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Gosowong Goldfield, Halmahera Island, North Maluku Province, Maluku Islands (Moluccas), Indonesiai
Regional Level Types
Gosowong GoldfieldDeposit
Halmahera IslandIsland
North Maluku ProvinceProvince
Maluku Islands (Moluccas)Group of Islands
IndonesiaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 1° 8' 44'' North , 127° 42' 18'' East
Latitude & Longitude (decimal): 1.14562,127.70501
GeoHash:G#: wb4y9bxcw
Locality type:Deposit
Köppen climate type:Af : Tropical rainforest climate
Nearest Settlements:
PlacePopulationDistance
Sofifi36,197 (2016)48.2km


Epithermal Au-Ag deposit.
Gold mineralisation hosted within multiphase, epithermal quartz-adularia and quartz-chlorite fissure veins, breccias, and stockwork veining.

Regions containing this locality

Birds Head PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

19 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!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Alunite
Formula: KAl3(SO4)2(OH)6
Anhydrite
Formula: CaSO4
Reference: Micklethwaite, S., Silitonga, D. (2011) Transient Kinematic Changes in Epithermal Systems: Toguraci Deposit, Halmahera. 11th Biennial Conference of the SGA, Antofigasta, Chile.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
'Biotite'
Reference: http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Calcite
Formula: CaCO3
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Chalcopyrite
Formula: CuFeS2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
'Chlorite Group'
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Diaspore
Formula: AlO(OH)
Reference: http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Dickite
Formula: Al2(Si2O5)(OH)4
Reference: http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
'Electrum'
Formula: (Au, Ag)
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Galena
Formula: PbS
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
Gold
Formula: Au
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
'K Feldspar'
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Magnetite
Formula: Fe2+Fe3+2O4
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Orthoclase
Formula: K(AlSi3O8)
Reference: http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Pyrite
Formula: FeS2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Quartz
Formula: SiO2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Quartz var: Chalcedony
Formula: SiO2
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.; http://www.newcrest.com.au/media/market_releases/2012/FINAL_(a4)_Technical_Report_Gosowong_Property_December_31_2011.pdf
Sphalerite
Formula: ZnS
Reference: Gemmell, J. B. (2007): Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology 102, 893-922.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Diaspore4.FD.10AlO(OH)
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Anhydrite7.AD.30CaSO4
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Dickite9.ED.05Al2(Si2O5)(OH)4
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Orthoclase9.FA.30K(AlSi3O8)
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Chlorite Group'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

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
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Biotite'-
'Chlorite Group'-
'Electrum'-(Au, Ag)
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Kaolinite-Al2(Si2O5)(OH)4
Quartz
var: Chalcedony
-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H AluniteKAl3(SO4)2(OH)6
H MuscoviteKAl2(AlSi3O10)(OH)2
H DiasporeAlO(OH)
H DickiteAl2(Si2O5)(OH)4
H KaoliniteAl2(Si2O5)(OH)4
H PyrophylliteAl2Si4O10(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
OOxygen
O QuartzSiO2
O K Feldspar (var: Adularia)KAlSi3O8
O Quartz (var: Chalcedony)SiO2
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O AlbiteNa(AlSi3O8)
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CalciteCaCO3
O AluniteKAl3(SO4)2(OH)6
O AnhydriteCaSO4
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O DiasporeAlO(OH)
O DickiteAl2(Si2O5)(OH)4
O KaoliniteAl2(Si2O5)(OH)4
O OrthoclaseK(AlSi3O8)
O PyrophylliteAl2Si4O10(OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Al K Feldspar (var: Adularia)KAlSi3O8
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al AlbiteNa(AlSi3O8)
Al AluniteKAl3(SO4)2(OH)6
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al DiasporeAlO(OH)
Al DickiteAl2(Si2O5)(OH)4
Al KaoliniteAl2(Si2O5)(OH)4
Al OrthoclaseK(AlSi3O8)
Al PyrophylliteAl2Si4O10(OH)2
SiSilicon
Si QuartzSiO2
Si K Feldspar (var: Adularia)KAlSi3O8
Si Quartz (var: Chalcedony)SiO2
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si DickiteAl2(Si2O5)(OH)4
Si KaoliniteAl2(Si2O5)(OH)4
Si OrthoclaseK(AlSi3O8)
Si PyrophylliteAl2Si4O10(OH)2
SSulfur
S PyriteFeS2
S SphaleriteZnS
S GalenaPbS
S ChalcopyriteCuFeS2
S AluniteKAl3(SO4)2(OH)6
S AnhydriteCaSO4
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K AluniteKAl3(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca AnhydriteCaSO4
FeIron
Fe PyriteFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ChalcopyriteCuFeS2
Fe MagnetiteFe2+Fe23+O4
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag Electrum(Au, Ag)
AuGold
Au Electrum(Au, Ag)
Au GoldAu
PbLead
Pb GalenaPbS

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

Quaternary - Neogene
0 - 23.03 Ma



ID: 3187442
Cenozoic volcanic rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Mafic-intermediate volcanic rocks

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]

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)
-Gemmell, J.B. (2007) Hydrothermal alteration associated with the Gosowong epithermal Au-Ag deposit, Halmara, Indonesia: Mineralogy, geochemistry, and exploration implications. Economic Geology. 102, 893-922.

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