015 Reduced sediment melting at 7.5-12 Gpa: phase relations, geochemical signals and diamond nucleation.

Contribution to Mineralogy and Petrology, Vol. 170, 25p.

Technology

Experimental petrology

&5 D1509-05 Palyanov, Y.N.,

Borzdov, Y.M., Kupriyanov, I.N., Bataleva, Y.V., Khohkhryakov, A.F.

2015 Diamond crystallization from tin-carbon system at HPHT conditions.

Diamonds & Related Materials, Vol. 58, pp. 40-45.

Technology

Diamond synthetics

&6 D1509-06 Yelisseyev, A.,

Khrenov, A., Afanasiev, V., Pustovarov, V., Gromilov, S., Panchenko, A., Pokhilenko, N., Litasov, K.

2015 Luminescence of natural carbon nanomaterial: impact diamonds from the Popigai crater.

Diamonds & Related Materials, Vol. 58, pp. 69-77.

Russia

Deposit - Popigai

&7 D1509-07 Eaton-Magana,

S. 2015 Comparison of

luminescence lifetimes from natural and laboratory irradiated diamonds.

Diamonds & Related Materials, Vol. 58, pp. 94-102.

Technology

Photoluminesce

&8

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D1509-08 Sokol, A.G., Kruk, A.N., Chebotarev, D.A., Palyanov, Yu.N., Sobolev, N.V.

2015 The composition of garnet as an indicator of the conditions of peridotite-carbonatite interaction in the subcratonic lithosphere ( Experimental data).

Doklady Earth Sciences, Vol. 463, 1, pp. 746-750.

Mantle

Garnet, carbonatite

&1 D1509-09 Ionov, D.A.,

Carlson, R.W., Doucet, L.S., Golovin, A.V., Oleinikov, O.B.

2015 The age and history of the lithospheric mantle of the Siberian craton: Re-Os and PGE study of peridotite xenoliths from the Obnazhennaya kimberlite.

Earth and Planetary Science Letters, Vol. 428, pp. 108-119.

Russia, Siberia

Deposit - Obnazhennaya

&2 D1509-10 De Wit, R.W.L.,

Trampert, J. 2015 Robust constraints on

average radial lower mantle anisotropy and consequences for composition and texture.

Earth and Planetary Science Letters, Vol. 429, pp. 101-109.

Mantle

Seismic -anisotropy

&3 D1509-11 Johnson, B.,

Goldblatt, C. 2015 The nitrogen budget of

Earth. Earth-Science Reviews, Vol. 148, pp. 150-173.

Mantle

Nitrogen

&4 D1509-12 Renfro 2015 Digital

photomicrography for gemologists.

Gems & Gemology, Summer pp. 144-159.

Technology

Photomicrography

&5 D1509-13 Cawthorn, R.G. 2015 The geometry and

emplacement of the Pilanesberg Complex, South Africa.

Geological Magazine, Vol. 152, 5, pp. 802-812.

Africa, South Africa

Alkaline rocks

&6 D1509-14 Hongsresawat,

S., Panning, M.P., Russo, R.M., Foster, D.A., Monteiller, V., Chevrot, S.

2015 USArray shear wave splitting shows seismic anisotropy from both lithosphere and asthenosphere.

Geology, Vol. 43, 8, pp. 667-670.

USA

Seismic -anisotropy

&7 D1509-15 Kamenetsky,

V.S., Mitchell, R.H., Maas, R., Giuliani, A., Gaboury, D., Zhitova, L.

2015 Chlorine in mantle derived carbonatite melts revealed by halite in the St. Honore intrusion ( Quebec, Canada).

Geology, Vol. 43, 8, pp. 687-690.

Canada, Quebec

Carbonatite

&8 D1509-16 Ryberg, T.,

Haberland, C., Haberlau, T., Weber, M.H., Klaus, B., Behrmann, J.H., Jokat, W.

2015 Crustal structure of northwest Namibia: evidence for plume rift continent interaction.

Geology, Vol. 43, 8,pp. 739-

Africa, Namibia

Plume, rifting

&9

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D1509-17 McKenzie, D., Daly, M.C., Priestley, K.

2015 The lithospheric structure of Pangea.

Geology, Vol. 43, 9, pp. 783-786.

Mantle

Pangea

&1 D1509-18 Cooper, C.M. 2015 Puzzling the pieces -

supercontinent at depth. Geology, Vol. 43, 9, pp. 847-848.

Global

Plate reconstructions

&2 D1509-19 Magee, C.,

Mahaaj, S.M., Wrona, T., Jackson, A-L.

2015 Controls on the expression of igneous intrusions in seismic reflection data.

Geosphere, Vol. 11, 4, pp. 1024-1041.

Mantle

Magmatism

&3 D1509-20 Chalapathi Rao,

N.V., Dongre, A., Wu, F-Y., Lehmann, B.

2015 A Late Cretaceous ( ca.90Ma) kimberlite event in southern India: implication for sub-continental lithospheric mantle evolution and diamond exploration. Wajrakarur

Gondwana Research, in press available 12p.

India

Deposit - Timmasamudram

&4 D1509-21 Ratheesh-

Kumar, R.T., Ishwar-Kumar, C., Windley, B., Razakamanana, T., Nair, R.R., Sajeev, K.

2014 India-Madagascar paleo-fit based on flexural isostasy of their rifted margins.

Gondwana Research, Vol. 28, 2, pp. 581-600.

India, Africa, Madagascar

Tectonics

&5 D1509-22 Boger, S.D.,

Hirdes, W., Ferreira, C.A.M., Jenett, T., Dallwig, R., Fanning, C.M.

2015 The 580-520 Ma Gondwana suture of Madagascar and its continuation into Antarctica and Africa.

Gondwana Research, Vol. 28, pp. 1048-1060.

Africa, Madagascar

Tectonics

&6 D1509-23 Srivastava,

R.K., Gautam, G.C.

2015 Geochemistry and petrogenesis of Paleo-Mesoproterozoic mafic dyke swarms from northern Bastar craton, central India: geodynamic implications in reference to Columbia supercontinent.

Gondwana Research, Vol. 28, pp. 1061-1078.

