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Ertsberg East Complex (GBT), Ertsberg Complex, Gunung Bijih District (Grasberg District), Mimika Regency, Papua Province, Indonesiai
Regional Level Types
Ertsberg East Complex (GBT)Complex
Ertsberg ComplexComplex
Gunung Bijih District (Grasberg District)District
Mimika RegencyRegency
Papua ProvinceProvince
IndonesiaCountry

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Latitude & Longitude (WGS84):
4° 4' 34'' South , 137° 8' 7'' East
Latitude & Longitude (decimal):
-4.07632,137.13548
GeoHash:
G#: rp38b9gj8
GRN:
S03E96
Type:
Complex
Köppen climate type:
Af : Tropical rainforest climate
Mindat Locality ID:
2008
Long-form identifier:
mindat:1:2:2008:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Gunung Bijih Timur; GBT


World-class exo- and endoskarn-hosted copper and gold deposit.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


34 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Acanthite
Formula: Ag2S
ⓘ Amesite
Formula: Mg2Al(AlSiO5)(OH)4
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
References:
Richard W. Henley
Frank J. Brink
Penelope L. King
Clyde Leys
Jibamitra Ganguly
Terrance Mernagh
Jill Middleton
Christian J. Renggli
Melanie Sieber
Ulrike Troitzsch
Henley, Richard W., Brink, Frank J., King, Penelope L., Leys, Clyde, Ganguly, Jibamitra, Mernagh, Terrance, Middleton, Jill, Renggli, Christian J., Sieber, Melanie, Troitzsch, Ulrike, et al. (2017) High temperature gas–solid reactions in calc–silicate Cu–Au skarn formation; Ertsberg, Papua Province, Indonesia. Contributions to Mineralogy and Petrology, 172 (11-12). 106 doi:10.1007/s00410-017-1413-6
Sieber, Melanie J.; Brink, Frank J.; Leys, Clyde; King, Penelope L.; Henley, Richard W. (2020) Prograde and retrograde metasomatic reactions in mineralised magnesium-silicate skarn in the Cu-Au Ertsberg East Skarn System, Ertsberg, Papua Province, Indonesia. Ore Geology Reviews, 125. 103697 doi:10.1016/j.oregeorev.2020.103697
ⓘ Anhydrite
Formula: CaSO4
References:
Richard W. Henley
Frank J. Brink
Penelope L. King
Clyde Leys
Jibamitra Ganguly
Terrance Mernagh
Jill Middleton
Christian J. Renggli
Melanie Sieber
Ulrike Troitzsch
Amer.Min.(1995) 80, 65-77
LEDVINA, M. D. and KYLE, J. R. (2014), Investigating the Pathways and P-T-X Conditions of Hydrothermal Fluid Flow responsible for Cu-Au Mineralization in the Ertsberg East Skarn System, Papua, Indonesia. Acta Geologica Sinica, 88: 578–579
Henley, Richard W., Brink, Frank J., King, Penelope L., Leys, Clyde, Ganguly, Jibamitra, Mernagh, Terrance, Middleton, Jill, Renggli, Christian J., Sieber, Melanie, Troitzsch, Ulrike, et al. (2017) High temperature gas–solid reactions in calc–silicate Cu–Au skarn formation; Ertsberg, Papua Province, Indonesia. Contributions to Mineralogy and Petrology, 172 (11-12). 106 doi:10.1007/s00410-017-1413-6
Sieber, Melanie J.; Brink, Frank J.; Leys, Clyde; King, Penelope L.; Henley, Richard W. (2020) Prograde and retrograde metasomatic reactions in mineralised magnesium-silicate skarn in the Cu-Au Ertsberg East Skarn System, Ertsberg, Papua Province, Indonesia. Ore Geology Reviews, 125. 103697 doi:10.1016/j.oregeorev.2020.103697
ⓘ Anorthite
Formula: Ca(Al2Si2O8)
References:
Richard W. Henley
Frank J. Brink
Penelope L. King
Clyde Leys
Jibamitra Ganguly
Terrance Mernagh
Jill Middleton
Christian J. Renggli
Melanie Sieber
Ulrike Troitzsch
Henley, Richard W., Brink, Frank J., King, Penelope L., Leys, Clyde, Ganguly, Jibamitra, Mernagh, Terrance, Middleton, Jill, Renggli, Christian J., Sieber, Melanie, Troitzsch, Ulrike, et al. (2017) High temperature gas–solid reactions in calc–silicate Cu–Au skarn formation; Ertsberg, Papua Province, Indonesia. Contributions to Mineralogy and Petrology, 172 (11-12). 106 doi:10.1007/s00410-017-1413-6
Sieber, Melanie J.; Brink, Frank J.; Leys, Clyde; King, Penelope L.; Henley, Richard W. (2020) Prograde and retrograde metasomatic reactions in mineralised magnesium-silicate skarn in the Cu-Au Ertsberg East Skarn System, Ertsberg, Papua Province, Indonesia. Ore Geology Reviews, 125. 103697 doi:10.1016/j.oregeorev.2020.103697
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Brucite
Formula: Mg(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Covellite
Formula: CuS
ⓘ Digenite
Formula: Cu9S5
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Dozyite (TL)
Formula: Mg7Al2(Al2Si4O15)(OH)12
Type Locality:
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Idaite
Formula: Cu5FeS6
ⓘ Lizardite
Formula: Mg3(Si2O5)(OH)4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Monticellite
Formula: CaMgSiO4
ⓘ Native Gold
Formula: Au
ⓘ Native Gold var. Electrum
Formula: (Au,Ag)
ⓘ Native Sulphur
Formula: S8
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
References:
Prendergast, K. (2003). Porphyry-related hydrothermal systems in the Estberg District, Papua, Indonesia (Doctoral dissertation, James Cook University).
