Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USAi
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Latitude & Longitude (WGS84):
36° 14' 16'' North , 117° 25' 55'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Searles Valley | 1,739 (2011) | 52.3km |
Mindat Locality ID:
209502
Long-form identifier:
mindat:1:2:209502:1
GUID (UUID V4):
9b5f85a2-1eea-4e7d-b204-50b5bf2ae581
A former Pb-Ag-Zn-Au-Cu-Mn mine located in sec. 33, T19S, R42E, MDM, 0.9 km (0.6 mile) SSE of Lookout City, on the lower S slope of Lookout Mountain, along Thompson Canyon, E slope of the Argus Range (9 airline miles SE of Panamint Springs). Operated during the period 1902 to 1952. MRDS database stated accuracy for this location is 10 meters.
"The Minietta operated on and off until 1915. In 1924 this silver-lead-gold mine was reopened and the Modoc Mine was leased. [21] Their slag piles and dumps were reworked, yielding gold, silver, copper, lead, and zinc. In the mid-1930s the Minietta was leased and refinanced and a mill and modern equipment were to be installed. If gold and silver prices held, the future of the mine seemed bright. [22] By 1938 the Modoc Mine had produced $1,900,000 worth of ore and the Minietta $1,000,000." (National Park Service).
Mineralization is sphalerite ore hosted in limestone. The ore body strikes N40-45E and dips 45-22NW. Diabase dikes are in close proximity to some stopes and may have controlled deposition of ore. The ore occurs along the sole of a thrust sheet and in steeply dipping faults below the thrust. The outcrop is marked by Mn and Fe oxides. Local alteration involved silicification. Diabase is an associated rock. Local rocks include Devonian marine rocks, unit 1 (Death Valley).
Local geologic structures include faults and a thrust.
Workings include surface and underground openings with a length of 106. 68 meters and comprised of 3 levels with the upper level ore stoped. from the 85 foot drift to the surface. The middle level consists of a 65 foot adit. The lower level is a 250 foot adit.
Production data are found in: Goodwin, Joseph Grant (1957).
Production statistics: Year: 1949 (through 1949): ^16% Pb. The last ore shipped in 1952 contained 12.1% Pb, 8.2 ounces Ag/ton plus recoverable Cu & Au. Zn production has not been large, about 12,000 pounds (1948 & 1950).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities13 valid minerals.
Detailed Mineral List:
β Acanthite Formula: Ag2S Description: Occurs as an important mineral. |
β Anglesite Formula: PbSO4 Description: An abundant ore mineral. |
β 'Bindheimite' Formula: Pb2Sb2O6O References: |
β Cerussite Formula: PbCO3 Description: Occurs as an important ore. References: |
β Chlorargyrite Formula: AgCl Description: Occurs as cubes and irregular smears in ore. References: |
β Chlorargyrite var. Bromian Chlorargyrite Formula: Ag(Cl,Br) References: |
β Coronadite Formula: Pb(Mn4+6Mn3+2)O16 References: |
β Cryptomelane Formula: K(Mn4+7Mn3+)O16 References: |
β Galena Formula: PbS Description: Occurs as the most abundant ore mineral in the district. References: |
β Galena var. Silver-bearing Galena Formula: PbS with Ag Description: Occurs as the most abundant ore mineral in the district. References: |
β Hydrozincite Formula: Zn5(CO3)2(OH)6 References: |
β Jarosite Formula: KFe3+3(SO4)2(OH)6 Description: Occurs as a supergene gangue mineral. References: |
β Mimetite Formula: Pb5(AsO4)3Cl Colour: Greenish Description: Occurs as small crystals in ore in commercial quantities in the ore segment without Mn minerals. References: |
β Pyrolusite Formula: Mn4+O2 References: |
β Pyromorphite Formula: Pb5(PO4)3Cl Description: Occurs in commercial quantities in that part of the ore without Mn minerals. References: |
β Sphalerite Formula: ZnS Description: Sparsely disseminated in ores. References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
β | Acanthite | 2.BA.35 | Ag2S |
β | Sphalerite | 2.CB.05a | ZnS |
β | Galena | 2.CD.10 | PbS |
β | var. Silver-bearing Galena | 2.CD.10 | PbS with Ag |
Group 3 - Halides | |||
β | Chlorargyrite | 3.AA.15 | AgCl |
β | var. Bromian Chlorargyrite | 3.AA.15 | Ag(Cl,Br) |
Group 4 - Oxides and Hydroxides | |||
β | Pyrolusite | 4.DB.05 | Mn4+O2 |
β | 'Bindheimite' | 4.DH.20 | Pb2Sb2O6O |
β | Coronadite | 4.DK.05a | Pb(Mn4+6Mn3+2)O16 |
β | Cryptomelane | 4.DK.05a | K(Mn4+7Mn3+)O16 |
Group 5 - Nitrates and Carbonates | |||
β | Cerussite | 5.AB.15 | PbCO3 |
β | Hydrozincite | 5.BA.15 | Zn5(CO3)2(OH)6 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
β | Anglesite | 7.AD.35 | PbSO4 |
β | Jarosite | 7.BC.10 | KFe3+3(SO4)2(OH)6 |
Group 8 - Phosphates, Arsenates and Vanadates | |||
β | Mimetite | 8.BN.05 | Pb5(AsO4)3Cl |
β | Pyromorphite | 8.BN.05 | Pb5(PO4)3Cl |
List of minerals for each chemical element
Other Databases
Link to USGS MRDS: | 10076633 |
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Localities in this Region
- California
- Inyo County
- Argus Mts (Argus Range)
- Lookout Mining District (Modoc Mining District)
- Lookout City
- Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John)
- Lookout City
- Lookout Mining District (Modoc Mining District)
- Argus Mts (Argus Range)
- Inyo County
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Antler Foreland BasinBasin
- Basin and Range BasinsBasin
- Mojave DomainDomain
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060270157