| Deposit ID | 10088848 |
|---|---|
| MRDS ID | M700277 |
| Record type | Site |
| Current site name | Thunder Mountain Claims |
| Geographic coordinates: | -120.98038, 48.5251 (WGS84) |
|---|---|
| Elevation | 1646 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 1.5 MI SOUTHWEST OF MOUNT LOGAN., Estimated From Map In Moen In Northern Part Of Projected Sec. 15 |
Political divisions (FIPS codes)
Skagit(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Logan(quadrangle 1:24,000 scale)
Robinson Mountain(quadrangle 1:100,000 scale)
Concrete(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Skagit(hydrologic unit)
Puget Sound(hydrologic accounting unit)
Puget Sound(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
NPS(Federal land areas administered by NPS)
| Country | State | County |
|---|---|---|
| United States | Washington | Skagit |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 035N | 014E | 15,22,29 | Washington |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Copper | Primary |
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Result | SAMPLES FROM SHEAR ZONES ASSAYED 6.82-29.34 OZ/TON AG, 0.3-4% CU, 0.4-18.7% PB, 0.4-14% ZN. SELECT HIGH-GRADE SAMPLES OF GALENA ASSAYED 151 OZ/TON AG, 55.5% PB. |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Skagit Gneiss Complex;Cascade Pass Dike |
| Rock description | Skagit Gneiss Complex;Cascade Pass Dike |
| (1) | -120.98038, 48.5251 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Tight Folding Along North-Northwest Trending Axes |
| General form | VEIN IN SHEAR ZONES |
|---|---|
| Thickness | 1.83M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Thunder Creek District |
|---|
| Ownership category | National Park |
|---|---|
| Area name | In North Cascades National Park |
| Type | Owner |
|---|---|
| Owner | Thunder Mountain Mines, Inc., Lacy, Wa. |
| First year | 1965 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700277 |
MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 160-161.
MOEN, W.S., 1969, DIRECTORY OF WASHINGTON MINING OPERATIONS 1967-1968: WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 44, P. 20. (SEE ALSO IC 43, P. 19)
TABOR, R.W., HARGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN -FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).
| Subject category | Comment text |
|---|---|
| Deposit | 1-6 FT THICK MINERALIZED SHEAR ZONES IN GNEISS AND DIORITE. |
| Deposit | SMALL TEST SHIPMENT UNKNOWN DATE. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-82 | Lawson, William A. (Evarts, Russell C.) | U.S. Geological Survey | |
| Updater | 01-MAR-91 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.