MAGNETIC DEPTHS of the NORTHERN TERRITORY
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400 500 1500-1600 > 3000 _ NTGS surveys 250 300 150 200 Younger basins Central Australian platform cover North Australian platform cover Orogenic domains Archaean basement inliers MURPHY INLIER LAWN HILL PLATFORM ARAFURA BASIN DALY BASIN PINE CREEK OROGEN MONEY SHOAL BASIN DAVENPORT PROVINCE TENNANT REGION CARPENTARIA BASIN ARNHEM INLIER BONAPARTE BASIN ORD BASIN VICTORIA- BIRRINDUDU BASIN WISO BASIN McARTHUR BASIN CARPENTARIA BASIN DUNMARRA BASIN IRINDINA PROVINCE NGALIA BASIN ARUNTA REGION WARRAMUNGA PROVINCE TANAMI REGION AMADEUS BASIN EROMANGA BASIN CANNING BASIN WARUMPI PROVINCE MURRABA BASIN PEDIRKA BASIN SOUTH NICHOLSON BASIN GEORGINA BASIN HALLS CREEK OROGEN VICTORIA- BIRRINDUDU BASIN WOLFE CREEK BASIN MUSGRAVE PROVINCE AMADEUS BASIN AMADEUS BASIN EROMANGA BASIN MURRABA BASIN AILERON PROVINCE AILERON PROVINCE AILERON PROVINCE TOMKINSON CREEK PROVINCE AILERON PROVINCE SIR EDWARD PELLEW GROUP MARIA ISLAND GROOTE EYLANDT GULF OF CARPENTARIA CAPE DON MELVILLE ISLAND BATHURST ISLAND TIMOR SEA VAN DIEMEN GULF BEAGLE GULF JOSEPH BONAPARTE GULF ARAFURA SEA PERON ISLANDS WESSEL ISLANDS WESTERN AUSTRALIA QUEENSLAND NEW SOUTH WALES TASMANIA VICTORIA AUSTRALIA NORTHERN TERRITORY SOUTH AUSTRALIA KATHERINE Jabiru ALICE SPRINGS TENNANT CREEK Yulara DARWIN Nhulunbuy JUNCTION BAY FOG BAY DARWIN MILINGIMBI TRUANT ISLAND GOVE PORT LANGDON PINE CREEK CAPE SCOTT PORT KEATS KATHERINE URAPUNGA ROPER RIVER PELLEW MOUNT YOUNG LARRIMAH DELAMERE AUVERGNE WATERLOO DALY WATERS TANUMBIRINI ROBINSON RIVER WALLHALLOW CALVERT HILLS BEETALOO HELEN SPRINGS LIMBUNYA BIRRINDUDU TANAMI TANAMI EAST TENNANT CREEK LANDER RIVER MOUNT PEAKE BARROW CREEK ALROY FREW RIVER RANKEN AVON DOWNS ELKEDRA TOBERMOREY HUCKITTA HAY RIVER ALCOOTA ALICE SPRINGS NAPPERBY HERMANNSBURG LAKE AMADEUS HENBURY RODINGA AYERS ROCK KULGERA FINKE MOUNT THEO MOUNT DOREEN LAKE MACKAY MOUNT RENNIE BLOODS RANGE MOUNT LIEBIG HALE RIVER McDILLS WAVE HILL BONNEY WELL BLUE MUD BAY MOUNT EVELYN BATHURST ISLAND ARNHEM BAY MELVILLE ISLAND COBOURG PENINSULA ALLIGATOR RIVER WESSEL ISLANDS CAPE BEATRICE MOUNT MARUMBA FERGUSSON RIVER HODGSON DOWNS VICTORIA RIVER DOWNS BAUHINIA DOWNS NEWCASTLE WATERS BRUNETTE DOWNS MOUNT DRUMMOND WINNECKE CREEK SOUTH LAKE WOODS GREEN SWAMP WELL MOUNT SOLITAIRE SANDOVER RIVER THE GRANITES HIGHLAND ROCKS ILLOGWA CREEK PETERMANN RANGES SIMPSON DESERT NORTH SIMPSON DESERT SOUTH 0 100 200 300 400 500 km SCALE 1:2 500 000 132°E 132°E 135°E 135°E 129°E 129°E 138°E 138°E 24°S 24°S 21°S 21°S 18°S 18°S 15°S 15°S 12°S 12°S 26°S 26°S SOUTH AUSTRALIA Q U E E N S L A N D W E S T E R N A U S T R A L I A GEOLOGICAL REGIONS 0 100 200 300 400 500 km 0 100 200 300 400 500 km SYMBOLS Main road.......................................... Secondary road................................. Railway.............................................. Albers