| Deposit ID | 10112343 |
|---|---|
| MAS/MILS ID | 0020200017 |
| Record type | Site |
| Current site name | Nigu Bluff |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -156.39036, 68.49149 (WGS84) |
| Elevation | 520 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
North Slope(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Howard Pass B-1(quadrangle 1:63,360 scale)
Howard Pass SE(quadrangle 1:100,000 scale)
Howard Pass(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Colville River(hydrologic unit)
Colville River(hydrologic accounting unit)
Arctic Alaska(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
National Petroleum Reserve - Alaska(National Petroleum Reserve)
National Petroleum Reserve BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State |
|---|---|
| United States | Alaska |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Umiat | 012 S | 019 W | 17 | NWSENE | Alaska |
| Commodity | Importance |
|---|---|
| Barium-Barite Critical | Primary |
| Chromium Critical | Tertiary |
| Zinc Critical | Tertiary |
| Ore Body (1) | -156.39036, 68.49149 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Significant | No |
| Discovery year | 1977 |
| District name | Colville Mining District |
|---|
| Type of mineral rights | Unknown |
|---|---|
| Type of mineral rights | Minerals Only |
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0020200017 |
| Subject category | Comment text |
|---|---|
| Deposit | UNDERLAIN BY DEVONIAN TO CRETACEOUS SEDIMENTARY ROCKS W/ MAFIC INTRUSIONS TIGHTLY FOLDED & OVERTHRUST TO THE NORTH. STRATIGRAPHIC SECTION INCLUDES FINE-GRAINED CLASTIC ROCKS & CHERTS OF THE SIKSIKPUK FORMATION & A MAFIC SILL (OF 26-81) A BUREAU SAMPLE, TAKEN IN 1978, OF A HIGHLY MAGNETIC MAFIC ROCK CONTAINED 2,000 PPM BA, 250 PPM CR, & 95 PPM ZN (BM OF 26-81). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 17-JAN-1991 | Mpm | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.