| Deposit ID | 10045080 |
|---|---|
| MRDS ID | M232741 |
| Record type | Site |
| Current site name | Dry Hills Manganese Prospect |
| Alternate or previous names | NBMG Sample Site 2620 |
| Geographic coordinates: | -117.22763, 41.25767 (WGS84) |
|---|---|
| Location accuracy | 1000(meters) |
| Relative position | 50 MILES NE OF WINNEMUCCA |
Political divisions (FIPS codes)
Humboldt(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dry Hills North(quadrangle 1:24,000 scale)
Osgood Mountains(quadrangle 1:100,000 scale)
McDermitt(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Little Humboldt(hydrologic unit)
Humboldt(hydrologic accounting unit)
Black Rock Desert-Humboldt(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Nevada | Humboldt |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 039N | 042E | 10 | SE OF SE | Nevada |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Barium-Barite Critical | Tertiary |
| Copper | Tertiary |
| Vanadium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Pyrolusite | Ore |
| Quartz | Gangue |
| Result | NBMG SAMPLE 2620 OF MNO-RICH JASPEROID, PYROLUSITE, LACED WITH SILICA VEINLETS, A WHITE QUARTZ MICROBRECCIA CEMENT-ED WITH PYROLUSITE AND CLEAR QUARTZ, HAVING SOME VUGS LINED WI-TH CLEAR QUARTZ CRYSTALS, CONTAINS 2 % FE, 0.2 % MG, 0.3 % CA,- 0.02 % TI, +5000 PPM MN, 5 PPM AG, 50 PPM B, +5000 PPM BA, 15-0 PPM CO, 500 PPM CU, 15 PPM MO, 150 PPM NI, 20 PPM PB, 150 P-PM SN, 500 PPM SR, 700 PPM V, 200 PPM ZN, 20 PPM ZR. |
|---|
| Model code | 97 |
|---|---|
| USGS model code | 24c |
| Deposit model name | Volcanogenic Mn |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Argillite |
| (1) | -117.22763, 41.25767 |
|---|
| General form | LENSES, PODS, STRINGERS |
|---|---|
| Strike | N20W |
| Dip | 90 |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Potosi District |
|---|
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M232741 |
WILLDNE, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT COUNTY, NEV; NEV. BUREAU OF MINES BULL. 59
HOTZ, P.E., AND WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MOUNTAINS QUADRANGLE; U.S.G.S. PROF. PAPER 431.
NBMG STAFF, 1985, NBMG OFR 85-3
TINGLEY, J. V., 7 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.
| Subject category | Comment text |
|---|---|
| Deposit | LENSES AND STRINGERS OF PYROLUSITE ALONG BEDDING IN SILICIFIED CHERT AND ARGILLITE. N20W VERTICAL SHEAR ZONE CUTS -N20E BEDDING, N20E STEEP FRACTURE ZONE. MANGANESE OXIDES AND B-LACK TO BROWN JASPEROID APPEAR TO BE ASSOCIATED WITH THE NW ST-RUCTURE AS MOST BEDDING REPLACEMENT OCCURS ALONG IT; ROCK IN A-REA OF STRUCTURAL INTERSECTION LACED WITH SILICA VEINLETS. MAS-SIVE PODS OF JASPEROID OCCUR IN EAST WALL OF PIT; SOFTER, GOSS-ANY MNO REPLACEMENT ALONG BEDDING TO WEST OF JASPEROID. IT IS -POSSIBLE THAT THE JASPEROID FORMED ALONG THE STEEP FAULT INTER-SECTION. CRYSTALLINE PYROLUSITE COATS FRACTURES IN JASPEROID; -ROCKS IN DUMPS APPEAR TO BE MASSIVE PYROLUSITE, BUT ONLY SURFA-CE COATING IS PRESENT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-81 | La Pointe, D.D. | Nevada Bureau of Mines and Geology | |
| Updater | 01-MAR-86 | 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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