India

Dike swarms

&7 D1509-24 Saraiva dos

Santos, T.J., Da Silva Amaral, W., Ancelmi, M.F., Pitarello, M.Z., Fuck, R.A., Dantas, E.L.

2015 U-Pb age of coesite bearing eclogite from NW Borborema Province, NE Brazil: implications for western Gondwana assembly.

Gondwana Research, Vol. 28, pp. 1183-1196.

South America, Brazil

UHP

&8 D1509-25 Thiery, V., Rolin,

P., Dubois, M., 2015 Discovery of

metamorphic Gondwana Research, Vol. 28, pp. 954-960.

Europe, France

Microdiamonds

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Caumon, M-C. microdiamonds from the parautochthonous units of the Variscan French Massif Central.

&1 D1509-26 ICMM 2015 The role of mining in

Ghana's future. ICMM, July 72p. Africa, Ghana

Legal

&2 D1509-27 Macgregor, I.D. 2015 Empirical

geothermometers and geothermobarometers for spinel peridotite phase assemblages.

International Geology Review, Vol. 57, 15, pp. 1940-1974.

Technology

Peridotite experimental petrology

&3 D1509-28 Presser, J. 2015 Mantle tomography -

Cullinan jaimeleonardobp.gmail.com, pdf file

Africa, South Africa

Deposit - Cullinan

&4 D1509-29 Presser, J. 2015 Mantle tomography

Itapoti diamond area jaimeleonardobp.gmail.com, pdf file

South America, Paraguay

Geophysics - seismics

&5 D1509-30 Jessell, M.,

Santoul, J., Baratoux, L., Youbi, N., Ernst, R.E., Metelka, V., Miller, J., Perrouty, S.

2015 An updated map of West African mafic dykes.

Journal of African Earth Studies, in press available

Africa, West Africa

Geophysics - magnetics

&6 D1509-31 Witherly, K. 2015 Backgrounder on award

for HT SQUID development ( Cathy Foley and Keith Leslie) Clunies Ross award for inovation.

[email protected], 2p. Aug. 15

History

Geophysics - SQUID

&7 D1509-32 Campeny, M.,

Kamenetsky, V.S., Melgarejo, J.C., Mangas, J., Manuel, J., Alfonso, P., Kamenetsky, M.B., Bambi, A.C.J.M., Goncalves, A.O.

2015 Carbonatitic lavas in Catanda ( Kwanza Sul, Angola): mineralogical and geochemical constraints on the parental melt.

Lithos, Vol. 232, pp. 1-11. Africa, Angola

Carbonatite

&8 D1509-33 Wainwright,

A.N., Luguet, A., Fonsec, R.O.C., Pearson, D.G.

2015 Investigating metasomatic effects on the 187Os isotopic signature: a case study on the micrometric base metal sulphides in metasomatised peridotite from the Letlhakane kimberlite, (Botswana).

Lithos, Vol. 232, pp. 35-48.

Africa, Botswana

Deposit - Letlhakane

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&1 D1509-34 France, L.,

Chazot, G., Kornprobst, J., Dallai, L., Vannucci, R., Gregoire, M., Bertrand, H., Boivin, P.

2015 Mantle refertilization and magmatism in old orogenic regions: the role of late-orogenic pyroxenites.

Lithos, Vol. 232, pp. 49-75.

Africa, Morocco, Cameroon, Jordan, Europe, France

Xenoliths

&2 D1509-35 Kaur, G.,

Mitchell, R.H. 2015 Mineralogy of the P-12

K-Ti-richterite diopside olivine lamproite from Wajrakarur, Andhra Pradesh, India: implications for subduction related magmatism in eastern India.

Mineralogy and Petrology, In press available 23p.

India, Andhra Pradesh

Deposit - P-12

&3 D1509-36 Kaminsky, F.,

Matzel, J., Jacobsen, B., Hutcheon, I., Wirth, R.

2015 Isotopic fractionation of oxygen and carbon in decomposed lower mantle inclusions in diamond.

Mineralogy and Petrology, in press available 7p.

South America, Brazil, Mato Grosso

Deposit - Juina area

&4 D1509-37 Weiss, Y.,

McNeill, J., Pearson, D.G., Ottley, C.J.

2015 Highly saline fluids from a subducting slab as the source for fluid-rich diamonds.

Nature, Vol. 524, pp. 339-342.

Mantle

Subduction

&5 D1509-38 Jellinek, A.M.,

Jackson, M.G. 2015 Connections between

bulk composition, geodynamics and habitability of Earth.

Nature Geoscience, Vol. 8, pp. 587-593.

Mantle

Geochemistry

&6 D1509-39 Poli, S. 2015 Carbon mobilized at

shallow depths in subduction zones by carbonatitic liquids.

Nature Geoscience, Vol. 8, pp. 633-636.

Mantle

Carbonatite

&7 D1509-40 Davies, C.,

Pozzo, M., Gubbins, D., Alfe, D.

2015 Constraints from material properties on the dynamics and evolution of Earth's core.

Nature Geoscience, Vol. 8, pp. 678-785.

Mantle

HT - core evolution

&8 D1509-41 Karfunkel, J.,

Hoover, D., Fernandes, A.F., Sgarbi, G.M.C., Oliviera, G.D., Walde, D., Michelfelder, G.

2015 Surface source of Coromandel diamonds ( Minas Gerais State) Brazil and their possible origin from the Serra Negra/Salitre Supervolcano.

Neues Jahbuch fur Geologie und Palontologie - Abhandlungen, Vol. 277, 2, pp. 237-250.

South America, Brazil, Minas Gerais

Deposit - Coromandel

&9 D1509-42 Tarduno, J. 2015 An older geomagnetic

field suggests an early start to plate tectonics. (

Physic.org news, Aug. 3, 1p.

Australia

Geophysics - magnetics

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Jack Hills)

&1 D1509-43 Yuryeva, O.P.,

Rakhmanova, M.I., Nadolinny, V.A., Zedgenizov, D.A., Shatsky, V.S., Kagi, H., Komarovskikh, A.Yu.

2015 The characteristic photoluminescence and EPR features of superdeep diamonds ( Sao Luis, Brazil).

Physics Chemistry Minerals, In press available 16p.

