| Deposit ID | 10002672 |
|---|---|
| MRDS ID | A015113 |
| Record type | Site |
| Current site name | My Creek Prospect |
| Related records | 10185890 |
| Geographic coordinates: | -143.24995, 64.09556 (WGS84) |
|---|---|
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Southeast Fairbanks(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Eagle A-5(quadrangle 1:63,360 scale)
Eagle SW(quadrangle 1:100,000 scale)
Eagle(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Alaska(hydrologic region)
Federal lands
BLM(Federal land areas administered by BLM)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Antimony Critical | Primary |
| Iron | Primary |
| Silver | Tertiary |
| Lead | Tertiary |
| Copper | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Magnetite | Ore |
| Malachite | Ore |
| Sphalerite | Ore |
| Stibnite | Ore |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Birch Creek Schist;Birch Creek Schist |
| Rock description | Birch Creek Schist;Birch Creek Schist |
| (1) | -143.24995, 64.09556 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1918 |
| Discoverer | Ted Machette |
| District name | Fortymile |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A015113 |
USGS MF-393 (A-5), LOC. 8
ALASKA DEPT. OF MINES PAMPHLET 2, P. 15, 16, 1943.
USBM REPT. OF INV. 4173, P. 4, 28-30.
USGS BULL. 1246, P. 222.
| Subject category | Comment text |
|---|---|
| Deposit | CALCITE VEINS IN SCHIST NEAR CONTACT WITH GRANITIC ROCKS CONTAIN ARGENTIFEROUS GALENA, SPHALERITE, AND MALACHITE. STIBNITE OCCURS IN WHITE, VUGGY QUARTZ FLOAT TRACABLE FOR 1500 FT. A CONTACT METAMORPHIC DEPOSIT OF MAGNETITE IN RECRYSTALIZED LIMESTONE IS 15 FT. THICK AND CAN BE TRACED ON SURFACE FOR ABOUT 300 FT. |
| 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-APR-87 | Powers, M.T. (Huber, D.F.) | U.S. Geological Survey | |
| Editor | 20-SEP-94 | Mosier, Dan | U.S. Geological Survey | PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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