| Deposit ID | 10002731 |
|---|---|
| MRDS ID | A015180 |
| Record type | Site |
| Current site name | Boulder Creek Occurrence |
| Related records | 10232965 |
| Geographic coordinates: | -151.08029, 65.13238 (WGS84) |
|---|---|
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Yukon-Koyukuk(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Tanana A-3(quadrangle 1:63,360 scale)
Tanana SE(quadrangle 1:100,000 scale)
Tanana C(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Chromium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Serpentinite |
| (1) | -151.08029, 65.13238 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Hot Springs |
|---|
| Ownership category | State |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A015180 |
USGS MF-371 (A-3), LOC. 4.
| Subject category | Comment text |
|---|---|
| Deposit | SERPENTINIZED ULTRAMATIC ROCK CONTAINS DISSEMINATED GRAINS OF CHROMITE; PIECES OF CHROMITE IN FLOAT ARE AS MUCH AS 6 INCHES IN DIAMETER. |
| Deposit | THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1987 | Powers, M.T. (Huber, D.F.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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