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Koongarra deposit, Kakadu, West Arnhem Region, Northern Territory, Australiai
Regional Level Types
Koongarra depositDeposit
Kakadu- not defined -
West Arnhem RegionRegion
Northern TerritoryTerritory
AustraliaCountry

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Latitude & Longitude (WGS84): 12° 52' 0'' South , 132° 49' 60'' East
Latitude & Longitude (decimal): -12.86667,132.83333
GeoHash:G#: qvwqy9wq1
Locality type:Deposit
Köppen climate type:Aw : Tropical savanna, wet


Uranium (gold) deposit.

The Koongarra uranium deposit is 30 kilometres south south-east of Jabiru and the Ranger uranium mine, in the Kakadu National Park. It is 3 kilometres west of Nourlangie Rock in a valley bounded by the Brockman Rock outlier, and the escarpment of the Arnhem Land Plateau.

There are two ore bodies totalling 16 540 tonnes of uranium.

It was discovered in 1970 by Noranda Australia Ltd, the lease later taken over by Denison Australia Pty Ltd. In 1995 the lease was held by a French company called AREVA. Mining has not proceeded due to opposition from the local indigenous communities.

The Archaean Nanambu Complex forms a dome, flanked by the mineralisation in the lower Proterozoic Cahill Formation, a layered sequence of quartz-Mg-chlorite schist, with layers of dolomite and metamorphosed limestone of the same unit underlying this. The regolith is sandy loams, white sand, fragmented sandstone, and extensive lateritic ferricrete.

The Koongarra deposit contains two distinct but related ore bodies, separated by 100 metres of barren schist. The ore bodies are 650 metres long, averaging 30 metres wide, strikes north-east, and dips 55 degrees south-east.

