| Deposit ID | 10042584 |
|---|---|
| MRDS ID | M060424 |
| Record type | Site |
| Current site name | Lovelock Gypsum Mine |
| Alternate or previous names | Nevada Placer Gypsum Claim, NBMG Samples 2716, 2717 |
| Related records | 10271357 |
| Geographic coordinates: | -118.37792, 40.17379 (WGS84) |
|---|---|
| Elevation | 1494 |
| Relative position | 1/2 TO 2 1/2 MI N OF MUTTLEBURY CANYON |
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)
| Country | State | County |
|---|---|---|
| United States | Nevada | Pershing |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 027N | 032E | 27,28 | Nevada |
| Commodity | Importance |
|---|---|
| Gypsum-Anhydrite | Primary |
| Materials | Type of material |
|---|---|
| Gypsum | Ore |
| Mica | Gangue |
| Montmorillonite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | OVERALL GYSUM-ANHYDRITE CONTENT ABOUT 77%.-SAMPLE 2716 CONTAINS 0.1 % FE, 0.2 % MG, +20 % CA, 0.015 % TI, 100 PPM MN, 30 PPM BA, +5000 PPM SR, 20 PPM V. SA-MPLE 2717 CONTAINS 20 % CA, 0.003 % TI, 1500 PPM SR, 15 PPM V. |
|---|
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Plutonic Rock | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -118.37792, 40.17379 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Anticlines; Synclines; Transverse Faults |
| Length | 3218.6M |
|---|---|
| Depth to bottom | 85.34M |
| Development status | Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| District name | Muttlebury District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | U.S. Gypsum Co. And Pacific Coast Building Productions Inc |
| First year | 1984 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060424 |
JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89
JONES, J.C., 1920, GYPUSUM DEPOSITS OF THE U.S. (NEVADA): USGS BULL. 697, P. 139-160
LOUDERBACK, 1904, GYPSUM DEPOSITS IN NEVADA: USGS BULL. 223, P. 112-118
SOUTHERN PACIFIC CO., 1964, MINERALS FOR INDUSTRY-NORTHERN NEVADA AND NORTHWESTERN UTAH, SUMMARY OF GEOLOGICAL SURVEY 1955-1961, V. 1: SAN FRANCISCO, SOUTHERN PACIFIC CO. 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 | CONSIDERABLE GYPSUM WAS QUARRIED AND SHIPPED FROM THE DISTRICT DURING THE PERIOD 1891-93. THERE HAS BEEN INTERMITTENT PRODUCTION SINCE 1891. SOME GYPSUM WAS SHIPPED TO THE WESTERN GYPSUM CO. IN RENO IN 1902-1913. THE CLAIM COVERS MOST OF THE DEPOSIT AND IS 5280 FT. LONG AND 1323 FT. WIDE. IT WAS MINED BY OPEN-PIT QUARRIES AND EXPLORED BY TUNNELS FROM THE QUARRY FLOORS. CLAIM IS MOST LIKELY ON THE SAME MAIN GYPSUM DEPOSIT AS THE SATIN SPAR AND UNNAMED GYPSUM PROSPECT BUT WAS OFFSET PROGRESSIVELY TO THE NORTHWEST BY TRANSVERSE FAULTS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV |
| Deposit | ALTERNATING LAMINAE OF LIMESTONE AND GYPSUM THAT GRADE AT DEPTH TO DOHYDRITE WITH MINOR SHALE.. BEDDED GYPSUM AND ASSOCIATED LIMESTONE OCCUR IN SEVERAL MASSES FOR ABOUT 2 MILES N-S ON WESTERN SIDE OF THE WEST- HUMBOLDT RANGE. ALL THE ROCKS ARE IN THE UPPER PLATE OF THE T-HRUST AND ARE STRUCTURALLY COMPLEX. BEDDING HAS VARIED ATTITUD-ES, ALTHOUGH NORTH DIPS ARE QUITE COMMON, AND BEDDING IS SEVER-ELY CONTORTED LOCALLY. ALTHOUGH THE THICKNESS OF THE MAIN GYPS-UM UNIT CANNOT BE DETERMINED, RECENTLY DRILLED VERTICAL HOLES -REPORTEDLY ENCOUNTERED AS MUCH AS 280 FT OF GYPSUM. THE SURFAC-E OF THE GYPSUM CONSISTS OF A MEDIUM-GREY CRUST SEVERAL INCHES- THICK DEVOID OF VEGETATION. BELOW THIS TO A DEPTH OF ABOUT 12-INCHES SOME VERTICAL BANDING AND VUGS ARE PRESENT INDICATING A- SLIGHT LEACHING OF GYPSUM. SOME OF THE GYPSUM-RICH MATERIAL I-S INDISTINCTLY BEDDED AND QUITE PURE. MORE COMMONLY, HOWEVER, -THE MATERIAL CONSISTS OF WHITE FRIABLE PURE GYPSUM WITH VARIAB-LE AMOUNTS OF LIGHT-GREY HARDER |
| Deposit | ROCK CONTAINING CALCITE AND GY-PSUM IN BEDS LESS THAN 1 INCH THICK. THE IMPURE MATERIAL CONST-ITUTES AS MUCH AS ONE FIFTH BY VOLUME. A FEW UNITS OF LIMESTON-E UP TO 3 FT THICK ARE ALSO PRESENT, AND SEVERAL BODIES OF FIN-E-GRAINED IGNEOUS ROCK WITH DISSEMINATED PYRITE INTRUDE THE GY-PSUM. THE BETTER QUALITY GYPSUM HAS PRACTICALLY NO IRON-STAINI-NG AND HAS MINOR QUARTZ, MICA AND MONTMORILLONITE IMPURITIES. |
| 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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