| Deposit ID | 10044683 |
|---|---|
| MRDS ID | M232245 |
| Record type | Site |
| Current site name | Falconer |
| Alternate or previous names | Roberts Mining Co. |
| Geographic coordinates: | -116.57231, 40.19102 (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 |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Gold | Tertiary |
| Copper | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||||
| Rock unit name | Mill Canyon Stock (Quartz Monzonite) | ||||||||
| Rock description | Mill Canyon Stock (Quartz Monzonite) | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Wen Band Limestone |
| Rock description | Wen Band Limestone |
| (1) | -116.57231, 40.19102 |
|---|
| General form | IRREGULAR TO TABULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1910 |
| Year of first production | 1925 |
| District name | Cortez District |
|---|
| Ownership category | Federal |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Roberts Mining Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M232245 |
ROBERTS R.J. ETAL (1967) GEOLOGY AND MINERAL RESOURCES OF EUREKA CO., NEV. BUR. OF MINES BULL 64
VANDERBURG W.O. (1938) RECONNASSANCE OF MINING DISTRICTS IN EURKA CO. NEV., USBM 1-6 7022
EMMONS W.H. (1910) RECONNAISSANCE OF MINING DISTRICTS IN EUREKA, LANDER & ELKO COS USGS BULL 408
ROBERTS, R.J. ETAL., 1967.
| Subject category | Comment text |
|---|---|
| Deposit | SILVER-LEAD OREBODIES AS SMALL IRREGULAR REPLACEMENTS AND VEINS COMMONLY PARRALLEL TO BEDDING ALONG CONTACT BETWEEN LIMESTONE AND INTRUSIVE. |
| 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.