South America, Brazil, Mato Grosso

Deposit - Juina area

&2 D1509-44 Spivak, A.,

Solopova, N., Dubrovinsky, L., Litvin, Y.

2015 Melting relations of multicompnent carbonate MgCO3-FeCO3-CaCO3-Na2CO3 system at 12-26 Gpa: application to deeper mantle diamond formation.

Physics Chemistry Minerals, in press available 8p.

Mantle

Melting

&3 D1509-45 Le Losq, C.,

Mysen, B.O., Cody, G.D.

2015 Water and magmas: insights about the water solution mechanisms in alkali silicate melts from infrared, Raman, and 29 Si solid-state NMR spectroscopies.

Progress in Earth and Planetary Science, Vol. 2, 22p.

Mantle

Magmatism

&4 D1509-46 Klein, G. 2015 New theory adds salt

and water to diamond formation recipe. Ekati field

Resource Clips, Aug. 19, 1/2p.

Canada, Northwest Territories

Deposit - Fox

&5 D1509-47 Shatsky, V.S.,

Skuzovatov, S.Yu., Ragozin, A.L., Sobolev, N.V.

2015 Mobility of elements in a continental subduction zone: evidence from the UHP metamorphic complex of the Kokchetav massif.

Russian Geology and Geophysics, Vol. 56, pp. 1016-1034.

Russia

Kokchetav Massif

&6 D1509-48 Krupchatnikov,

V.I., Vrublevskii, V.V., Kruk, N.N.

2015 Early Mesozoic lamproites and monzonitoids of southeastern Gorny Altai: geochemistry, Sr-Nd isotope composition, and sources of melts.

Russian Geology and Geophysics, Vol. 56, pp. 825-843.

Russia

Chuya Complex

&7 D1509-49 Persikov, E.S.,

Bukhtiyarov, P.G., Sokol, A.G.

2015 Change in the viscosity of kimberlite and basaltic magmas during their origin and evolution ( prediction).

Russian Geology and Geophysics, Vol. 56, pp. 885-892.

Russia

Melt - viscosity

&8 D1509-50 Dobretsov, N.L.,

Turkina, O.M. 2015 Early Precambrian

Earth history: plate and Russian Geology and Geophysics, Vol. 56, pp.

Mantle

Subduction

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plume tectonics and extraterrestrial controls.

978-995.

&1 D1509-51 Grocholski, B. 2015 Unlocking Earth's

ancient magnetic past. Science, Vol. 349, 6247, pp. 490-492.

Mantle

Paleomagnetism

&2 D1509-52 Tarduno, J.A.,

Cottrell, R.D., Davis, W.J., Nimmo, F., Bono, R.K.

2015 A Hadean to Paleoarchean geodynamo recorded by single zircon crystals. ( Jack Hills)

Science, Vol. 349, 6247, pp. 521-524.

Mantle

Geodynamo

&3 D1509-53 Cornah, A.,

Machaka, E. 2015 Integration of imprecise

and biased data into mineral resource estimates.

South African Journal of Institute of Mining and metallurgy, Vol. 115, June pp. 523-531.

Global

Resource estimation, kriging not specific to diamonds

&4 D1509-54 Li, H., Zhang,

Z., Ernst, R., Lu, L., Santosh, M., Zhang, D.

2015 Giant radiating mafic dyke swarm of the Emeishan large igneous province: identifying the mantle plume centre.

Terra Nova, Vol. 27, pp. 247-257.

China

Magmatism

&5 D1509-55 Wang, K-L.,

Prikhodko, V., O'Reilly, S.Y., Griffin, W.L., Pearson, N.J., Kovach, V., Lizuka, Y., Chien, Y-H.

2015 Ancient mantle lithosphere beneath the Khanka massif in the Russian Far East: in situ Re-Os evidence.

Terra Nova, Vol. 27, pp. 277-284.

Russia

Khanka Massif

&6 D1509-56 Hainschwang,

T., Notari, F. 2015 The first undisclosed

colourless CVD synthetic diamond discovered in a parcel of natural melee sized diamonds.

The Journal of Gemmology, Vol. 334, 6, pp. 518-522.

Technology

Synthetics

&7 D1509-57 Podvysotski,

V.T., Bashinsli, S.I.

2015 A new data about Cretaceous diamondiferous conglomerates in Juina Province ( Mato Grosso state, Brazil).

Vestnik VGU, Seria Geologia, IN RUSSIAN, No. 2, pp. 73-76.

South America, Brazil, Mato Grosso

Deposit - Juina area

8

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INDUSTRY NEWS (by Source) REF # AUTHOR YEAR TITLE SOURCE REGION/LOCATION KEYWORDS

Page 1 (Industry News) © Sheahan Literature Service. Printed in Canada.

&1 D1509-58 Arctic Star

Exploration Corporation

2015 Arctic Star reports on T-Rex property.

Arctic Star Exploration Corporation, Aug. 5, 4p.

Canada, Northwest Territories

News item - press release

&2 D1509-59 Astro Resources

NL

2015 East Kimberley diamonds project ( near Argyle AK1 pipe). Quarterly update

Astro Resources NL, July 30, 12p.

Australia

News item - press release

&3 D1509-60 Bauer

Foundations Canada Inc.

2015 Bauer Group acquires major project to build cut-off wall for diamond mine in Canada. Diavik

Bauer Foundations Canada Inc., Aug. 1p.

Canada, Northwest Territories

News item - press release

&4 D1509-61 Bloomberg

2015 Want to make a

diamond in just 10 weeks? Use a microwave.

Bloomberg.com, Aug. 27, 2p.

Technology

News item - synthetics

&5 D1509-62 Brazil Minerals,

Inc.

2015 Finishes second phase of geological assessment of new diamond and gold area & completes payment for its RST ownership position.

Brazil Minerals, Inc., Aug. 3, 2p.

South America, Brazil

News item - press release

&6 D1509-63 Canadian

International Minerals Inc.

2015 Acquires Arc diamond project. Southwest of Pikoo field. ( Mountain Province and Consolidated Pine Channel Gold previous worked)

Canadian International Minerals Inc., Aug. 21, 2p.

