National National Geofund and GeologyGeofund and Geology

(NGG)(NGG)

National GeofundNational Geofund

Geological data collected in the last 50 years

More than 7000 reports covering all aspects of

geological activities

In charge of disclosure of unpublished information to another organizations under established rules.

National GeofundNational Geofund

Two ways to find reports of interest

• In “GeoArchive” DB

• Using graphical interface for the areas in which geological works have been done

National GeofundNational Geofund

Geological Map of BulgariaGeological Map of BulgariaScale 1: 500 000Scale 1: 500 000

• Published in 1989

• 2 flat coloured sheets covered all territory of Bulgaria

• Bulgarian-English edition

• Digital model available (MapInfo)

The map is compiled on the base of the Geological map of Bulgaria scale 1:100 000

and available data of the National Geofund

Digital MapDigital Map

Digital MapDigital Map Fragment of 1:500000 map in real scale

Geological Map of BulgariaGeological Map of Bulgaria Scale 1:100 000Scale 1:100 000

• Published Map Series

•86 coloured flat sheets, covered all the country

•Bulgarian or English edition

•Available in digital form (MapInfo)

Digital MapsDigital Maps

Digital Map, exampleDigital Map, example

Geological Map of BulgariaGeological Map of Bulgaria Scale 1:25 000Scale 1:25 000

• Unpublished map series

• Standard indexed map sheets, covered mineral potential areas

• Reports are available • Some of map sheets are available in digital form (MapInfo)

• The results from new field geological mapping program are produced directly in digital form and printed

• Only Bulgarian edition available.

Digital MapsDigital Maps

Digital Maps, example.Digital Maps, example.

Geological Data SetsGeological Data Sets

Geological Maps, Scale - 1:500 000,1:100 000,1:25 000

GIS format - different layers of information:– Geological boundaries– Stratigraphy– Lithology– Tectonics– Rivers– Infrastructure - towns, roads, railway

Geomorphologic Map of BulgariaGeomorphologic Map of BulgariaScale 1:100 000

• Unpublished map series

• Map sheets correspond to geological map in scale 1:100 000.

Geochemical Map of BulgariaGeochemical Map of Bulgaria

Scale 1:100 000Scale 1:100 000• Unpublished series, presents point-source geochemical data • The point data have been gridded to create colour classified digital maps.

Gravity Map of BulgariaGravity Map of BulgariaScale 1:100 000Scale 1:100 000

• Unpublished map series• Bouguer anomaly contours and location of observations

Digital MapsDigital Maps

Magnetic Map of BulgariaMagnetic Map of BulgariaScale 1:100 000Scale 1:100 000

• Unpublished map series

• Ground magnetic anomaly contours and location of digitised data points.

Map of Mineral Deposits of Bulgaria, Scale 1:100 000Map of Mineral Deposits of Bulgaria, Scale 1:100 000

Unpublished map series, consists of point objects that represent location of mineral deposits, occurrence and indication.

GeoarchiveGeoarchive

Data set in Bulgarian language about all the reports available in National Geofund with the key words for searching

Oil and Gas WellsOil and Gas Wells Data set for all oil and gas wells drilled on the territory of Bulgaria, onshore

and offshore

Seismic Lines in BulgariaSeismic Lines in Bulgaria Data set consists of information from seismic surveys, onshore and offshore.

Example of interpretation using information from seismic survey, Example of interpretation using information from seismic survey, wells and well logs.wells and well logs.

Aeromagnetic and Gamma Ray Spectrometer DataAeromagnetic and Gamma Ray Spectrometer Data

• Regional aero data• Location of digitised data points along flight lines and calculated

values of magnetic field and U,Th, K

Exploration Drillholes and Mining WorkingsExploration Drillholes and Mining Workings Data set consists of information from drillholes and mining workings of mineral exploration programs.

National Balance of Reserves and ResourcesNational Balance of Reserves and ResourcesThe data set consists of reserves and resources of all metallic, industrial minerals, oil and gas, coal deposits in Bulgaria.

Tectonic Map of Bulgaria

Scale 1:500 000

Published map

2 sheets

Bulgarian-English Edition, 1976.

Digital MapDigital MapMagnetic Map of Bulgaria, 1:500000.

Contour map of Za(nT), produced from grid 5x5km

Geological Data SetsGeological Data Sets

Metallogenic Map of Bulgaria, 1:1000000.

Published 1coloured map sheet, English edition, 1989

Map of Delimited Areas of Gold Deposits in Bulgaria.

Computer map, produced from digitised series of maps of scale ranging from 1:1000 to 1:25000.

Map of Uranium Mineralization in Bulgaria.

Computer Map with uranium deposits, occurrences and radioactive anomalies, digitised from maps of scale 1:200000.

Geological Data SetsGeological Data Sets

Physical properties of the Rocks.

Data set containing information for rock samples-coordinates, type of rock, geologic end tectonic position and major physical properties. Currently updated.

Pan sampling data.

Data set contains information about position of pan samples and quality and quantity of minerals. Currently updated.

Contents of gold grains in pan samplesContents of gold grains in pan samples

Geological Data SetsGeological Data Sets

Geological Study Areas in Bulgaria

Computer maps of the areas in which geological works have been done.

Register and Cadastre of Prospecting and/or Exploration Permits

Register and Cadastre of permits for prospecting and/or exploration of underground resources issued by the state authorities according UNDERGROUND RESOURCES ACT.

Specialised Cadastre of Deposits and Register of Discoveries

Data set contains maps of mineral deposits and information about the discoveries of underground resources made as a result of geological research.

Geological Data SetsGeological Data Sets

Map of the Geological Hazards in Bulgaria, 1:500000.

Published Map accompanying with explanatory text in booklet, 1 folded colour sheet, Bulgarian-English edition, 1994

Groundwater Monitoring Design for Bulgaria, 1:1000000

Computer map for Groundwater Monitoring Design on the base of Geological Map 1:500000.

Map of Underground Waters, 1:500000.

Unpublished map, paper copy.

Map of Mineral Waters in Bulgaria, 1:500000.

Unpublished map, paper copy.

Geological Data SetsGeological Data SetsHydrogeological Map of Bulgaria, 1:200000.

Published Atlas containing 28 coloured map sheets and 16 hydrogeological sections.

Map of Resources of Underground Waters in Bulgaria, 1:200000.

Published Atlas containing 28 coloured map sheets.

Map of River System in Bulgaria, 1:25000.

Digital map sheets produced from topographic maps.

Protected Caves in Bulgaria.

Data set contains information about 113 protected caves with maps of caves and protected areas.