| Deposit ID | 10048031 |
|---|---|
| MRDS ID | M700439 |
| Record type | Site |
| Current site name | Silver Star Prospect |
| Geographic coordinates: | -122.28535, 45.73009 (WGS84) |
|---|---|
| Elevation | 503 |
| Location accuracy | 100(meters) |
| Relative position | 10 MI NORTHEAST OF CAMAS; 12.5 MI BY ROAD FROM YACOLT, Probably Accurate Within Claim Area. Location Given Is Near Center W/2 Sec. 23 |
Political divisions (FIPS codes)
Clark(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Larch Mountain(quadrangle 1:24,000 scale)
Vancouver(quadrangle 1:100,000 scale)
Vancouver(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lewis(hydrologic unit)
Lower Columbia(hydrologic accounting unit)
Lower Columbia(hydrologic subregion)
Pacific Northwest(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Washington | Clark |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 003N | 004E | 14,15,22,23 | W2 (23) | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Gold | Primary |
| Silver | Primary |
| Zinc Critical | Primary |
| Lead | Primary |
| Nickel Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Gold | Ore |
| Malachite | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Siderite | Gangue |
| Specularite | Gangue |
| Result | SELECTED SAMPLES (1930): GOAT VEIN: 0.28-0.3 OZ/TON AU, 1.8-2.8 OZ/TON AG, 11.08-18.2% CU, 10.85% ZN |
|---|---|
| Result | ROCK CREEK EXPOSURE: 0.08-0.24 OZ/TON AU, 0.05-2.8 OZ/TON AG, TR-2.32% CU, 0.34-0.4% PB, 3.6-12.8% ZN. MORE THAN 50 SAMPLES ASSAYED BY SILVER STAR MINING CO. (1930'S): 0.02-46.32 OZ/TON AU (AVG 0.11 OX/TON), TR-22.2 OZ/TON AG (AVG 0.76 OZ/TON), 0.16-18.2% CU, 0.15-22.1% ZN. MOEN ESTIMATED AVERAGE CU CONTENT AT 1% CU |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Silver Star Pluton | ||||||||
| Rock description | Silver Star Pluton | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Skamania Volcanics |
| Rock description | Skamania Volcanics |
| (1) | -122.28535, 45.73009 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Fractures |
| General form | VEINS |
|---|---|
| Strike | N24W, N35W, N15E |
| Dip | 80-90,, |
| Thickness | 5.49M |
| Length | 914.4M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Washougal District |
|---|
| Ownership category | State |
|---|
| Type | Operator |
|---|---|
| Owner | Silver Star Mining Co., R. Demott, |
| Home office | Portland, OR |
| First year | 1953 |
| Type of workings | Surface/Underground |
|---|---|
| Length | 107.29M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700439 |
MOEN, W.S., 1977, ST. HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 60, P. 43, 48-50.
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 51.
PHILLIPS, W.M., 1987, GEOLOGIC MAP OF THE VANCOUVER QUADRANGLE, WASHINGTON AND OREGON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 87-10, SCALE 1:100,000.
| Subject category | Comment text |
|---|---|
| Deposit | MINERALIZATION OCCURS IN TWO MAIN AND SEVERAL SMALLER NORTHWEST TRENDING, STEEPLY DIPPING FRACTURE ZONES IN ANDESITE. THE GOAT VEIN IS A QUARTZ-FILLED SHEAR ZONE, 1-18 FT THICK, THAT CAN BE TRACED FOR AT LEAST 3,000 FT. ORE MINERALS ARE DISSEMINATED WITHIN BRECCIATED ROCK. THE OXIDIZED VEIN IS IN SILICIFIED ANDESITE NEAR ITS CONTACT WITH THE SILVER STAR PLUTON. |
| Deposit | MAP OF PROSPECT AND LOCATION MAP AVAILABLE, MOEN, 1977 ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-82 | Caress, Mary E. (Evarts, Russ) | U.S. Geological Survey | |
| Updater | 01-NOV-92 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.