Canada, Saskatchewan

News item - press release

&7 D1509-64 Creamers

Mining Weekly

2015 Diamond miner De Beers Group has renewed gas and welding company Afrox contract ( Venetia)

Creamers Mining Weekly, Aug. 28, 1/4p.

Africa, South Africa

News item - De Beers

&8 D1509-65 Even-Zhoar, C.

2015 Love and hate on the

rough supply side. Diamond Intelligence Briefing, Vol. 30, no. 860, July 23, 8p.

Global

News item - rough

&9 D1509-66 DiamondCorp

plc.

2015 Lace diamond mine project update. Upper K4 unit.

DiamondCorp plc., July 31, 4p.

Africa, South Africa

News item - press release

&10 D1509-67 Diamonds.net

2015 Botswana diamond

producers cut 1,000 jobs in past year. Mmegi

Diamonds.net, Aug, 13, 1/4p.

Africa, Botswana

News item - cutters

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&1 D1509-68 Diamonds.net

2015 Lucara cuts production

outlook as 2Q revenue, profit plummet. Karowe

Diamonds.net, Aug. 13, 1/4p.

Africa, Botswana

News item - Lucara

&2 D1509-69 Diamonds.net

2015 Weak diamond sales

may fuel Botswana budget deficit.

Diamonds.net, Aug. 18, 1/4p.

Africa, Botswana

News item - sales

&3 D1509-70 Diamonds.net

2015 Lucara finds 336 carat

diamond at Botswana mine. Karowe

Diamonds.net, Aug. 18, 1/4p.

Africa, Botswana

News item - Lucara

&4 D1509-71 Diamonds.net

2015 Namibia diamond

venture pays % 4.6 m dividend to state. NDTC

Diamonds.net, Aug. 19, 1/4p.

Africa, Namibia

News item - NDTC

&5 D1509-72 Diamonds.net

2015 Is diamond demand

determined in Beijing and Washington?

Diamonds.net, Aug. 20, 1/4p.

USA, China

News item - demand

&6 D1509-73 Diamonds.net

2015 Stellar says Tongo to

produce 1 million carats over 18 years.

Diamonds.net, Aug. 24, 1/4p.

Africa, Sierra Leone

News item - Stellar

&7 D1509-74 Diamonds.net

2015 Russia outshines

Botswana as world's top diamond producer in 2014.

Diamonds.net, Aug. 25, 1/4p.

Russia

News item - Alrosa

&8 D1509-75 Diamonds.net

2015 De Beers price cuts

could top 10% at sight. Diamonds.net, Aug. 25, 1/4p.

Global

News item - De Beers

&9 D1509-76 Diamonds.net

2015 Blue diamonds drive

color index higher in 2Q. Fancy Color diamond index ( FCDI tm)

Diamonds.net, Aug. 25, 1/4p.

Global

News item - Blue diamonds

&10 D1509-77 Diamonds.net

2015 De Beers maintains

outlook for season amid market turmoil.

Diamonds.net, Aug. 26, 1/4p.

Global

News item - De Beers

&11 D1509-78 Diamonds.net

2015 Sightholders react to

price cuts at $250M sight…. Mixed reactions.

Diamonds.net, Aug. 27, 1/4p.

Global

News item - De Beers

&12 D1509-79 Diamonds.net

2015 Kao mine large

diamond tender begins in New York.

Diamonds.net, Aug. 3, 1/4p.

Africa, Lesotho

News item - Namakwa, Storm Mountain, Fusion, I Hennig

&13 D1509-80 Diamonds.net

2015 Gem International

Resources seeks stake Diamonds.net, Aug. 3, 1/4p.

Africa, Angola

News item - Gem Diamonds

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in Angola's Dala diamond concession.

&1 D1509-81 Diamonds.net

2015 Ellendale mine worker

accuses Kimberley Diamonds of unsafe practices.

Diamonds.net, Aug. 5, 1/4p.

Australia

News item - Kimberley Diamonds

&2 D1509-82 Diamonds.net

2015 Rio Tinto diamond

revenue -23% to $ 331 million in H1.

Diamonds.net, Aug. 6, 1/4p.

Global

News item - Rio Tinto

&3 D1509-83 Diamonds.net

2015 Unique volcano

diamonds found in Russian Far East. Tolbachik

Diamonds.net, July 27, 1/4p.

Russia, Kamchatka

News item - Tolbachik

&4 D1509-84 Diamonds.net

2015 Lucapa raises $ 3

million for Lulo, postpones rough sale.

Diamonds.net, July 27, 1/4p.

Africa, Angola

News item - Lucapa

&5 D1509-85 Diamonds.net

2015 Zimbabwe to

consolidate Marange miners by end of 2015 ( seven companies)

Diamonds.net, July 29, 1/4p.

Africa, Zimbabwe

News item - Marange

&6 D1509-86 Diamonds.net

2015 Russia weighs

establishing rough diamond exchange.

Diamonds.net, July 29, 1/4p.

Russia

News item - bourse

&7 D1509-87 Diamonds.net

2015 Gem Diamonds 1 H

revenue falls 28%. Diamonds.net, July 30, 1/4p.

Africa, Lesotho, Botswana

News item - Gem Diamonds

&8 D1509-88 Diamonds.net

2015 Fipke joins Dunnedin

Ventures as company advisor. Kahuna

Diamonds.net, July 30, 1/4p.

Canada, Nunavut

News item - Dunnedin

&9 D1509-89 Diamonds.net

2015 Gokhran's rough

auction achieves $ 479 per carat.

Diamonds.net, July 30, 1/4p.

Russia

News item - Gokhran

&10 D1509-90 Diamonds.net

2015 State Diamond Trader

seeks partners for growth.

Diamonds.net, July 31, 1/4p.

Africa, South Africa

News item - State Diamond Trader

&11 D1509-91 DIB

2015 Sierra Leoneons face

depletion of existing alluvial deposits.

DIB Online, Aug. 11, 1/4p.

Africa, Sierra Leone

News item - alluvials

&12 D1509-92 DIB Online

2015 Dominion fiscal Q2

2016 results: diamond sales $ 209.7 million. Ekati and Diavik

DIBOnline.com, Aug. 23, 1/4p.

