| Deposit ID | 10009652 |
|---|---|
| MRDS ID | D002741 |
| Record type | Site |
| Current site name | Glacier Fork |
| Alternate or previous names | Knik River - Glacier Fork |
| Geographic coordinates: | -148.20236, 61.58957 (WGS84) |
|---|---|
| Relative position | SEE LOCATION COMMENTS |
Political divisions (FIPS codes)
Matanuska-Susitna(Borough)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Anchorage C-4(quadrangle 1:63,360 scale)
Anchorage NE(quadrangle 1:100,000 scale)
Anchorage C(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Matanuska(hydrologic unit)
Knik Arm(hydrologic accounting unit)
South Central Alaska(hydrologic subregion)
Alaska(hydrologic region)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Copper | Primary |
| Tungsten Critical | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Scheelite | Ore |
| Quartz | Gangue |
| (1) | -148.20236, 61.58957 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Anchorage |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D002741 | |
| USGS | Alaska Resource Data File | ARDF | AN084 | |
| USGS | Mineral Resources Data System | MRDS | A011648 |
COBB, E.H., 1973, PLACER DEPOSITS OF ALASKA: U.S. GEOLOGICAL SURVEY BULLETIN 1374, 213 P., 1 PLATE.
MACKEVETT, E.M., AND HOLLOWAY, C.D., 1977, MAP SHOWING METALLIFEROUS AND SELECTED NON-METALLIFEROUS MINERAL DEPOSITS IN THE EASTERN PART OF SOUTHERN ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 77-169-A, 99 P., 1 SHEET, SCALE 1:1,000,000.
COBB, E.H., 1979, SUMMARY OF REFERENCES TO MINERAL OCCURRENCES (OTHER THAN MINERAL FUELS AND CONSTRUCTION MATERIALS IN ANCHORAGE QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 79-1095, 184 P.
MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Cobb, E.H., 1975, Tungsten occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resource Map MR-66, 1 sheet, scale 1:250,000.
Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.
| Subject category | Comment text |
|---|---|
| Deposit | ABUNDANT IRREGULAR QUARTZ VEINS FOUND IN IRON-STAINED METASEDIMENTARY ROCKS OF THE LATE CRETACEOUS VALDEZ GROUP AND IN AN ADJACENT TERTIARY QUARTZ DIORITE STOCK. THE QUARTZ VEINS CONTAIN PYRROHOTITE AND SMALL AMOUNTS OF CHALCOPYRITE. ASSAYS OF VEIN AND FLOAT SAMPLES SHOW 0.02 OZ/TON AU AND 0.08 TO 0.26 OZ/TON AG (RICHTER, 1967). |
| Deposit | COBB (1972) ALSO NOTES FOUR LOCALITIES (110, 111, 112, AND 113) SPREAD ALONG GLACIER FORK. THESE ALL APPEAR TO BE STREAM-SEDIMENT SAMPLES THAT CONTAINED SCHEELITE. DEPOSIT DOES NOT APPEAR RICH ENOUGH OR LARGE ENOUGH TO WARRANT FURTHER PROSPECTING (RICHTER, 1967). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1977 | Elliott, James E. | U.S. Geological Survey | ADRF AND MRDS MERGED RECORD |
| Updater | 01-JUL-1998 | Bickerstaff, Damon P. (Huss, S. W.) | U.S. Geological Survey | |
| Editor | 21-JAN-2000 | Mason, George | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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