| Deposit ID | 10093986 |
|---|---|
| MRDS ID | A011382 |
| Record type | Site |
| Current site name | Rock Creek (Molybdenum) |
| Alternate or previous names | Rock Creek Molybdenum, Todd Claims |
| Related records | 10282568 |
| Geographic coordinates: | -143.35953, 62.59775 (WGS84) |
|---|---|
| Relative position | SEE LOCATION COMMENTS |
Political divisions (FIPS codes)
Valdez-Cordova(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Nabesna C-5(quadrangle 1:63,360 scale)
Nabesna NW(quadrangle 1:100,000 scale)
Nabesna(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Copper River(hydrologic unit)
Copper River(hydrologic accounting unit)
South Central Alaska(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
Wrangell-St. Elias National Preserve(National Preserve)
National Preserve NPS(Type of land area)
NPS(Federal land areas administered by NPS)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Molybdenum | Primary |
| Materials | Type of material |
|---|---|
| Molybdenite | Ore |
| Biotite | Gangue |
| Feldspar | Gangue |
| Hornblende | Gangue |
| Quartz | Gangue |
| Host or associated | Associated |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Host or associated | Host | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Pegmatite | ||||||||
| |||||||||
| (1) | -143.35953, 62.59775 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Chistochina |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A011382 | |
| USGS | Alaska Resource Data File | ARDF | NB010 | |
| USGS | Mineral Resources Data System | MRDS | D000307 |
MOFFIT, F.H., 1941, GEOLOGY OF THE UPPER TELLING RIVER DISTRICT, ALASKA: U.S. GEOLOGICAL SURVEY BULLETIN 917-B, P. 115-157.
MOFFIT, F.H., 1954, GEOLOGY OF THE EASTERN PART OF THE ALASKA RANGE AND ADJACENT AREA: U.S. GEOLOGICAL SURVEY BULLETIN 989-D, P. 65-218.
NELSON, A.E., AND OTHERS, 1952, RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN ALASKA: U.S. GEOLOGICAL SURVEY CIRCULAR 348, P. 3.
RICHTER, D.H., 1970, A CORUNDUM OCCURRENCE IN THE EASTERN ALASKA RANGE, ALASKA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 700-C, P. C98-C102.
MATSON, N.A., AND RICHTER, D.H., 1971, GEOCHEMICAL DATA FROM THE NABESNA C-5 QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 71-204, 10 P.
RICHTER, D.H., AND SCHMOLL, 1973, GEOLOGIC MAP OF THE NABESNA C-5 QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY GEOLOGIC QUADRANGLE MAP GQ-1062, SCALE 1:63,360.
RICHTER, D.H., AND OTHERS, 1975, MINERAL RESOURCES MAP OF THE NABESNA QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-655-K, SCALE 1:250,000.
USGS OFR 473, P. 10
BAG-MF-655K-6
| Subject category | Comment text |
|---|---|
| Deposit | BOOKS OF MOLYBDENITE UP TO 1.5 IN IN DIAMETER IN ALKALI PEGMATITE DIKE; DIKE RANGES FROM A FEW IN TO 2 FT IN WIDTH AND CAN BE TRACED FOR 70 FT ON SURFACE; DIKE STRIKES N 20 W AND DIPS 60 SW; PEGMATITE DIKE CUTS GNEISSIC ROCKS OF A JURASSIC-TRIASSIC DIORITE COMPLEX. |
| Deposit | MINOR MO DEPOSIT; PROSPECT INACTIVE SINCE LATE 1930'S. SEE ALSO: ROCK CREEK CORUNDUM PROSPECT (NB011). |
| 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-MAR-1985 | Leonard, Kenneth R. (Elliott, R. L.) | U.S. Geological Survey | ARDF AND MRDS MERGED RECORD |
| Updater | 01-FEB-1997 | Leonard, Kenneth R. (Elliott, R. L.) | U.S. Geological Survey | |
| Editor | 06-MAR-1998 | Mason, George | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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