Canada, Northwest Territories

News item - Dominion

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&1 D1509-93 DIB Online

2015 Large diamond possibly

worth over $ 7 million 'missing' from India's Panna district. ( shallow open pits)

DIBOnline.com, No. 861, Aug. 24, 1/4p.

India

News item - legal

&2 D1509-94 Dominion

Diamond Corporation

2015 Dominion Diamond Corporation fiscal 2016 second quarter sales and production results.

Dominion Diamond Corporation, Aug. 20, 5p.

Canada, Northwest Territories

News item - press release

&3 D1509-95 Embee

Diamonds

2015 Canadian master diamond cutter Mike Botha to craft the Esperanza diamond in Arkansas.

Embee Diamonds, Aug. 27, 1/2p.

USA, Arkansas

News item - Embee

&4 D1509-96 Gem Diamonds

Limited

2015 Trading update and projects Letseng and Ghaghoo performances.

Gem Diamonds Limited, July 30, 3p.

Africa, Lesotho, Botswana

News item - press release

&5 D1509-97 Idex Magazine

2015 A splintering of the

pipeline.. Publicity surrounding the Diamond Producers Association.

Idex Magazine, Aug. pp. 36-45.

Global

News item - pipeline

&6 D1509-98 Idex Magazine

2015 Danger of product

substitution… Idex Magazine, Aug. pp. 46-53.

Technology

News item - Lab grown

&7 D1509-99 Idex Magazine

2015 Lab-grown diamonds

increase bargaining power.

Idex Magazine, Aug. pp. 54-66.

Technology

News item - synthetics

&8 D1509-100

Idex online

2015 Researchers discover 20+ potential diamond deposits in Indian state of Telgana. Mahbubnagar district.

Idex Online, Aug. 11, 1/4p.

India

News item - Telgana

&9 D1509-101

Idex Online

2015 Rio Tinto diamond production +18 % in H1 2015.

Idex Online, Aug. 6, 1/4p. Global

News item - Rio Tinto

&10 D1509-102

Idex Memo

2015 Why duty free is the next big retail arena.

Idex online, Aug. 6, 1p. Global

News item - duty free

&11 D1509-103

Bluedax.com

2015 Rough market report: July sight - is the system bankrupt.

Idex online, July 26, 2p. Global

News item - sights

&12 D1509-104

Idex Memo

2015 De Beers does not feel the love ( commentary

Idex online, July 30, 1p. USA

News item - De Beers

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on Kilalea's report).

&1 D1509-105

Idex Online

2015 The government of Madhya Pradesh is planning to establish a Diamond Park Project in the commercial capital of Indore.

Idexonline.com, Aug. 25, 1/2p.

India, Madhya Pradesh

News item - processing

&2 D1509-106

Idex Online

2015 Alrosa releases 2014 social and environmental report.

Idexonline.com, Aug. 27, 1/4p.

Russia

News item - Alrosa

&3 D1509-107

Ehud Arye Laniado

2015 The booming bear: the story of Russian diamond industry.

[email protected], Aug. 13, 5p.

Russia

News item - history

&4 D1509-108

Ehud Arye Laniado

2015 Is the midstream working for a wage? A call for more profitable midstream for a stronger industry.

[email protected], Aug. 17, 5p.

Global

News item - polishers

&5 D1509-109

Ehud Arye Laniado

2015 Key changes offer bright future for diamond industry.

[email protected], Aug. 24, 3p.

Global

News item - economics

&6 D1509-110

Ehud Arye Laniado

2015 Diamond centers - Dubai profiled.

[email protected], Aug. 26, 4p.

Dubai

News item - Dubai

&7 D1509-111

Ehud Arye Laniado

2015 Not a price correction but a market correction.

[email protected], Aug. 3, 3p.

Global

News item - markets

&8 D1509-112

Ehud Arye Laniado

2015 New York diamond center.

[email protected], Aug. 5, 4p.

USA

News item - history

&9 D1509-113

Ehud Arye Laniado

2015 India where it all began. [email protected], July 29, 3p.

India

News item - history

&10 D1509-114

Kennady Diamonds Inc.

2015 Kennady Diamonds closes C$4 million non-brokered private placement. Kelvin

Kennady Diamonds Inc., Aug. 12, 1p.

Canada, Northwest Territories

News item - press release

&11 D1509-115

Kennady Diamonds Inc.

2015 Provides Kennady North project update and exploration of the MZ kimberlite.

Kennady Diamonds Inc., Aug. 17, 2p.

Canada, Northwest Territories

News item - press release

&12 D1509-116

Kennady Diamonds Inc.

2015 Kennady Diamonds annnounces Kelvin bulk

Kennady Diamonds Inc., Aug. 26, 3p.

Canada,

News item - press release

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sample diamond recovery results.

Northwest Territories

&1 D1509-117

Kennady Diamonds Inc.

2015 Kennady Diamonds announces C$4 M non-brokered private placement. Kelvin

Kennady Diamonds Inc., July 29, 1p.

Canada, Northwest Territories

News item - press release

&2 D1509-118

Kimberley Diamonds Ltd.

2015 Lerala site update. Consulmet have substantially completed the upgrade.

Kimberley Diamonds Ltd., Aug. 24, 1p.

Africa, Botswana

News item - press release

&3 D1509-119

Lemarne Corporation Limited

2015 Signed two non-binding heads of agreement with Central Kimberley Diamonds ( CKD) and Unique Sapphires Pty. Ltd. ( an interest in Palmietfontein diamond project.

Lemarne Corporation Limited, Aug. 18, 3p.

Africa, South Africa

News item - press release

&4 D1509-120

Lucapa Diamond Company Limited

2015 More large diamonds at Lulo.

Lucapa Diamond Company Limited, Aug. 18, 4p.

Africa, Angola

News item - press release

&5 D1509-121

Lucapa Diamond Company Limited

2015 Diamond mining licence expanded at Lulo.

Lucapa Diamond Company Limited, Aug. 6, 3p.

Africa, Angola

News item - press release

&6 D1509-122

Lucara Diamond Corporation

2015 Lucara reports strong Q2 performance and updates on the plant optimization project. Karowe

Lucara Diamond Corporation, Aug. 11, 3p.