Equal Area Projection Central Meridian 133°30' EAST Standard Parallels 13°30' and 23°30' SOUTH Geocentric Datum of Australia 1994 (GDA94) WARNING: Colours will fade with prolonged exposure to light SIMPSON DESERT SOUTH 1:250 000 geological map sheet....... Watercourse...................................... Central Australian Platform Cover North Australian Platform Cover Archaean Basement Inliers Orogenic Domains Younger basins MAGNETIC DEPTHS of the NORTHERN TERRITORY 250 km 50 0 50 100 150 200 BOUGUER GRAVITY AIRBORNE SURVEY SPECIFICATIONS 0 100 200 300 400 500 km 400 500 1500-1600 > 3000 _ NTGS surveys 250 300 200 _ NTGS surveys 150 Airborne Survey Flight Line Spacing (m) Vertical derivative of Bouguer anomaly. Palaeoproterozoic orogenic domains (>1.8 Ga) form the basement to the North Australian Craton (Pine Creek Orogen, Tanami and northern Arunta regions, Warramunga Province, and Murphy and Arnhem inliers). They include remnants of Archaean rocks (>2.5 Ga). Palaeo- to Mesoproterozoic (1.8 - 1.4 Ga) sedimentary platform covers include the McArthur, South Nicholson and Victoria-Birrindudu basins and the Tomkinson Creek and Davenport provinces of the Tennant Region. To the south, the rocks of the North Australian Craton pass into the Central Australian mobile belts (Warumpi, Irindina and Musgrave provinces). 0.2 0.5 1 2 5 10 20 km Depth of a dipole Ian Scrimgeour, Director, Northern Territory Geological Survey MAGNETIC DEPTHS of the NORTHERN TERRITORY 2008 edition O c NORTHERN TERRITORY GOVERNMENT, 2008 Compiled: R Clifton 2008 A vertical derivative of the NT TMI stitch was reduced to pole normally, seen here in red. A further reduction to pole with constant 040° inclination and 090° declination is shown in green. The resulting stereogram needs red-green glasses for full effect. Where red and green light are equal in superposition, the eye perceives yellow. Cartography: IM Burgan Produced by the Northern Territory Geological Survey, Department of Primary Industry, Fisheries and Mines, Darwin, Australia. Issued under the authority of the Minister for Mines and Energy, Mr CHRIS NATT MLA. This map is available from Minerals and Energy Information Centre, 3rd Floor Centrepoint Building, Darwin. Phone (61) 8 89996443, Fax (61) 8 89995221, Email [email protected]. The recommended reference for this map is: Clifton R, 2008. Magnetic Depths of the Northern Territory, 1:2 500 000 scale. Northern Territory Geological Survey, Darwin. The quality of the data used to construct the magnetic depths image is a function of the flight line spacing, along line sampling, flying height and positional accuracy. Surveys undertaken with a flight line spacing of 500 m or less were flown at an altitude of 60 - 100 m above ground level. Surveys which employed a flight line spacing in excess of 500 m were flown at an altitude of 150 - 400 m.
