| Deposit ID | 10047327 |
|---|---|
| MRDS ID | M242612 |
| Record type | Site |
| Current site name | Seven Troughs Royal Group ? |
| Alternate or previous names | NBMG Sample Site 1492 |
| Related records | 10232500 |
| Geographic coordinates: | -118.73099, 40.53906 (WGS84) |
|---|---|
| Elevation | 1610 |
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Rocky Canyon(quadrangle 1:24,000 scale)
Eugene Mountains(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Granite Springs Valley(hydrologic unit)
Truckee(hydrologic accounting unit)
Central Lahontan(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 | Pershing |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 031N | 029E | 21 | CENTER | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Barium-Barite Critical | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Result | SAMPLE 1492 CONTAINS 2% FE, 0.2% MG, 1.5% CA, 0.15% TI, 100 PPM MN, 0.5 PPM AG, 2000 PPM AS, 50 PPM B, 5000 PPM BA, 5 PPM BE, 10 PPM CR, 15 PPM CU, 70 PPM LA, 15 PPM MO, 5 PPM NI, 70 PPM PB, 100 PPM SB, 7 PPM SC, 150 PPM SR, 5 PPM V, 50 PPM Y, 200 PPM ZR |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| (1) | -118.73099, 40.53906 |
|---|
| General form | TABULAR |
|---|---|
| Strike | N 65 W |
| Dip | 90 |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Farrell District; Stone House District; Seven Troughs District (Northern Part) |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M242612 |
TINGLEY, J.V., 1984, NBMG FIELD EXAMINATION 7 JUN 84, AND SAMPLE ANALYSIS.
JOHNSON, M.G., 1977, NBMG BULL 89, PL. I.
SHAMBERGER, H.A., 1972, HISTORIC MINING CAMPS OF NEVADA-SEVEN TROUGHS; NEVADA HISTORICAL PRESS.
| Subject category | Comment text |
|---|---|
| Deposit | SHAFT SUNK ON SHEAR ZONE IN KAOLINIZED RHYOLITE. WIDE ZONE WITH FE-OXIDE STAIN, (NO QUARTZ SEEN); FE OXIDE STRINGERS 2-3 IN THICK ALONG SHEAR ZONE. WORKINGS ON HILL TO SOUTH EXPOSE CONTACT BETWEEN TWO RHYOLITE FLOWS; BASE FLOW IS BRECCIATED, MODERATELY OPALIZED NEAR CONTACT. FE OXIDE STAINED UPPER FLOW IS BANDED, FRIABLE, MORE EVEN-TEXTURED-NO SIGNS OF MINERALIZATION. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1985 | La Pointe, D.D. (Tingley, J.V.) | 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.