Africa, Botswana

News item - press release

&7 D1509-123

Lucara Diamond Corporation

2015 Lucara reports ongoing recovery of exceptional diamonds. Karowe 336, 184, 94, 86 carats stones.

Lucara Diamond Corporation, Aug. 17, 2p.

Africa, Botswana

News item - press release

&8 D1509-124

Macauhub

2015 Diamond sales increase by 35% in Angola. Tchiuzo, Luaxe, Kimangue

Macauhub.com, Aug. 3, 1/4p.

Africa, Angola

News item - production

&9 D1509-125

Merlin Diamonds Limited

2015 Merlin diamond project .. Mechanical clamshell grab mining ( barge).

Merlin Diamonds Limited, July 30, 14p.

Australia

News item - press release

&10

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D1509-126

Meteoric Resources NL

2015 Webb project update Quarterly report.

Meteoric Resources NL, July 30, 9p.

Australia

News item - press release

&1 D1509-127

Mineweb

2015 Creditors confident as Zimbabwe consolidates Marange diamond fields.

Mineweb.com, Aug. 2, 1p.

Africa, Zimbabwe

News item - Gye Nyame

&2 D1509-128

Miningmx

2015 Gemfields dancing a merry jig.

Miningmx.com, July 30, 1p.

Africa, Zambia

News item - Gemfields

&3 D1509-129

Monax Mining Limited

2015 Quarterly report … Margaret Dam tenement update p. 6.

Monax Mining Limited, July 30, 16p.

Australia

News item - press release

&4 D1509-130

Newfield Resources Limited

2015 Sierra Leone diamond projects.. Golu

Newfield Resources Limited, July 31, 34p.

Africa, Sierra Leone

News item - press release

&5 D1509-131

Pangolin Diamonds Corporation

2015 Pangolin receives positive results from ground penetrating at Malatswae diamond project, Botswana.

Pangolin Diamonds Corporation, Aug. 12, 3p.

Africa, Botswana

News item - press release

&6 D1509-132

Pangolin Diamonds Corporation

2015 Update for the Botswana exploration projects - DMS plant and soil sampling. Malatsawe, Rehobeth, Jwaneng South, Machaneng South projects.

Pangolin Diamonds Corporation, July 29, 2p.

Africa, Botswana

News item - press release

&7 D1509-133

Peregrine Diamonds Limited

2015 Peregrine Diamonds may benefit from new Iqaluit port.

Peregrine Diamonds Limited, July 31, 1p.

Canada, Nunavut

News item - press release

&8 D1509-134

Kilalea, D.

2015 Lucara Diamond Corporation.Good Q2 revenue drives a beat in H1. Karowe

RBC Capital Markets, Aug. 12, 4p.

Africa, Botswana

News item - Lucara

&9 D1509-135

Kilalea, D.

2015 Lucara Diamond Corporation. Lower sales guidance impacts on rating. Karowe

RBC Capital Markets, Aug. 13, 7p.

Africa, Botswana

News item - Lucara

&10 D1509-136

Kilalea, D.

2015 Lucara Diamond Corp. Another bounty of sparkling nuggets. Karowe

RBC Capital Markets, Aug. 18, 4p.

Africa, Botswana

News item - Lucara

&11

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D1509-137

Kilalea, D.

2015 Stornoway Diamond Corp. On track and getting closer to production. Renard

RBC Capital Markets, Aug. 19, 11p.

Canada, Quebec

News item - Stornoway

&1 D1509-138

Kilalea, D.

2015 Gem Diamonds Limited H1 results a beat driven by costs. Letseng Ghaghoo

RBC Capital Markets, Aug. 19, 2p.

Africa, Lesotho, Botswana

News item - Gem Diamonds

&2 D1509-139

Kilalea, D.

2015 Gem Diamonds Limited Waiting on Ghaghoo.

RBC Capital Markets, Aug. 20, 5p.

Africa, Botswana

News item - Gem Diamonds

&3 D1509-140

Kilalea, D.

2015 Dominion Diamond Corporation. Ekati plant changes start delivering. Our view: a good quarter from an efficiency perspective, we expect more to come.

RBC Capital Markets, Aug. 21, 5p.

Canada, Northwest Territories

News item - Dominion

&4 D1509-141

Kilalea, D.

2015 Anglo American plc. De Beers reported to have lowered prices 7-10%.

RBC Capital Markets, Aug. 24, 4p.

Global

News item - De Beers

&5 D1509-142

Kilalea, D.

2015 Kimberley data show price weakness for 2014; this year should fall more.

RBC Capital Markets, Aug. 25, 5p.

Global

News item - prices

&6 D1509-143

Kilalea, D.

2015 Anglo American plc. Dark side of the moon. Challenges.

RBC Capital Markets, Aug. 4, 16p.

Global

News item - Anglo

&7 D1509-144

Shore Gold Inc.

2015 Announces second quarter results. Completion of LDD on Orion South kimberlite; private placement.

Shore Gold Inc., Aug. 13, 3p.

Canada, Saskatchewan

News item - press release

&8 D1509-145

Stellar Diamonds plc.

2015 Issue of convertible loan note , warrants and proposed capital re-organization, director's loan. Baoule and Tongo Dyke-1.

Stellar Diamonds plc., Aug. 14, 1p.

Africa, Guinea

News item - press release

&9 D1509-146

Stellar Diamonds plc.

2015 Positive PEA on Tongo project and mining licence application, Sierra Leone.

Stellar Diamonds plc., Aug. 24, 3p.

Africa, Sierra Leone

News item - press release

&10 D1509-147

Strike Diamond Corporation

2015 Strike Diamond Corp. terminates proposed transaction with Wildcat Exploration Ltd.

Strike Diamond Corporation, Aug. 28, 1p.

Canada, Saskatchewan

News item - press release

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&1 D1509-148

Tango Mining Limited

2015 Tango annnounces resource estimate for BK11 kimberlite diamond mine, Botswana.

Tango Mining Limited, Aug. 24, 3p.

Africa, Botswana

News item - press release

&2 D1509-149

Tango Mining Limited

2015 Oena operational update and diamond sales. Orange River alluvials.

Tango Mining Limited, Aug. 5, 1p.