The primary ore is pitchblende, which occurs as veins 1-10mm thick, intimately intergrown with Mg-chlorite. Minor gold, galena, and Cu Sulphides occur disseminated in the ore. There are abundant secondary uranium minerals within a 100 metre dispersion fan of weathering above the south-west portion of the deposit. These include uranyl phosphates, mainly saleeite, metatorbernite, and renardite. In the primary ore zone there is uraninite oxidised and altered to uranyl silicates, kasolite, sklodowskite and uranophane.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Apatite'
Reference: Isobe, H., Ewing, R. C., & Murakami, T. (1993, January). Formation of secondary uranium minerals in the Koongarra deposit, Australia. In MRS Proceedings (Vol. 333, p. 653). Cambridge University Press.
'Chlorite Group'
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press ; Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
Curite
Formula: Pb3(UO2)8O8(OH)6 · 3H2O
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press ; Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.
Dewindtite
Formula: H2Pb3(UO2)2(PO4)4O4 · 12H2O
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press ; Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME; Giblin, A.(2004): Aligator Rivers Uranium Deposits, CRC LEME (2004)
'Dolostone'
Reference: Giblin, A. (2005). Alligator Rivers uranium deposits (Koongarra, Narbarlek and Ranger One), Northern Territory. Regolith Expression of Australian Ore Systems. CRC LEME, Perth, 411, 414.
Fourmarierite
Formula: Pb(UO2)4O3(OH)4 · 4H2O
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press
Galena
Formula: PbS
Reference: Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
Gold
Formula: Au
Reference: Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
Graphite
Formula: C
Reference: Isobe, H., Ewing, R. C., & Murakami, T. (1993, January). Formation of secondary uranium minerals in the Koongarra deposit, Australia. In MRS Proceedings (Vol. 333, p. 653). Cambridge University Press.
Kasolite
Formula: Pb(UO2)[SiO4] · H2O
Reference: Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME; Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.
'Limestone'
Reference: Giblin, A. (2005). Alligator Rivers uranium deposits (Koongarra, Narbarlek and Ranger One), Northern Territory. Regolith Expression of Australian Ore Systems. CRC LEME, Perth, 411, 414.
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press ; Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
Quartz
Formula: SiO2
Reference: Giblin, A. (2005). Alligator Rivers uranium deposits (Koongarra, Narbarlek and Ranger One), Northern Territory. Regolith Expression of Australian Ore Systems. CRC LEME, Perth, 411, 414.
Renardite
Formula: Pb(UO2)4(PO4)2(OH)4•H2O
Reference: Giblin, A. (2005). Alligator Rivers uranium deposits (Koongarra, Narbarlek and Ranger One), Northern Territory. Regolith Expression of Australian Ore Systems. CRC LEME, Perth, 411, 414.
Saléeite
Formula: Mg(UO2)2(PO4)2 · 10H2O
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press ; Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME; Isobe, H., Ewing, R. C., & Murakami, T. (1993, January). Formation of secondary uranium minerals in the Koongarra deposit, Australia. In MRS Proceedings (Vol. 333, p. 653). Cambridge University Press.
'Schist'
Reference: Giblin, A. (2005). Alligator Rivers uranium deposits (Koongarra, Narbarlek and Ranger One), Northern Territory. Regolith Expression of Australian Ore Systems. CRC LEME, Perth, 411, 414.
Sklodowskite
Formula: Mg(UO2)2(SiO3OH)2 · 6H2O
Reference: Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME; Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.
Uraninite
Formula: UO2
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press ; Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.
Uraninite var: Pitchblende
Formula: UO2
Reference: Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Reference: Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
Vandendriesscheite
Formula: PbU7O22 · 12H2O
Reference: Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press
Wölsendorfite
Formula: Pb7(UO2)14O19(OH)4 · 12H2O
Reference: Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
'Graphite'1.CB.05aC
Group 2 - Sulphides and Sulfosalts
'Galena'2.CD.10PbS
Group 4 - Oxides and Hydroxides
'Curite'4.GB.55Pb3(UO2)8O8(OH)6 · 3H2O
'Fourmarierite'4.GB.25Pb(UO2)4O3(OH)4 · 4H2O
Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2
Vandendriesscheite4.GB.40PbU7O22 · 12H2O
Wölsendorfite4.GB.30Pb7(UO2)14O19(OH)4 · 12H2O
Group 8 - Phosphates, Arsenates and Vanadates
'Dewindtite'8.EC.10H2Pb3(UO2)2(PO4)4O4 · 12H2O
'Metatorbernite'8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Saléeite8.EB.05Mg(UO2)2(PO4)2 · 10H2O
Group 9 - Silicates
'Kasolite'9.AK.15Pb(UO2)[SiO4] · H2O
Sklodowskite9.AK.10Mg(UO2)2(SiO3OH)2 · 6H2O
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Chlorite Group'-
'Dolostone'-
'Limestone'-
Renardite-Pb(UO2)4(PO4)2(OH)4•H2O
Schist-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
AX2O7·xH2O
Wölsendorfite5.4.3.2Pb7(UO2)14O19(OH)4 · 12H2O
AX7O22·xH2O
Vandendriesscheite5.8.1.1PbU7O22 · 12H2O
Miscellaneous
Curite5.9.3.1Pb3(UO2)8O8(OH)6 · 3H2O
Fourmarierite5.9.2.1Pb(UO2)4O3(OH)4 · 4H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Metatorbernite40.2a.13.2Cu(UO2)2(PO4)2 · 8H2O
Saléeite40.2a.11.1Mg(UO2)2(PO4)2 · 10H2O
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Dewindtite42.9.8.1H2Pb3(UO2)2(PO4)4O4 · 12H2O
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Kasolite53.3.1.1Pb(UO2)[SiO4] · H2O
Sklodowskite53.3.1.3Mg(UO2)2(SiO3OH)2 · 6H2O
Uranophane53.3.1.2Ca(UO2)2(SiO3OH)2 · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Chlorite Group'-
'Dolostone'-
'Limestone'-
Renardite-Pb(UO2)4(PO4)2(OH)4•H2O
'Schist'-
Uraninite
var: Pitchblende
-UO2

