| Deposit ID | 10000803 |
|---|---|
| MRDS ID | A011452 |
| Record type | Site |
| Current site name | Silver Gem Mine |
| Alternate or previous names | I. X. L., Shoup Bay Mining Co., Spanish |
| Related records | 10234081 |
| Geographic coordinates: | -146.62256, 61.1357 (WGS84) |
|---|---|
| Location accuracy | 2000(meters) |
Political divisions (FIPS codes)
Valdez-Cordova(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Valdez A-7(quadrangle 1:63,360 scale)
Valdez SW(quadrangle 1:100,000 scale)
Valdez(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Eastern Prince William Sound(hydrologic unit)
Prince William Sound(hydrologic accounting unit)
South Central Alaska(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
Shoup Bay State Marine Park(State Marine Park)
State Marine Park ST(Type of land area)
ST(Federal land areas administered by ST)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Stibnite | Ore |
| Calcite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | NO DATA ON TENOR |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Siltstone | ||||
| Rock unit name | Valdez Group | ||||
| Rock description | Valdez Group | ||||
| |||||
| (1) | -146.62256, 61.1357 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1910 |
| District name | Port Valdez |
|---|
| Ownership category | State |
|---|
| Type of workings | Underground |
|---|---|
| Name of workings | ADIT |
| Length | 152.4M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A011452 |
USGS BULL 520, P. 123-124
USGS BULL 622, P. 152-153, 157, 179
USGS MF-438, LOC. 11
USGS OFR 80-892B, LOC. 8
BAG-OFR-80-892B-08
| Subject category | Comment text |
|---|---|
| Deposit | QUARTZ STRINGERS AND THIN CRUSHED QUARTZ-CALCITE VEINS WITH FRAGMENTS OF SHEARED COUNTRY ROCK OCCUPYING GENERALLY N W TRENDING FRACTURES;FRACTURE FILLING RANGES FROM 6 IN TO 9 FT, AVERAGING 2.5 FT; LOCAL IMPREGNATIONS OF PYRITE IN COUNTRY ROCK; SILVER GEM AND SHOUP BAY CLAIMS ARE 1/2 MI APART ON THE SAME FISSURE; I. X. L. AND SPANISH CLAIMS ARE ON ANOTHER FISSURE |
| Deposit | QUARTZ LODE DEPOSITS TYPICAL OF PORT VALDEZ DISTRICT; DATA COMBINEDFOR SILVER GEM, SPANISH, SHOUP BAY AND I. X. L. CLAIMS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1985 | Leonard, Kenneth R. (Elliott, R. L.) | U.S. Geological Survey | |
| Editor | 14-APR-1995 | Waller, Nichelle (Mosier, Dan) | U.S. Geological Survey | PUT DIMENSION DATA INTO THE WORKINGS FIELDS FROM THE COMMENTS FIELD. |
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.