| Deposit ID | 10047270 |
|---|---|
| MRDS ID | M242546 |
| Record type | Site |
| Current site name | J.B.J Claims |
| Alternate or previous names | NBMG Sample Site 2627 |
| Geographic coordinates: | -118.09515, 40.91239 (WGS84) |
|---|---|
| Elevation | 1350 |
Political divisions (FIPS codes)
Humboldt(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pronto(quadrangle 1:24,000 scale)
Eugene Mountains(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 | Humboldt |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 035N | 035E | 18 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Lead | Secondary |
| Copper | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Biotite | Gangue |
| Hematite | Gangue |
| Quartz | Gangue |
| Result | SAMPLE 2627 OF VEIN MATERIAL CONTAINS 3% FE, 0.5% MG, 0.5% CA, 0.1% TI, 500 PRM MN, 200 PPM AG, +10000 PPM AS, 50 PPM B, 70 PPM BA, 150 PPM CD, 100 PPM CU, 5 PPM MO, 7 PPM NI, 20000 PPM PB, 500 PPM SB, 300 PPM SR, 20 PPM V, 1000 PPM ZN, 15 PPM ZR. AA ANALYSIS INDICATES 0.8 PPM AU ALSO. |
|---|
| Model code | 273 |
|---|---|
| USGS model code | 36a |
| Deposit model name | Low-sulfide Au-quartz vein |
| Mark3 model number | 27 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Hornfels |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Rock unit name | Auld Lang Syne Group |
| Rock description | Auld Lang Syne Group |
| (1) | -118.09515, 40.91239 |
|---|
| General form | TABULAR |
|---|---|
| Strike | N 30 E |
| Dip | 90 |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Mill City District (Central District) |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M242546 |
TINGLEY, J.V., NBMG FIELD EXAMINATION, 9/20/84
| Subject category | Comment text |
|---|---|
| Deposit | OLD WORKINGS FOLLOW SHEAR ZONE CUTTING PAPER SHALE AND HORNFELS. FE OXIDE STAINING ALONG BEDDING, BUT ROCK IS NOT HIGHLY ALTERED. 1.5-2 FT THICK CRUSHED ZONE WITH 3-6 INCH VUGGY RUSTY-APPEARING QUARTZ ALONG THE EAST WALL. VUGS IN VEIN QUARTZ CONTAIN CLEAR QUARTZ CRYSTALS, SOME PYRITE, CHALCOPYRITE, GREEN CU OXIDE MINERALS PRESENT. 2 OTHER PARALLEL SHEAR ZONES ARE TO THE EAST OF THE SAMPLE SITE. THE EASTERN MOST ZONE SEEMS TO BE ALONG A N 25 E DIORITE DIKE WHOSE CONTACT ZONE IS SILICIFIED. DIKE AND ADJACENT WALL ROCKS ARE KAOLINIZED; DIKE HAS MNO AND FEOX POINTS. VEIN AT SAMPLE SITE IS PEGMATITIC, COMPOSED OF WHITE FELDSPAR, QUARTZ AND SOME BIOTITE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1985 | La Pointe, D.D. (Tingley, J.V.) | 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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