Africa, South Africa

News item - press release

&3 D1509-150

The Siberian Times

2015 Russia reveals 'unique diamonds' created by gases and lightning from volcanic eruption.

The Siberian Times, July 27, 10p.

Russia, Kamchatka

News item - Tolbachik

&4 D1509-151

The Washington Post

2015 The dangerous search for emeralds in Colombia. After taking over a major mine, a U.S. Company ( MTC) has met with violence.

The Washington Post, reprint Republicofmining.com, Aug. 9, 8p.

South America, Colombia

News item - emeralds

&5 D1509-152

The West Australian

2015 Precious little left to salvage. ( Ellendale - details of Goodrich Resources )

The West Australian Newspaper, July 11-12, p. 99.

Australia

News item - Kimberley Diamonds

&6 D1509-153

The West Australian

2015 ASIC probes Kimberley after Ellendale collapse. ( Owed to staff… )

The West Australian Newspaper, July 16, p. 46.

Australia

News item - Kimberley Diamonds

&7 D1509-154

The West Australian

2015 Late KDL payments irk DMP.

The West Australian Newspaper, July 4-5, p. 101.

Australia

News item - Kimberley Diamonds

&8 D1509-155

The West Australian

2015 Taxpayers take Kimberley Diamonds' Ellendale hit.

The West Australian Newspaper, July 4, 1p.

Australia

News item - Kimberley Diamonds

&9 D1509-156

The West Australian

2015 KDL offer to retake Ellendale.

The West Australian Newspaper, July 8, 1/2p.

Australia

News item - Kimberley Diamonds

&10 D1509-157

The West Australian

2015 Ellendale assets go ahead of collapse.

The West Australian Newspaper, July 8, 1/2p.

Australia

News item - Kimberley Diamonds

&11 D1509-158

The West Australian

2015 Marmion enters Ellendale fray. ( Mines Minister DMP)

The West Australian Newspaper, July, 13, p. 56.

Australia

News item - Kimberley Diamonds

&12 D1509-159

Time Magazine

2015 Blood Diamonds …. Congolese miners working one of the thousands of artisanal mines that cover the

Time Magazine, Aug. 18p.

Africa, Democratic Republic of Congo

News item - history

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country.

&1 D1509-160

True North Gems Inc.

2015 True North Gems secures US$ 4 million in financing for the Aappaluttoq ruby project in SW Greenland.

True North Gems Inc., Aug. 26, 2p.

Europe, Greenland

News item - press release

&2 D1509-161

Tsodilo Resources Limited

2015 Tsodilo Resources closes private placement financing.

Tsodilo Resources Limited, Aug. 10, 1p.

Africa, Botswana

News item - press release

&3 D1509-162

Tsodilo Resources Limited

2015 Announces non-brokered private placement ( project Gcwihaba Resources ).

Tsodilo Resources Limited, Aug. 5, 1p.

Africa, Botswana

News item - press release

&4 D1509-163

The Israeli Diamond Industry

2015 De Beers: medium to long term outlook for diamonds extremely positive.

www.israeildiamond.co.il, Aug. 11, 1/4p.

Global

News item - De Beers

&5 D1509-164

The Israeli Diamond Industry

2015 Lucapa recovers 5 large special diamonds at Lulo. BLK-08

www.israeildiamond.co.il, Aug. 20, 1/4p.

Africa, Angola

News item - Lucapa

&6 D1509-165

The Israeli Diamond Industry

2015 We didn’t see, we didn’t hear. We just talked. Presidents meeting.

www.israeildiamond.co.il, Aug. 3, 2p.

Europe, Israel

News item - industry

&7 D1509-166

Rough-polished

2015 Gemfields eyes 30% market share in India.

www.rough-polished.com, Aug. 10, 1/4p.

India

News item - Gemfields

&8 D1509-167

Rough-polished

2015 Our business is built on trust and confidence is critical.

www.rough-polished.com, Aug. 10, 1/4p.

Global

News item - legal

&9 D1509-168

Rough-polished

2015 Severalmaz reduces loss under RAS 2,4 times.

www.rough-polished.com, Aug. 11, 1/4p.

Russia

News item - Alrosa

&10 D1509-169

Rough-polished

2015 Angola imposes moratorium on issuing mining licences.

www.rough-polished.com, Aug. 11, 1/4p.

Africa, Angola

News item - legal

&11 D1509-170

Rough-polished

2015 Angola extends Lulo diamond mining concession.

www.rough-polished.com, Aug. 11, 1/4p.

Africa, Angola

News item - Lucapa

&12 D1509-171

Rough-polished

2015 Sarine's revenue declines significantly in Q2 2015 year on year

www.rough-polished.com, Aug. 11, 1/4p.

Technology

News item - Sarine

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on the back of challenging industry conditions.

&1 D1509-172

Rough-polished

2015 The new diamond capital… India.

www.rough-polished.com, Aug. 11, 1/4p.

India

News item - Polishing

&2 D1509-173

Rough-polished

2015 Telangana sitting on a bed of diamonds.

www.rough-polished.com, Aug. 12, 1/4p.

India

News item - Mahbubnagar

&3 D1509-174

Rough-polished

2015 Zim establishes diamond cleaning facility.

www.rough-polished.com, Aug. 12, 1/4p.

Africa, Zimbabwe

News item - laboratory

&4 D1509-175

Rough-polished

2015 Morgan Stanley kept the recommendation to buy Alrosa's shares.

www.rough-polished.com, Aug. 12, 1/4p.

Russia

News item - Alrosa

&5 D1509-176

Rough-polished

2015 Lucara Q2 revenue up to $ 38m, completes Botswana plant optimisation project. Karowe

www.rough-polished.com, Aug. 13, 1/4p.

Africa, Botswana

News item - Lucara

&6 D1509-177

Rough-polished

2015 Sierra Leone alluvial diamond deposits exhausted.

www.rough-polished.com, Aug. 14, 1/4p.

Africa, Sierra Leone

News item - alluvials

&7 D1509-178

Rough-polished

2015 De Beers granted new licences in Botswana, SA.

www.rough-polished.com, Aug. 17, 1/4p.