Transcript of MAGNETIC DEPTHS of the NORTHERN TERRITORY
400
500
1500-1600
> 3000_
NTGS surveys
250
300
150
200
Younger basins Central Australianplatform cover
North Australianplatform cover Orogenic domains Archaean basement
inliers
MURPHYINLIER
LAWN HILLPLATFORM
ARAFURABASIN
DALYBASIN
PINE CREEKOROGEN
MONEY SHOALBASIN
DAVENPORTPROVINCE
TENNANT
REGION
CARPENTARIABASIN
ARNHEMINLIER
BONAPARTEBASIN
ORDBASIN
VICTORIA-BIRRINDUDU
BASIN
WISO BASIN
McARTHUR BASIN
CARPENTARIABASIN
DUNMARRABASIN
IRINDINAPROVINCE
NGALIA BASIN
ARUNTA
REGION
WARRAMUNGAPROVINCE
TANAMI
REGION
AMADEUS BASINEROMANGA BASIN
CANNING BASIN
WARUMPI PROVINCE
MURRABA BASIN
PEDIRKA BASIN
SOUTHNICHOLSON
BASIN
GEORGINA BASIN
HALLSCREEK
OROGEN
VICTORIA-BIRRINDUDU
BASIN
WOLFE CREEKBASIN
MUSGRAVE PROVINCE
AMADEUS BASIN
AMADEUS BASIN
EROMANGA BASIN
MURRABA BASIN
AILERON PROVINCE
AILERON PROVINCE
AILERON PROVINCE
TOMKINSONCREEK
PROVINCE
AILERON PROVINCE
SIR EDWARD PELLEW GROUP
MARIAISLAND
GROOTEEYLANDT
GULF
OF
CARPENTARIA
CAPEDON
MELVILLEISLAND
BATHURSTISLAND
TIMOR
SEAVAN DIEMEN GULF
BEAGLE
GULF
JOSEPH
BONAPARTE
GULF
ARAFURA SEA
PERON ISLANDS
WESSEL ISLANDS
WESTERN AUSTRALIA
QUEENSLAND
NEW SOUTH WALES
TASMANIA
VICTORIA
A U S T R A L I A
NORTHERNTERRITORY
SOUTH AUSTRALIA
KATHERINE
Jabiru
ALICE SPRINGS
TENNANT CREEK
Yulara
DARWIN
Nhulunbuy
JUNCTION BAY
FOG BAY DARWIN MILINGIMBI
TRUANT ISLAND
GOVE
PORT LANGDONPINE CREEKCAPE SCOTT
PORT KEATSKATHERINE URAPUNGA ROPER RIVER
PELLEWMOUNT YOUNGLARRIMAHDELAMEREAUVERGNE
WATERLOODALY WATERS TANUMBIRINI ROBINSON RIVER
WALLHALLOW CALVERT HILLSBEETALOO
HELEN SPRINGS
LIMBUNYA
BIRRINDUDU
TANAMI TANAMI EAST TENNANT CREEK
LANDER RIVER
MOUNT PEAKE BARROW CREEK
ALROY
FREW RIVER
RANKEN
AVON DOWNS
ELKEDRA
TOBERMOREYHUCKITTA
HAY RIVER
ALCOOTA
ALICE SPRINGS
NAPPERBY
HERMANNSBURG
LAKE AMADEUS HENBURY RODINGA
AYERS ROCK KULGERA FINKE
MOUNT THEO
MOUNT DOREENLAKE MACKAY
MOUNT RENNIE
BLOODS RANGE
MOUNT LIEBIG
HALE RIVER
McDILLS
WAVE HILL
BONNEY WELL
BLUE MUD BAYMOUNT EVELYN
BATHURST ISLAND
ARNHEM BAY
MELVILLE ISLAND COBOURG PENINSULA
ALLIGATOR RIVER
WESSEL ISLANDS
CAPE BEATRICE
MOUNT MARUMBA
FERGUSSON RIVER
HODGSON DOWNS
VICTORIA RIVER DOWNS BAUHINIA DOWNS
NEWCASTLE WATERS
BRUNETTE DOWNS MOUNT DRUMMONDWINNECKE CREEK SOUTH LAKE WOODS
GREEN SWAMP WELL
MOUNT SOLITAIRE
SANDOVER RIVER
THE GRANITES
HIGHLAND ROCKS
ILLOGWA CREEK
PETERMANN RANGES
SIMPSON DESERT NORTH
SIMPSON DESERT SOUTH
0 100 200 300 400 500 km
SCALE 1:2 500 000
132°E
132°E
135°E
135°E
129°E
129°E
138°E
138°E
24°S 24°S
21°S 21°S
18°S 18°S
15°S 15°S
12°S 12°S
26°S 26°SS O U T H A U S T R A L I A
QU
EE
NS
LA
ND
WE
ST
ER
N
AU
ST
RA
LI
A
GEOLOGICAL REGIONS
0 100 200 300 400 500 km0 100 200 300 400 500 km
SYMBOLS
Main road..........................................