Kyle, J. R., Gandler, L., Mertig, H., Rubin, J. and Ledvina, M. (2014), Stratigraphic Inheritance Controls of Skarn-hosted Metal Concentrations: Ore controls for Ertsberg-Grasberg District Cu-Au skarns, Papua, Indonesia. Acta Geologica Sinica
LEDVINA, M. D. and KYLE, J. R. (2014), Investigating the Pathways and P-T-X Conditions of Hydrothermal Fluid Flow responsible for Cu-Au Mineralization in the Ertsberg East Skarn System, Papua, Indonesia. Acta Geologica Sinica, 88: 578–579
Sieber, Melanie J.; Brink, Frank J.; Leys, Clyde; King, Penelope L.; Henley, Richard W. (2020) Prograde and retrograde metasomatic reactions in mineralised magnesium-silicate skarn in the Cu-Au Ertsberg East Skarn System, Ertsberg, Papua Province, Indonesia. Ore Geology Reviews, 125. 103697 doi:10.1016/j.oregeorev.2020.103697
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold
var. Electrum		1.AA.05(Au,Ag)
ⓘ1.AA.05Au
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘAcanthite2.BA.35Ag2S
ⓘCovellite2.CA.05aCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘIdaite2.CB.15aCu5FeS6
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘForsterite9.AC.05Mg2SiO4
ⓘMonticellite9.AC.10CaMgSiO4
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘDiopside9.DA.15CaMgSi2O6
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘDozyite (TL)9.EC.60Mg7Al2(Al2Si4O15)(OH)12
ⓘAmesite9.ED.15Mg2Al(AlSiO5)(OH)4
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
ⓘLizardite9.ED.15Mg3(Si2O5)(OH)4
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AmesiteMg2Al(AlSiO5)(OH)4
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ BruciteMg(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ DozyiteMg7Al2(Al2Si4O15)(OH)12
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ LizarditeMg3(Si2O5)(OH)4
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ AmesiteMg2Al(AlSiO5)(OH)4
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AnhydriteCaSO4
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BruciteMg(OH)2
Oⓘ CalciteCaCO3
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ DozyiteMg7Al2(Al2Si4O15)(OH)12
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ ForsteriteMg2SiO4
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ LizarditeMg3(Si2O5)(OH)4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MonticelliteCaMgSiO4
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mgⓘ AmesiteMg2Al(AlSiO5)(OH)4
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ BruciteMg(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ DozyiteMg7Al2(Al2Si4O15)(OH)12
Mgⓘ ForsteriteMg2SiO4
Mgⓘ LizarditeMg3(Si2O5)(OH)4
Mgⓘ MonticelliteCaMgSiO4
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
Alⓘ AmesiteMg2Al(AlSiO5)(OH)4
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ DozyiteMg7Al2(Al2Si4O15)(OH)12
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Siⓘ AmesiteMg2Al(AlSiO5)(OH)4
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DiopsideCaMgSi2O6
Siⓘ DozyiteMg7Al2(Al2Si4O15)(OH)12
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ ForsteriteMg2SiO4
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ LizarditeMg3(Si2O5)(OH)4
Siⓘ MonticelliteCaMgSiO4
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ AnhydriteCaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ DigeniteCu9S5
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ IdaiteCu5FeS6
Sⓘ PyriteFeS2
Sⓘ Native SulphurS8
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ AnhydriteCaSO4
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ MonticelliteCaMgSiO4
Caⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ IdaiteCu5FeS6
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ DigeniteCu9S5
Cuⓘ IdaiteCu5FeS6
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ Native Gold var. Electrum(Au,Ag)
AuGold
Auⓘ Native Gold var. Electrum(Au,Ag)
Auⓘ Native GoldAu
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

AsiaContinent
Australia
Australian Plate
Indonesia
Maoke PlateTectonic Plate
New GuineaIsland

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Mealey, G.A. (1996) Grasberg, Mining the Richest and Most Remote Deposit of Copper and Gold in the World. Freeport-McMoRan Copper & Gold, 384 pages.
Henley, Richard W., Brink, Frank J., King, Penelope L., Leys, Clyde, Ganguly, Jibamitra, Mernagh, Terrance, Middleton, Jill, Renggli, Christian J., Sieber, Melanie, Troitzsch, Ulrike, et al. (2017) High temperature gas–solid reactions in calc–silicate Cu–Au skarn formation; Ertsberg, Papua Province, Indonesia. Contributions to Mineralogy and Petrology, 172 (11-12). 106 doi:10.1007/s00410-017-1413-6
Sieber, Melanie J.; Brink, Frank J.; Leys, Clyde; King, Penelope L.; Henley, Richard W. (2020) Prograde and retrograde metasomatic reactions in mineralised magnesium-silicate skarn in the Cu-Au Ertsberg East Skarn System, Ertsberg, Papua Province, Indonesia. Ore Geology Reviews, 125. 103697 doi:10.1016/j.oregeorev.2020.103697
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