| Deposit ID | 10044735 |
|---|---|
| MRDS ID | M232311 |
| Record type | Site |
| Current site name | Keystone Mine |
| Geographic coordinates: | -116.55148, 39.9238 (WGS84) |
|---|---|
| Elevation | 2073 |
Political divisions (FIPS codes)
Eureka(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Walti Hot Springs(quadrangle 1:24,000 scale)
Simpson Park Mountains(quadrangle 1:100,000 scale)
Millett(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Northern Big Smoky Valley(hydrologic unit)
Central Nevada Desert Basins(hydrologic accounting unit)
Central Nevada Desert Basins(hydrologic subregion)
Great Basin(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management NV)
Bureau of Land Management NV BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Nevada | Eureka |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 024N | 048E | 26 | Nevada |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Copper | Secondary |
| Gold | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Garnet | Gangue |
| Quartz | Gangue |
| Model code | 60 |
|---|---|
| USGS model code | 18c |
| Deposit model name | Skarn Zn-Pb |
| Mark3 model number | 22 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Keystone Granodiorite | ||||||||
| Rock description | Keystone Granodiorite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Nevada Formation |
| Rock description | Nevada Formation |
| (1) | -116.55148, 39.9238 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Limestone Is Exposed In Window Of Roberts Mtn. Thrust |
| General form | IRREGULAR |
|---|
| General form | IRREGULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1870 |
| Year of first production | 1925 |
| District name | Roberts District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner |
|---|---|
| Owner | Fred Komp And Ezra Edwards |
| First year | 1962 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M232311 |
ROBERTS, R.J., ET AL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO, NEV, NEV BUREAU OF MINES BULL 64
U.S. BUREAU OF MINES (MILLETT) MILS NO. 157, REFERENCE NO. 3201100010
ROBERTS, R.J. ET AL., (1967).
| Subject category | Comment text |
|---|---|
| Deposit | SULFIDES FORM LENTICULAR PODS IN TACTITE ALONG GRANODIORITE CONTACT. |
| Deposit | THE MINE IS ABOUT ONE MILE NORTHEAST OF WALTI HOT SPRINGS. WORKINGS CONSIST OF TWO ADITS AND SHALLOW SURFACE TRENCHING. THE MINE WAS DISCOVERED IN 1870, A MILL ERECTED IN 1910 OPERATED A SHORT TIME. THE PROPERTY WAS OWNED BY FRED KOMP AND EZRA EDWARDS IN 1962 ; INFO.SRC : 1 PUB LIT; 1 PUB LIT; 4 OTHER SRC |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1980 | Kirkham, Richard A. | Nevada Bureau of Mines and Geology |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.