Secondary road.................................
Railway..............................................
Albers Equal Area ProjectionCentral Meridian 133°30' EAST
Standard Parallels 13°30' and 23°30' SOUTHGeocentric Datum of Australia 1994 (GDA94)
WARNING: Colours will fade with prolonged exposure to light
SIMPSON DESERT SOUTH1:250 000 geological map sheet.......
Watercourse......................................
Central AustralianPlatform Cover
North AustralianPlatform Cover
Archaean BasementInliers
Orogenic Domains
Younger basins
MAGNETIC DEPTHS of the NORTHERN TERRITORY
250 km50 0 50 100 150 200
BOUGUER GRAVITY
AIRBORNE SURVEY SPECIFICATIONS
0 100 200 300 400 500 km
400
500
1500-1600
> 3000_
NTGS surveys
250
300
200
_
NTGS surveys
150
Airborne SurveyFlight Line Spacing (m)
Vertical derivative of Bougueranomaly.
Palaeoproterozoic orogenicdomains (>1.8 Ga) form thebasement to the North AustralianCraton (Pine Creek Orogen,Tanami and northern Aruntaregions, Warramunga Province,and Murphy and Arnhem inliers).They include remnants ofArchaean rocks (>2.5 Ga).
Palaeo- to Mesoproterozoic(1.8 - 1.4 Ga) sedimentaryplatform covers include theMcArthur, South Nicholson andVictoria-Birrindudu basins andthe Tomkinson Creek andDavenport provinces of theTennant Region.
To the south, the rocks of theNorth Australian Craton pass intothe Central Australian mobilebelts (Warumpi, Irindina andMusgrave provinces).
0.20.512
5
10
20
km
Depth of a dipole
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Ian Scrimgeour, Director, Northern Territory Geological Survey
MAGNETIC DEPTHS of the NORTHERN TERRITORY2008 edition
Oc NORTHERN TERRITORY GOVERNMENT, 2008
Compiled: R Clifton 2008A vertical derivative of the NT TMI stitch was reduced to pole normally, seen here in red. A further reduction to pole with constant 040° inclination and 090° declination is shown in green.
The resulting stereogram needs red-green glasses for full effect.Where red and green light are equal in superposition, the eye perceives yellow.
Cartography: IM BurganProduced by the Northern Territory Geological Survey, Department of Primary Industry, Fisheries and Mines, Darwin, Australia.
Issued under the authority of the Minister for Mines and Energy, Mr CHRIS NATT MLA.This map is available from Minerals and Energy Information Centre, 3rd Floor Centrepoint Building, Darwin. Phone (61) 8 89996443, Fax (61) 8 89995221, Email [email protected].
The recommended reference for this map is: Clifton R, 2008. Magnetic Depths of the Northern Territory, 1:2 500 000 scale. Northern Territory Geological Survey, Darwin.
The quality of the data used toconstruct the magnetic depthsimage is a function of the flightline spacing, along line sampling,flying height and positionalaccuracy.
Surveys undertaken with a flightline spacing of 500 m or lesswere flown at an altitude of60 - 100 m above ground level.Surveys which employed a flightline spacing in excess of 500 mwere flown at an altitude of150 - 400 m.