List of minerals for each chemical element

HHydrogen
H CuritePb3(UO2)8O8(OH)6 · 3H2O
H DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2O
H FourmarieritePb(UO2)4O3(OH)4 · 4H2O
H KasolitePb(UO2)[SiO4] · H2O
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H RenarditePb(UO2)4(PO4)2(OH)4•H2O
H SaléeiteMg(UO2)2(PO4)2 · 10H2O
H SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H VandendriesscheitePbU7O22 · 12H2O
H WölsendorfitePb7(UO2)14O19(OH)4 · 12H2O
CCarbon
C GraphiteC
OOxygen
O CuritePb3(UO2)8O8(OH)6 · 3H2O
O DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2O
O FourmarieritePb(UO2)4O3(OH)4 · 4H2O
O KasolitePb(UO2)[SiO4] · H2O
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O Uraninite (var: Pitchblende)UO2
O QuartzSiO2
O RenarditePb(UO2)4(PO4)2(OH)4•H2O
O SaléeiteMg(UO2)2(PO4)2 · 10H2O
O SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
O UraniniteUO2
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O VandendriesscheitePbU7O22 · 12H2O
O WölsendorfitePb7(UO2)14O19(OH)4 · 12H2O
MgMagnesium
Mg SaléeiteMg(UO2)2(PO4)2 · 10H2O
Mg SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
SiSilicon
Si KasolitePb(UO2)[SiO4] · H2O
Si QuartzSiO2
Si SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
PPhosphorus
P DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2O
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
P RenarditePb(UO2)4(PO4)2(OH)4•H2O
P SaléeiteMg(UO2)2(PO4)2 · 10H2O
SSulfur
S GalenaPbS
CaCalcium
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
CuCopper
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
AuGold
Au GoldAu
PbLead
Pb CuritePb3(UO2)8O8(OH)6 · 3H2O
Pb DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2O
Pb FourmarieritePb(UO2)4O3(OH)4 · 4H2O
Pb GalenaPbS
Pb KasolitePb(UO2)[SiO4] · H2O
Pb RenarditePb(UO2)4(PO4)2(OH)4•H2O
Pb VandendriesscheitePbU7O22 · 12H2O
Pb WölsendorfitePb7(UO2)14O19(OH)4 · 12H2O
UUranium
U CuritePb3(UO2)8O8(OH)6 · 3H2O
U DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2O
U FourmarieritePb(UO2)4O3(OH)4 · 4H2O
U KasolitePb(UO2)[SiO4] · H2O
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O
U Uraninite (var: Pitchblende)UO2
U RenarditePb(UO2)4(PO4)2(OH)4•H2O
U SaléeiteMg(UO2)2(PO4)2 · 10H2O
U SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
U UraniniteUO2
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U VandendriesscheitePbU7O22 · 12H2O
U WölsendorfitePb7(UO2)14O19(OH)4 · 12H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3191851
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Comments: Pine Creek Inlier

Lithology: Amphibolite grade unclassified metamorphic rock

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Paleoproterozoic - Statherian
1600 - 1800 Ma



ID: 836425
Mamadawerre Sandstone

Age: Statherian (1600 - 1800 Ma)

Stratigraphic Name: Mamadawerre Sandstone

Description: White, thickly bedded, commonly tabular or trough cross-bedded, poorly sorted, medium to coarse quartz sandstone with pebble or granule bands; minor siltstone; polymictic pebble to boulder conglomerate at base

Comments: sedimentary siliciclastic; synthesis of multiple published descriptions

Lithology: Sedimentary siliciclastic

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.
Isobe, H., Ewing, R. C., & Murakami, T. (1993, January). Formation of secondary uranium minerals in the Koongarra deposit, Australia. In MRS Proceedings (Vol. 333, p. 653). Cambridge University Press.
Giblin, A.(2004): Alligator Rivers Uranium Deposits (Koongarra, Nabarlek and Ranger One) Northern Territory,CRC LEME (2004).


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