| Deposit ID | 10098456 |
|---|---|
| MRDS ID | M055411 |
| Record type | Site |
| Current site name | Silica Mine |
| Alternate or previous names | My Pal Group, NBMG Sample Site 2545 |
| Related records | 10174225 |
| Geographic coordinates: | -118.00402, 40.05851 (WGS84) |
|---|---|
| Elevation | 1402 |
| Relative position | 1 MI. N OF GREEN GOLD MINE |
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Cornish Peak(quadrangle 1:24,000 scale)
Lovelock(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Dixie 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 | Pershing |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 025N | 035E | 02 | Nevada |
| Commodity | Importance |
|---|---|
| Silica | Primary |
| Mercury | Tertiary |
| Materials | Type of material |
|---|---|
| Cristobalite | Ore |
| Opal | Ore |
| Clay | Gangue |
| Sericite | Gangue |
| Result | SAMPLE 2545 CONTAINS 2 % FE, 0.02 % MG, 1 % CA, 0.2 % TI, 10 PPM AG, 50 PPM B, 700 PPM BA, 20 PPM CR, 50 PPM CU, 5 PPM NI, 30 PPM V, 200 PPM ZR, AND +5.0 PPM HG. THE SAMPLE WAS CHIPPED FROM PIT OF SHALES AND ACID-LEACHED ROCK. |
|---|
| Model code | 177 |
|---|---|
| USGS model code | 27a |
| Deposit model name | Hot-spring Hg |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff |
| (1) | -118.00402, 40.05851 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Table Mountain District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner |
|---|---|
| Owner | Asarco Claim Block |
| First year | 1984 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M055411 |
WALLACE ET AL., 1969, GEOLOGIC MAP OF THE BUFFALO MTN. QUAD., PERSHING AND CHURCHILLOUNTIES, NEVADA; USGS MAP GQ-821.
BAILEY, E.H., RYTUBA, J.J., AND JONES, R.B., 1984, UNPUBLISHED DATA ON HG DEPOSITS OF NEVADA.
BONHAM, H.F., 12 SEP 84, NBMG FIELD EXAMINATION REPORT AND SAMPLE ANALYSIS.
JOHNSON, M.G., 1977, NBMG BULLETIN 89.
| Subject category | Comment text |
|---|---|
| Deposit | POSSIBLY HOT-SPRINGS DEPOSIT. NE-TRENDING ACID-LEACHED ZONE IN MESOZOIC SHALES APPEARS TO PARALLEL RANGE-FRONT. SOME FRAGMENTS OF ACID-LEACHED GRANITE SEEN ON DUMP, BUT NOT IN PLACE. ACID-LEACHED ROCK APPEAR TO CONSIST OF CRISTOBALITE? AND OPAL GRADING INTO SERICITE AND CLAYS, SOME FE OXIDE LOCALLY AND IN THE WHITE TUFF ARE VERTICAL ZONES OF SILICIFICATION, ALTERATION, AND FE-MN STAIN. PANNING OF A FEW SAMPLES GRABBED FROM VARIOUS POINTS IN THE WALLS OF THE MAIN SILICA PITS, INCLUDING THE MAIN ALTERED ZONES FAILED TO YIELD ANY CINNABAR. HOWEVER A SAMPLE TAKEN IN ONE OF THE SMALLER NORTHERN CUTS EXCAVATED IN REDDISH, SHALY PHYLLITE YIELDED MORE THAN 50 GRAINS OF CINNABAR ON PANNING. |
| Deposit | POSSIBLY A HOT SPRING DEPOSIT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1975 | Gassaway, Judith S. | Nevada Bureau of Mines and Geology | |
| Updater | 01-FEB-1987 | La Pointe, D.D. | Nevada Bureau of Mines and Geology | |
| Updater | 01-SEP-1994 | Li, Zhiping (Peters, S.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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