| Deposit ID | 10047320 |
|---|---|
| MRDS ID | M242604 |
| Record type | Site |
| Current site name | American Flat Canyon Mine |
| Alternate or previous names | NBMG Sample Sites 1486, 2813 |
| Related records | 10272185 |
| Geographic coordinates: | -118.76821, 40.53795 (WGS84) |
|---|---|
| Elevation | 1900 |
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Juniper Canyon(quadrangle 1:24,000 scale)
Eugene Mountains(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Granite Springs Valley(hydrologic unit)
Truckee(hydrologic accounting unit)
Central Lahontan(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 | 031N | 029E | 19 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Quartz | Gangue |
| Result | SAMPLE 1486 CONTAINED 2% FE, 0.5% MG, 0.1% CA, 0.15% TI, 1000 PPM MN, 2 PPM AG, 2000 PPM AS, 50 PPM B, 1000 PPM BA, 2 PPM BE, 20 PPM CR, 20 PPM CU, 20 PPM LA, 7 PPM MO, 7 PPM NI, 30 PPM PB, 10 PPM SC, 100 PPM V, 50 PPM Y, 70 PPM ZR. SAMPLE 2813 CONTAINS 5% FE, 0.5% MG, 0.2% CA, 0.2% TI, 200 PPM MN, 2 PPM AG, 1000 PPM AS, 30 PPM B, 1000 PPM BA, 2 PPM BE, 15 PPM CR, 50 PPM CU, 50 PPM LA, 15 PPM MO, 10 PPM NI, 100 PPM PB, 7 PPM SC, 50 PPM V, 30 PPM Y, 150 PPM ZR. |
|---|
| Model code | 150 |
|---|---|
| USGS model code | 25c |
| Deposit model name | Epithermal vein, Comstock |
| Mark3 model number | 16 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| (1) | -118.76821, 40.53795 |
|---|
| General form | TABULAR |
|---|---|
| Strike | N 50 E |
| Dip | 90 |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Farrell District; Stonehouse Canyon District; Seven Troughs District (Northern Part) |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner |
|---|---|
| Owner | Homestake Mining Co. |
| First year | 1984 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M242604 |
QUADE, JACK, 4 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS
TINGLEY, J.V., 6 JUN 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.
JOHNSON, M.G., 1977, NBMG BULL 89, PL. I
| Subject category | Comment text |
|---|---|
| Deposit | MINE WORKINGS ARE ALONG N 50 E VERTICAL SHEARED CONTACT OF LAYERED VOLCANIC ROCKS AND GRANODIORITE; LARGE OUTCROP OF FE-OXIDE-STAINED VOLCANIC BRECCIA TO EAST OF MINE AREA. VOLCANICS AND GRANODIORITE ARE FE-OXIDE STAINED AND KAOLINIZED. LAYERING IN VOLCANICS TRENDS N 10 E, 30 SE. SAMPLE 2813 WAS TAKEN FROM N-S VEIN IN LARGEST ADIT. SAMPLE 1486 WAS OF ALTERED RHYOLITE, FE-MN-STAINED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-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.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.