| Deposit ID | 10301870 |
|---|---|
| MAS/MILS ID | 0530590071 |
| Record type | Site |
| Current site name | Sampson |
| Alternate or previous names | Earl, Margaret Mine Project, Spirit Lake |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -122.07729, 46.35791 (WGS84) |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Skamania(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Spirit Lake East(quadrangle 1:24,000 scale)
Mount Saint Helens and Vicinity(quadrangle 1:100,000 scale)
Hoquiam(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Cowlitz(hydrologic unit)
Lower Columbia(hydrologic accounting unit)
Lower Columbia(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Gifford Pinchot National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Washington | Skamania |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 010 N | 006 E | 07,08 | NE (07), SE (08) | Washington |
| Commodity | Importance |
|---|---|
| Copper | Tertiary |
| Gold | Tertiary |
| Iron | Tertiary |
| Lead | Tertiary |
| Molybdenum | Tertiary |
| Silver | Tertiary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Silver | Ore |
| Azurite | Ore |
| Malachite | Ore |
| Tourmaline | Gangue |
| Sphalerite | Unknown |
| Model code | 53 |
|---|---|
| USGS model code | 17 |
| Deposit model name | Porphyry Cu |
| Mark3 model number | 4 |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Quartz Diorite |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate) |
| Main Entrance (1) | -122.07729, 46.35791 |
|---|
| General form | breccia pipes | ||||||
|---|---|---|---|---|---|---|---|
| Area | 60HA | ||||||
| |||||||
| Operation type | Underground |
|---|---|
| Development status | Prospect |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1900 |
| District name | Mount St. Helens |
|---|
| Type of mineral rights | Private Lease |
|---|---|
| Type of mineral rights | Located Claim |
| Type of mineral rights | Patented |
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | Mt. St. Helens Consolidated Mining,As Of 1926 |
| Interest | 100 |
| Home office | Washington |
| Year | 1977 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0530590071 |
WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1, P. 78.
WAS. DIV. MINES AND GEOL. INFO. CIRC. 48, 1973, P. 15.
Moen, W.S., 1977, St. Helens and Washougal Mining Districts of the sourthern Cascades of Washington: Washington Division of Geology and Earth Resources INFO. CIRC. 60, 1977, P. 25.
U.S. BUREAU OF MINES RI 5343, 1957, 16 P.
HILLMAN, C. T., 1970, GEOLOGY OF THE MT. MARGARET-GREEN RIVER AREA, WASHINGTON: M.S. THESIS, MIAMI UNIV., OXFORD, OH.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 14-OCT-92 | Sweeney, Thomas M. | U.S. Bureau of Mines | |
| Updater | 20-MAY-09 | Causey, J. Douglas | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.