| Deposit ID | 10047272 |
|---|---|
| MRDS ID | M242549 |
| Record type | Site |
| Current site name | NBMG Sample Site 2635 |
| Related records | 10198681 |
| Geographic coordinates: | -118.10209, 40.88461 (WGS84) |
|---|---|
| Elevation | 1490 |
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 | 034E | 25 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Hematite | Gangue |
| Quartz | Gangue |
| Result | SAMPLE 2635 OF CRUSHED, RECEMENTED WHITE VEIN QUARTZ WITH GREEN ARSENATE (?) FRACTURE COATING CONTAINS 5% FE, .05% MG, 3% CA, 0.07% TI, 1000 PPM MN, 700 PPM AG, 5000 PPM AS, 150 PPM B, 50 PPM BA, 1 PPM BE, 500 PPM CD, 1500 PPM CU, 15 PPM MO, 10 PPM NI, 10000 PPM PB, 1000 PPM SB 20 PPM V, 10 PPM Y, 3000 PPM ZN, 50 PPM ZR. AA ANALYSIS ALSO SHOWS 0.5 PPM AU. |
|---|
| 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 | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Hornfels |
| Rock unit name | Auld Lang Syne Group |
| Rock description | Auld Lang Syne Group |
| (1) | -118.10209, 40.88461 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Fractures, Slickensides |
| General form | TABULAR |
|---|---|
| Strike | N 25-30 E |
| Dip | 75 E-90 |
| Thickness | 0.61M |
| 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 | M242549 |
TINGLEY, J.V., 1984, NBMG FIELD EXAMINATION, 9/21/84
| Subject category | Comment text |
|---|---|
| Deposit | WORKINGS EXPLORE QUARTZ VEINS ALONG SHEAR ZONES IN DIORITE AND HORNFELS. EASTERN SHAFT IS IN DIORITE; WESTERN SHAFT HAS DIORITE ON EAST WALL, HORNFELS ON WEST. VEINS ARE MOSTLY WHITE QUARTZ, BUT ARE BRECCIATED AND RECEMENTED WITH QUARTZ AND HEMATITE. WALLROCK KAOLINIZED NEAR VEINS. CLOTS OF PALE GREEN CRYSTALLINE MINERAL (ARSENATE?) COAT FRACTURE SURFACES, SLICKENSIDES ON FAULT SURFACES. |
| 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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