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Belle Eldridge Gold Mine (Deadwood Lead and Zinc Company Mine; Helen Gould Claim), Deadwood, Lawrence Co., South Dakota, USA

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Latitude & Longitude (WGS84): 44° 22' 11'' North , 103° 42' 36'' West
Latitude & Longitude (decimal): 44.36989,-103.71003
GeoHash:G#: 9xyk2j29m
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


1 mile east of Deadwood

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


14 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Reference: R&M 75:3 pp 156-169
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: R&M 75:3 pp 156-169
Chalcopyrite
Formula: CuFeS2
Reference: R&M 75:3 pp 156-169
'Chlorite Group'
Reference: R&M 75:3 pp 156-169
Dolomite
Formula: CaMg(CO3)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Galena
Formula: PbS
Reference: R&M 75:3 pp 156-169
Gold
Formula: Au
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Gold'
Formula: Au
Reference: From USGS MRDS database
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: R&M 75:3 pp 156-169
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Malachite
Formula: Cu2(CO3)(OH)2
Reference: R&M 75:3 pp 156-169
Marcasite
Formula: FeS2
Reference: R&M 75:3 pp 156-169
Pyrite
Formula: FeS2
Reference: R&M 75:3 pp 156-169
Pyrrhotite
Formula: Fe7S8
Reference: R&M 75:3 pp 156-169
Silver
Formula: Ag
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Sphalerite
Formula: ZnS
Reference: R&M 75:3 pp 156-169
Titanite
Formula: CaTi(SiO4)O
Reference: R&M 75:3 pp 156-169

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
'Silver'1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
'Marcasite'2.EB.10aFeS2
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
Group 5 - Nitrates and Carbonates
'Azurite'5.BA.05Cu3(CO3)2(OH)2
'Dolomite'5.AB.10CaMg(CO3)2
'Malachite'5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
'Titanite'9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Limonite'-(Fe,O,OH,H2O)

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
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H AzuriteCu3(CO3)2(OH)2
H KaoliniteAl2(Si2O5)(OH)4
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
CCarbon
C AzuriteCu3(CO3)2(OH)2
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O AzuriteCu3(CO3)2(OH)2
O DolomiteCaMg(CO3)2
O KaoliniteAl2(Si2O5)(OH)4
O Limonite(Fe,O,OH,H2O)
O MalachiteCu2(CO3)(OH)2
O TitaniteCaTi(SiO4)O
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si TitaniteCaTi(SiO4)O
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S GalenaPbS
S MarcasiteFeS2
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag SilverAg
AuGold
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

Eocene - Paleocene
33.9 - 66 Ma



ID: 2790284
Latitic Intrusive Rocks

Age: Paleogene (33.9 - 66 Ma)

Description: Dark-gray to greenish-gray laccoliths and sills of latite, latitic andesite, and quartz latite. Contains phenocrysts of andesine, oligoclase, biotite, hornblend, and sphene in a finely crystalline andesine-biotite-quartz groundmass.

Lithology: Major:{hypabyssal latite,hypabyssal andesite,hypabyssal quartz latite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Eocene - Paleocene
33.9 - 66 Ma



ID: 2473497
Rhyolitic intrusive rocks

Age: Paleogene (33.9 - 66 Ma)

Description: Tan to ivory, containing sparse phenocrysts of quartz, feldspar, and biotite. Forms dikes, sills, and laccolithic bodies, including probable feeder pipes.

Reference: Redden, J.A., E. DeWitt. Maps Showing Geology, Structure, and Geophysics of the Central Black Hills, South Dakota. U.S. Geological Survey Scientific Investigations Map 2777. [73]

Permian - Devonian
251.902 - 419.2 Ma



ID: 3190647
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 419.2 Ma)

Lithology: Sedimentary 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


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