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Latitude & Longitude (WGS84):
38° 42' North , 117° 4' West
Latitude & Longitude (decimal):
Kรถppen climate type:
Mindat Locality ID:
11587
Long-form identifier:
mindat:1:2:11587:3
GUID (UUID V4):
0
Other/historical names associated with this locality:
Round Mountain Gold Mine; Sphinx glory hole; Great Western tunnel; Rattlesnake; Keane vein; Los Gazabo vein


An open pit Au-Ag-As-Sb-Th-Hg-Mo-F-Mn-W mine located in secs. 19 & 30, T10N, R44E, MDM, 0.9 km (2,800 feet) SE of Round Mountain (summit) (coordinates of record), and 1.2 km (4,100 feet) S of Round Mountain (town). Owned by Homestake Mining Co. (25%) & Round Mountain Gold Corp.

Workings include an open pit with a heap-leach operation.

Produced 4 million tons of ore (3,720 kg Au) (1984).
Deposit: General size of ore body: large

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


15 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

โ“˜ Aguilarite
Formula: Ag4SeS
Habit: Probe visible blebs
Description: micrometer blebs in gold and electrum
โ“˜ Alunite
Formula: KAl3(SO4)2(OH)6
โ“˜ Anatase
Formula: TiO2
โ“˜ Calcite
Formula: CaCO3
โ“˜ 'Chlorite Group'
โ“˜ Fluorite
Formula: CaF2
โ“˜ Goethite
Formula: Fe3+O(OH)
โ“˜ Hematite
Formula: Fe2O3
โ“˜ Jarosite
Formula: KFe3+3(SO4)2(OH)6
โ“˜ 'K Feldspar'
โ“˜ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
โ“˜ 'Limonite'
โ“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
โ“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
โœช Native Gold
Formula: Au
Habit: Flattened & elongated spinel twins to 6cm. Herringbone leaves, parallel wires, cubic crystals.
Colour: Gold
Description: Thumbnail to cabinet size clusters. Found in late 1980's to 2006
โ“˜ Native Gold var. Electrum
Formula: (Au,Ag)
โ“˜ Pyrite
Formula: FeS2
โ“˜ Pyrolusite
Formula: Mn4+O2
โ“˜ Quartz
Formula: SiO2
โ“˜ Realgar
Formula: As4S4
โ“˜ Scorodite
Formula: Fe3+AsO4 · 2H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
โ“˜Native Gold
var. Electrum
1.AA.05(Au,Ag)
โ“˜1.AA.05Au
Group 2 - Sulphides and Sulfosalts
โ“˜Aguilarite2.BA.55Ag4SeS
โ“˜Pyrite2.EB.05aFeS2
โ“˜Realgar2.FA.15aAs4S4
Group 3 - Halides
โ“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
โ“˜Hematite4.CB.05Fe2O3
โ“˜Quartz4.DA.05SiO2
โ“˜Pyrolusite4.DB.05Mn4+O2
โ“˜Anatase4.DD.05TiO2
โ“˜Goethite4.FD.10Fe3+O(OH)
Group 5 - Nitrates and Carbonates
โ“˜Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
โ“˜Alunite7.BC.10KAl3(SO4)2(OH)6
โ“˜Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
โ“˜Scorodite8.CD.10Fe3+AsO4 ยท 2H2O
Group 9 - Silicates
โ“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
โ“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
โ“˜'K Feldspar
var. Adularia'
-KAlSi3O8
โ“˜'Chlorite Group'-
โ“˜'Limonite'-
โ“˜'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hโ“˜ AluniteKAl3(SO4)2(OH)6
Hโ“˜ GoethiteFe3+O(OH)
Hโ“˜ JarositeKFe33+(SO4)2(OH)6
Hโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hโ“˜ ScoroditeFe3+AsO4 · 2H2O
Hโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cโ“˜ CalciteCaCO3
OOxygen
Oโ“˜ K Feldspar var. AdulariaKAlSi3O8
Oโ“˜ AluniteKAl3(SO4)2(OH)6
Oโ“˜ AnataseTiO2
Oโ“˜ CalciteCaCO3
Oโ“˜ GoethiteFe3+O(OH)
Oโ“˜ HematiteFe2O3
Oโ“˜ JarositeKFe33+(SO4)2(OH)6
Oโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oโ“˜ PyrolusiteMn4+O2
Oโ“˜ QuartzSiO2
Oโ“˜ ScoroditeFe3+AsO4 · 2H2O
Oโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FFluorine
Fโ“˜ FluoriteCaF2
AlAluminium
Alโ“˜ K Feldspar var. AdulariaKAlSi3O8
Alโ“˜ AluniteKAl3(SO4)2(OH)6
Alโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siโ“˜ K Feldspar var. AdulariaKAlSi3O8
Siโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siโ“˜ QuartzSiO2
Siโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sโ“˜ AguilariteAg4SeS
Sโ“˜ AluniteKAl3(SO4)2(OH)6
Sโ“˜ JarositeKFe33+(SO4)2(OH)6
Sโ“˜ PyriteFeS2
Sโ“˜ RealgarAs4S4
KPotassium
Kโ“˜ K Feldspar var. AdulariaKAlSi3O8
Kโ“˜ AluniteKAl3(SO4)2(OH)6
Kโ“˜ JarositeKFe33+(SO4)2(OH)6
Kโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caโ“˜ CalciteCaCO3
Caโ“˜ FluoriteCaF2
TiTitanium
Tiโ“˜ AnataseTiO2
MnManganese
Mnโ“˜ PyrolusiteMn4+O2
FeIron
Feโ“˜ GoethiteFe3+O(OH)
Feโ“˜ HematiteFe2O3
Feโ“˜ JarositeKFe33+(SO4)2(OH)6
Feโ“˜ PyriteFeS2
Feโ“˜ ScoroditeFe3+AsO4 · 2H2O
AsArsenic
Asโ“˜ RealgarAs4S4
Asโ“˜ ScoroditeFe3+AsO4 · 2H2O
SeSelenium
Seโ“˜ AguilariteAg4SeS
AgSilver
Agโ“˜ AguilariteAg4SeS
Agโ“˜ Native Gold var. Electrum(Au,Ag)
AuGold
Auโ“˜ Native Gold var. Electrum(Au,Ag)
Auโ“˜ Native GoldAu

Other Databases

Link to USGS MRDS:10222395

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