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Gilt Edge Mine (Rattlesnake Jack; Dakota Maid; Ruby Ridge; Gilt Edge Glory Hole; Oro-Fina; Anchor Hill Mines 0460810072), Galena, Galena Mining District, Lawrence Co., South Dakota, USAi
Regional Level Types
Gilt Edge Mine (Rattlesnake Jack; Dakota Maid; Ruby Ridge; Gilt Edge Glory Hole; Oro-Fina; Anchor Hill Mines 0460810072)Mine
Galena- not defined -
Galena Mining DistrictMining District
Lawrence Co.County
South DakotaState
USACountry

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Key
Latitude & Longitude (WGS84):
44° 19' 49'' North , 103° 40' 24'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Deadwood1,258 (2017)6.8km
Lead2,999 (2017)7.7km
Central City130 (2017)8.8km
Whitewood919 (2017)14.8km
Sturgis6,688 (2017)15.8km


Ref.: Metal Mining Mining Geology, A.I.M.E. (1937): 414.

Ref.: http://geophysics.inel.gov/h2/giltedge/pages/index.php

Ref.: "The Mines Around and Beyond", Joel K. Waterland, 1991, pp. 95 - 122

Originally numerous mining claims on Union Hill operated by separate companies, beginning in 1876. Ore occurred in a fractured porphyry as gold-bearing limonite that, with depth, became primary iron and copper sulfides. Silver and chlorargyrite were also encountered.

The Oro Fino began operations in 1878. It operated until 1888 when recovery dropped to below 35% and closed. It was purchased by the Deadwood and Delaware Smelter Company in 1892 and mined for pyrite and copper sulfides to use as flux at the smelter. Following labor, water and production problems, it closed in 1894.

The Rattlesnake Jack mine was located in late 1876. No ore was found until 1903, but the mine remained idle until 1913. A ten-stamp cyanide mill was installed to treat 50 tons of ore per day. Additional treatment equipment was installed after farmers downstream complained of contaminated water in Bear Butte Creek. The ine closed in 1916 amid ownership lawsuits, inflation and labor shortages due to World War I.

The Dakota Maid mine commenced limited production in 1886, but remained idle until 1892. Production was very limited and it was idle until 1898. There was later assessment work, but no production.

The Gilt Edge mine was located in the late 1870's, but was idle until 1897. Production reached 80 tons per day by 1899, when ownership lawsuits ended operations. A new company took control of the property in 1903 and installed crushers, mills, classifiers and cyanide tanks. Production of 25,000 to 50,000 tons of ore per year occurred until 1908. Afterwards, the property changed hands several times, closing in 1916. Renewed operations commenced in 1935 after the price of gold was increased from $20 to $35 per ounce. By 1937, a modern crushing, classification and cyanide plant was completed and mining commenced. However, the copper sulfides in the ore poisoned the cyanide solution and treatment was complex. It was closed by the War Production Board (as were all U.S. gold mines) in 1942 and kept in standby status. It did not reopen after World War II.

The Anchor Hill Mine was located in 1878, performed limited assessment work, and closed in 1879.

Brohm Mining acquired numerous properties in the area in the 1980's and commenced heap leach operations in 1987. The site was abandoned in 1997 and treatment of acid discharge operated under the Superfund program.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Alunogen
Formula: Al2(SO4)3 · 17H2O
Chalcopyrite
Formula: CuFeS2
Reference: Willard Lincoln Roberts, personal communication, 1985
Chlorargyrite
Formula: AgCl
Reference: "The Mines Around and Beyond", Joel K. Waterland, 1991, p. 97
Ferricopiapite
Formula: Fe5(SO4)6O(OH) · 20H2O
Galena
Formula: PbS
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Gold
Formula: Au
Habit: wire
Reference: R&M 75:3 pp 156-169
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Orthoclase
Formula: K(AlSi3O8)
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Pyrite
Formula: FeS2
Reference: R&M 75:3 pp 156-169
Sanidine
Formula: K(AlSi3O8)
Reference: Willard Lincoln Roberts, personal communication, 1985
Silver
Formula: Ag
Reference: "The Mines Around and Beyond", Joel K. Waterland, 1991, p. 97
Sphalerite
Formula: ZnS
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Alunogen7.CB.45Al2(SO4)3 · 17H2O
Ferricopiapite7.DB.35Fe5(SO4)6O(OH) · 20H2O
Group 9 - Silicates
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Orthoclase9.FA.30K(AlSi3O8)
Sanidine9.FA.30K(AlSi3O8)

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
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 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2(XO4)3·H2O
Alunogen29.8.6.1Al2(SO4)3 · 17H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
Miscellaneous
Ferricopiapite31.10.5.4Fe5(SO4)6O(OH) · 20H2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Orthoclase76.1.1.1K(AlSi3O8)
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Kaolinite-Al2(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
H FerricopiapiteFe5(SO4)6O(OH) · 20H2O
H AlunogenAl2(SO4)3 · 17H2O
H AluniteKAl3(SO4)2(OH)6
H KaoliniteAl2(Si2O5)(OH)4
OOxygen
O FerricopiapiteFe5(SO4)6O(OH) · 20H2O
O AlunogenAl2(SO4)3 · 17H2O
O AluniteKAl3(SO4)2(OH)6
O OrthoclaseK(AlSi3O8)
O KaoliniteAl2(Si2O5)(OH)4
O SanidineK(AlSi3O8)
AlAluminium
Al AlunogenAl2(SO4)3 · 17H2O
Al AluniteKAl3(SO4)2(OH)6
Al OrthoclaseK(AlSi3O8)
Al KaoliniteAl2(Si2O5)(OH)4
Al SanidineK(AlSi3O8)
SiSilicon
Si OrthoclaseK(AlSi3O8)
Si KaoliniteAl2(Si2O5)(OH)4
Si SanidineK(AlSi3O8)
SSulfur
S FerricopiapiteFe5(SO4)6O(OH) · 20H2O
S AlunogenAl2(SO4)3 · 17H2O
S PyriteFeS2
S AluniteKAl3(SO4)2(OH)6
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
ClChlorine
Cl ChlorargyriteAgCl
KPotassium
K AluniteKAl3(SO4)2(OH)6
K OrthoclaseK(AlSi3O8)
K SanidineK(AlSi3O8)
FeIron
Fe FerricopiapiteFe5(SO4)6O(OH) · 20H2O
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
Ag ChlorargyriteAgCl
AuGold
Au GoldAu
PbLead
Pb GalenaPbS

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