Deposit ID | 10037224 |
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MRDS ID | M031116 |
Record type | Site |
Current site name | Keystone Mine |
Related records | 10221928, 10310512 |
Geographic coordinates: | -115.52278, 35.83639 (WGS84) |
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Elevation | 1463 |
Relative position | 5 MILES DUE WEST FROM GOODSPRINGS, 12 MILES BY ROAD |
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Country | State | County |
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United States | Nevada | Clark |
Meridian | Township | Range | Section | Fraction | State |
---|---|---|---|---|---|
024S | 058E | 19 | Nevada |
Commodity | Importance |
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Gold | Primary |
Copper | Primary |
Silver | Secondary |
Materials | Type of material |
---|---|
Chrysocolla | Ore |
Copper | Ore |
Gold | Ore |
Limonite | Ore |
Result | FINENESS OF THE GOLD 0.920 TO 0.930, UNCOMMONLY PURE |
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Host or associated | Associated | ||||
---|---|---|---|---|---|
Rock type | Plutonic Rock > Granitoid > Granite | ||||
|
Host or associated | Host |
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Rock type | Sedimentary Rock > Carbonate > Dolomite |
(1) | -115.52278, 35.83639 |
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Type | Description | Terms |
---|---|---|
Regional | Large Scale Overthrusts | |
Local | Broad Anticline, Keystone Thrust, Small Underground Faults |
Strike | N |
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Dip | 30 W |
Development status | Past Producer |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
District name | Goodsprings |
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Ownership category | Private |
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Type | Owner |
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Owner | Nevada-Keystone Mining Co. |
First year | 1906 |
Year | 1947 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Period | 1902 - 1947 | ||||||||||||||
Material | AU | ||||||||||||||
Accuracy | Accurate | ||||||||||||||
Description | Cp_Grade: ^.073 Oz/Ton | ||||||||||||||
|
Type of workings | Underground |
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Length | 167.64M |
Overall depth | 164.59M |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | M031116 |
HEWETT, 1931 , GEOLOGY AND ORE DEPOSITS OF GOODSPRINGS QUAD, USGS PROF. PAPER 162 , P. 105 - 107 .
LONGWELL, C. R., PAMPEYAN, E. H., BOWYER, B., ROBERTS, R. J., 1965 , GEOLOGY AND MINERAL DEPOSITS OF CLARK CO. NEV. BUREAU OF MINES, BULL. 62 , P. 191 .
NBMG, 1994, MI-1993
NBMG MI-1993
Subject category | Comment text |
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Deposit | ALSO INCLUDES BAREFOOT MINE AS PART OF THE KEYSTONE GROUP ; INFO.SRC : 1 PUB LIT |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-APR-1979 | Harner, Joy L. (Roberts, Ralph J.) | U.S. Geological Survey | |
Updater | 01-SEP-1994 | Li, Zhiping (Moyer, Lorre A.) | U.S. Geological Survey |