| Deposit ID | 10042583 |
|---|---|
| MRDS ID | M060423 |
| Record type | Site |
| Current site name | North Lovelock Gypsum Mine |
| Alternate or previous names | Satin Spar Claim, NBMG Sample Site 2718 |
| Related records | 10296024 |
| Geographic coordinates: | -118.37654, 40.19268 (WGS84) |
|---|---|
| Elevation | 1524 |
| Relative position | WEST EDGE HUMBOLDT RANGE |
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lovelock(quadrangle 1:24,000 scale)
Lovelock(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower 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 | Pershing |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 027N | 032E | 22 | Nevada |
| Commodity | Importance |
|---|---|
| Gypsum-Anhydrite | Primary |
| Materials | Type of material |
|---|---|
| Gypsum | Ore |
| Mica | Gangue |
| Quartz | Gangue |
| Result | SAMPLE 2718 OF GYPSUM CONTAINS 0.15 % FE, 0.5 % MG, +20 % CA, 0.05 % TI, 30 PPM MN, 100 PPM BA, 5 PPM CU, 15 PPM- PB, +5000 PPM SR, 20 PPM V, 20 PPM ZR. |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||
| |||
| (1) | -118.37654, 40.19268 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Anticlines; Synclines; Transverse Faults |
| Strike | NW-SE |
|---|---|
| Dip | 20 OR LESS |
| Thickness | 60.96M |
| Length | 965.58M |
| Width | 91.44M |
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| District name | Muttlebury District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | U.S. Gypsum Co. |
| First year | 1984 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060423 |
JOHNSON, M.G.,1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89
JONES, J.C., 1920, GYPSUM DEPOSITS OF THE UNITED STATES (NEVADA): USGS BULL 697
LOUDERBACK, 1904, GYPSUM DEPOSITS IN NEVADA: USGS BULL. 223
LINCOLN, 1923, MINING DISTRICTS AND MINERAL RESOURCES OF NEVADA; NEVADA NEWSLETTER PUBLISHING CO.
PAPKE, K. G., 8 OCT 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS
NBMG STAFF, 1985, NBMG OFR 85-3.
| Subject category | Comment text |
|---|---|
| Deposit | THE MAIN DEPOSIT OCCURS IN A SEQUENCE OF ALTERNATING BEDS OF LIMESTONE AND GYPSUM WITH MINOR SHALE. GYPSUM OCCURS AS BEDS 100 TO 200 FT THICK THAT HAVE BEEN FAULTED TRANSVERSELY. IT OCCURS IN A SEQUENCE OF ALTERNATING BEDS OF LIMESTONE AND GYPSUM. IT IS RELATIVELY PURE, LOOSE, SPONGY AND EFFLORESCENT AT THE SURFACE WITH A FEW LIMESTONE BEDS DEEPER THAN 5 FEET. GYPSUM GRADES INTO ANHYDRITE AT DEPTHS OF 70-140 FEET. OVERALL GYPSUM-ANHYDRITE CONTENT IS ABOUT 77%. DEPOSIT IS BOUNDED ON ALL SIDES BY FAULTS. BASE MAY BE A THRUST FAULT. MOST OF THIS AREA IS ON A STEEP SW-SLOPING SIDE OF A CANYON. GYPSUM IS EXPOSED IN THE FACE OF THE PIT NEAR THE NW- END OF THE OUTCROP. THE ENTIRE FACE CONTAINS WELL-BEDDED GYPS-UM WITH BEDS 0.5-2 INCHES THICK; SOME BEDS ARE FOLDED. BEDS AN-D DISCONTINUOUS BEDS OF MEDIUM-GRAY LIMESTONE ARE PRESENT AND -ARE ABUNDANT IN PLACES. A UNIT OF LIMESTONE PERHAPS 3 FT THICK- IS PRESENT IN THE UPPER PART OF THE FACE. THE UPPER PART OF T-HE RIDGE, ABOVE THE PIT FACE HAS |
| Deposit | DARK COLORED LIMESTONE; THE C-ONTACT OF GYPSUM AND LIMESTONE APPEARS CONFORMABLE. |
| Deposit | LOCATED ON THE MAIN DEPOSIT. PRODUCTION OCCURED IN THE DISTRICT FROM 1893 TO 1913. GYPSUM DEPOSITS HAVE BEEN EXAMINED PERIODICALLY SINCE MAIN DEPOSIT OCCURS IN A SEQUENCE OF ALTERNATING BEDS OF LIMESTONE AND GYPSUM WITH MINOR SHALE. SATIN SPAR, NEVADA PLACER GYPSUM CLAIMS AND POSSIBLY UNNAMED GYPSUM PROSPECT (SEC. 35) ARE ON THE MAIN DEPOSIT THAT HAS BEEN OFFSET PROGRESSIVELY TO THE NORTHWEST BY TRANSVERSE FAULTS. WORKED BY OPEN PIT QUARRIES, EXPLORED BY TUNNELS FROM THE QUARRY FLOORS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1979 | Harner, Joy L. (Roberts, Ralph J.) | Nevada Bureau of Mines and Geology | |
| Updater | 01-JAN-1986 | La Pointe, D.D. (Tingley, J.V.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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