Africa, Botswana

News item - De Beers

&8 D1509-179

Rough-polished

2015 Anglo switch an emblem of industry in reverse.

www.rough-polished.com, Aug. 17, 1/4p.

Global

News item - Anglo

&9 D1509-180

Rough-polished

2015 Pangolin optomistic of finding diamonds in Botswana. Profile by Leon Daniels on Malatswae project.

www.rough-polished.com, Aug. 17, 1p.

Africa, Botswana

News item - Pangolin.

&10 D1509-181

Rough-polished

2015 India's diamond market events in July 2015.

www.rough-polished.com, Aug. 17, 1p.

India

News item - markets

&11 D1509-182

Rough-polished

2015 Botswana seen facing budget deficit as diamond sales fall.

www.rough-polished.com, Aug. 18, 1/4p.

Africa, Botswana

News item - legal

&12 D1509-183

Rough-polished

2015 In Antwerp there are only 500 diamond cutters left.

www.rough-polished.com, Aug. 18, 1/4p.

Europe, Belgium

News item - cutters

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D1509-184

Rough-polished

2015 Carnage in diamond cutting industry.

www.rough-polished.com, Aug. 18, 1/4p.

Global

News item - cutters

&1 D1509-185

Rough-polished

2015 Stornoway will begin full-scale production at the Renard mine in mid 2017.

www.rough-polished.com, Aug. 19, 1/4p.

Canada, Quebec

News item - Stornoway

&2 D1509-186

Rough-polished

2015 Stellar raises $ 300 k for group working capital. Baoue

www.rough-polished.com, Aug. 19, 1/4p.

Africa, Guinea

News item - Stellar

&3 D1509-187

Rough-polished

2015 GSI in Surat begins to bulk batch testing of Stars and Melees.

www.rough-polished.com, Aug. 20, 1/4p.

India

News item - GSI

&4 D1509-188

Rough-polished

2015 Zimbabwe projects drop in mining production as reserves decline.

www.rough-polished.com, Aug. 20, 1/4p.

Africa, Zimbabwe

News item - Marange

&5 D1509-189

Rough-polished

2015 Diamond firm slapped with UN sanctions for CAR illegal trading. Kardiam ( Badica).

www.rough-polished.com, Aug. 24, 1/4p.

Africa, Central African Republic

News item - Kardiam

&6 D1509-190

Rough-polished

2015 Soft diamond prices force Botswana to cut growth to 2.5%.

www.rough-polished.com, Aug. 24, 1/4p.

Africa, Botswana

News item - prices

&7 D1509-191

Rough-polished

2015 De Beers program distributes books to communities near Snap Lake and Victor.

www.rough-polished.com, Aug. 24, 1/4p.

Canada, Northwest Territories, Ontario

News item - CSR

&8 D1509-192

Rough-polished

2015 Alrosa reduced diamond sale in August, but did not amend prices.

www.rough-polished.com, Aug. 27, 1/4p.

Russia

News item - Alrosa

&9 D1509-193

Rough-polished

2015 Kimberley remains on track for Lerala production start next Feb.

www.rough-polished.com, Aug. 27, 1/4p.

Africa, Botswana

News item - Kimberley Diamonds

&10 D1509-194

Rough-polished

2015 Diamond sales at Mwana's SA mine drop. Klipspringer

www.rough-polished.com, Aug. 27, 1/4p.

Africa, South Africa

News item - Mwana

&11 D1509-195

Rough-polished

2015 KP to brief UN on decision to allow CAR resume diamond exports in compliant zones.

www.rough-polished.com, Aug. 3, 1/4p.

Africa, Central African Republic

News item - KP

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D1509-196

Rough-polished

2015 DiamondCorp frustrated by kimberlite development at Lace.

www.rough-polished.com, Aug. 4, 1/4p.

Africa, South Africa

News item - DiamondCorp

&1 D1509-197

Rough-polished

2015 Mwana Africa restarts SA underground mining . Klipspringer

www.rough-polished.com, Aug. 4, 1/4p.

Africa, South Africa

News item - Mwana

&2 D1509-198

Rough-polished

2015 Gye Nyame creditors seek to restart defunct mine despite Zim diamond mines consolidation plans. Marange

www.rough-polished.com, Aug. 4, 1/4p.

Africa, Zimbabwe

News item - Gye Nyame

&3 D1509-199

Rough-polished

2015 Angola's H1 diamond sales up 35% to $ 573m.

www.rough-polished.com, Aug. 5, 1/4p.

Africa, Angola

News item - Endiama

&4 D1509-200

Rough-polished

2015 Blue Star to offer 200 lots in polished diamond tender.

www.rough-polished.com, Aug. 5, 1/4p.

Global

News item - Blue Star

&5 D1509-201

Rough-polished

2015 GIA bars Indian company for fraudulent report inscription.

www.rough-polished.com, Aug. 5, 1/4p.

India

News item - Cristy Gems

&6 D1509-202

Rough-polished

2015 Diamond prices, sentiment slump in July.

www.rough-polished.com, Aug. 6, 1/4p.

Global

News item - prices

&7 D1509-203

Rough-polished

2015 Namibia aiming for Botswana style diamond deal with De Beers.

www.rough-polished.com, Aug. 9, 1/4p.

Africa, Namibia

News item - Debswana

&8 D1509-204

Rough-polished

2015 Alrosa announces a $ 85 mln bank loan repayment.

www.rough-polished.com, July 29, 1/4p.

Russia

News item - Alrosa

&9 D1509-205

Rough-polished

2015 De Beers says buyers can defer up to 75% of allocated rough at August sight.

www.rough-polished.com, July 29, 1/4p.

Global

News item - De Beers

&10 D1509-206

Rough-polished

2015 Petra boosts diamond output. Wiliamson

www.rough-polished.com, July 31, 1/4p.

Africa, Tanzania

News item - Petra

&11 D1509-207

Rough-polished

2015 British MP: the Kohinoor diamond should be returned to India.

www.rough-polished.com, July 31, 1/4p.

India

News item - diamonds notable

&12 D1509-208

Zimtu Capital Corporation

2015 Commences exploration program at the Munn

Zimtu Capital Corporation, Aug. 25, 3p.

Canada,

News item - press release