| Deposit ID | 10044686 |
|---|---|
| MRDS ID | M232249 |
| Record type | Site |
| Current site name | Emma E Claim |
| Alternate or previous names | Roberts Mining Co., Mill Canyon Mine |
| Related records | 10310460 |
| Geographic coordinates: | -116.56814, 40.19963 (WGS84) |
|---|
Political divisions (FIPS codes)
Eureka(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cortez(quadrangle 1:24,000 scale)
Crescent Valley(quadrangle 1:100,000 scale)
Winnemucca(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Humboldt(hydrologic unit)
Humboldt(hydrologic accounting unit)
Black Rock Desert-Humboldt(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 | 027N | 048E | 21 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||||
| Rock unit name | Mill Canyon Stock | ||||||||
| Rock description | Mill Canyon Stock | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Wenban Limestone |
| Rock description | Wenban Limestone |
| (1) | -116.56814, 40.19963 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Roberts Mtn Thrust |
| General form | TABULAT |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1938 |
| Year of first production | 1938 |
| District name | Cortez District |
|---|
| Ownership category | Federal |
|---|
| Type | Owner |
|---|---|
| Owner | Roberts Mining Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M232249 |
ROBERT RJ, ETAL (1967) GEOLGOY AND MINERAL RESOURCES OF EUREKA CO., NEV. BUR. OF MINES BULL 64
USBM (WINNEMUCCA) MILS NO. 41, REF. NO. 3201100019, MINERAL PROPERTY FILE 37.053
VANDERBURG W.O. (1938) RECONNAISSANCE OF MINING DISTRICTS IN EUREKA CO. NEV., USBM I.C. 7022
GILLULY J. & MASURSKY H. (965) GEOLOGY OF THE CORTEZ QUADRANGLE NEV., USGS BULL 1175
ROBERTS, R.J., ETAL., (1967)
| Subject category | Comment text |
|---|---|
| Deposit | FISSURE VEINS IN SHEAR ZONES |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-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.