Ajax Mine (Copperopolis; Sioux Ajax), Mammoth, Tintic Mining District, Juab County, Utah, USA (original) (raw)

Ajax Mine (Copperopolis; Sioux Ajax), Mammoth, Tintic Mining District, Juab County, Utah, USAi

Regional Level Types
Ajax Mine (Copperopolis; Sioux Ajax) Mine
Mammoth Town (Historical)
Tintic Mining District Mining District
Juab County County
Utah State
USA Country

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Latitude & Longitude (WGS84):

39° 55' 39'' North , 112° 6' 44'' West

Latitude & Longitude (decimal):

Long-form identifier:

mindat:1:2:4157:0

adbe6323-3569-4962-8016-ffa982d7031f

Other/historical names associated with this locality:

American Eagle; Am. Eagle

A former Ag-Au-Cu-Pb-Fe occurrence/mine located 1.2 km (0.7 mile) E of Mammoth (head of canyon, 3000 feet S 57 W of Mammoth Peak on lower W slope of the mountain), on private land. Owned by the Gold Chain Mining Co., C/O E.S. Mcintyre, Eureka, Utah. Operated by the Mammoth Mining Company (1930- ). MRDS database accuracy for this location is not stated. Consolidated in 1909 with the Cleveland, Pedro and Gold Chain group as the Gold Chain Mine. Explored in 1926 from the 1800 level of the Lower Mammoth Mine.

Mineralization is hosted in Late Cambrian dolomite (Ajax Dolomite; Opex Formation). The ore body is a chimney with a length of 609.6 meters, a depth-to-bottom of 304.8 meters. North-trending fissures with NE offshoots are present. Beds strike N55W and dip 20NE. Fractures trend N-S, N25E, N35E, N65E, N55W and dip 70-90W. Gossan deposit. Strikes N to W of the Mammoth pipe. Local geologic structures include horizontal ore shoots along beddings. Local alteration includes contact metamorphism. Associated rocks include Pliocene-Late Cambrian monzonite. Local rocks include Upper Cambrian carbonate rocks in central Utah.

Workings include underground openings with an overall depth of 335.28 meters and an overall length of 609.6 meters. The old shaft is caved into the stopes and is dangerous. There is a 400 foot adit (Ajax adit), an internal shaft (winze ?) and shallow surface workings. The Ajax shaft at 1,100 feet deep was used in 1917, and was sunk from the Ajax adit 400 feet from the portal. In all there are several shafts.

Production amounted to $3,000,000 (period values) of Cu, Ag & Au from the Ajax and Gold Chain mines during the period 1899 to 1917.

Analytical data results: 0.6 ounce Au; 2 to 14 ounces Ag; 2 to 8% Cu; 50 to 70% Si; 1% Zn.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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

Mineral List

23 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ AragoniteFormula: CaCO3
ⓘ Arseniosiderite ?Formula: Ca2Fe3+3(AsO4)3O2 · 3H2OReferences: Rick Dalrymple Collection
ⓘ AzuriteFormula: Cu3(CO3)2(OH)2References: R&M 66:1 p24-28
ⓘ ChalcophylliteFormula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OReferences: Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
ⓘ ChenevixiteFormula: Cu2Fe3+2(AsO4)2(OH)4References: Mineralogical Magazine 1885 6 : 181-182. Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.
ⓘ ClinoclaseFormula: Cu3(AsO4)(OH)3References: Dana 6:1092 Dana 7:II:579.
ⓘ ConichalciteFormula: CaCu(AsO4)(OH)References: Mineralogical Magazine 1885 6 : 181-182. Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ CopperFormula: CuReferences: (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ CornwalliteFormula: Cu5(AsO4)2(OH)4References: Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.
ⓘ CyanotrichiteFormula: Cu4Al2(SO4)(OH)12 · 2H2OReferences: Dana 6:1092 Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.
ⓘ DescloiziteFormula: PbZn(VO4)(OH)References: In the collection of Alex Earl
ⓘ DolomiteFormula: CaMg(CO3)2References: (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ EnargiteFormula: Cu3AsS4References: Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ GoethiteFormula: α-Fe3+O(OH)References: Harvard Museum of Natural History specimen no. 96656
ⓘ GypsumFormula: CaSO4 · 2H2OReferences: Dana 6:1092 Dana 7:II:579.
ⓘ Gypsum var. SeleniteFormula: CaSO4 · 2H2OReferences: Dana 6:1092 Dana 7:II:579.
ⓘ HemimorphiteFormula: Zn4Si2O7(OH)2 · H2OReferences: In the collection of Alex Earl
ⓘ KettneriteFormula: CaBiCO3OFReferences: Thorne, Brent (n.d.) Personal communcation.
ⓘ MixiteFormula: BiCu6(AsO4)3(OH)6 · 3H2OReferences: Dana 6:1092 Dana 7:II:579. Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
ⓘ OliveniteFormula: Cu2(AsO4)(OH)References: Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ QuartzFormula: SiO2References: (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ ScoroditeFormula: Fe3+AsO4 · 2H2OReferences: Dana 6:1092 Dana 7:II:579. Lavinsky, Rob (n.d.) Specimens previously handled by The Arkenstone.
ⓘ TenoriteFormula: CuOReferences: Dana 6:1092 Dana 7:II:579.
ⓘ TyroliteFormula: Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2OReferences: Dana 6:1092 Dana 7:II:579. Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey

Other Databases

Link to USGS MRDS: 10020098
Link to USGS MRDS: 10042164

Other Regions, Features and Areas containing this locality

USA

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References