| Deposit ID | 10088862 |
|---|---|
| MRDS ID | M700379 |
| Record type | Site |
| Current site name | Thunder Creek |
| Alternate or previous names | Dorothy |
| Geographic coordinates: | -120.98927, 48.51982 (WGS84) |
|---|---|
| Elevation | 1402 |
| Relative position | ABOUT 2 MI SOUTHWEST OF MT. LOGAN. ABOUT 1.8 MI NORTHWEST OF PARK CREEK PASS |
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 | W2 | Washington |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Primary |
| Zinc Critical | Primary |
| Copper | Primary |
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Result | SAMPLE ACROSS MINING WIDTH: 10% PB, 4% ZN, 7 OZ/TON AG |
|---|---|
| Result | 2 FT WIDE SAMPLE IN UPPER ADIT 215 FT FROM PORTAL: 5% PB, 4.7% ZN, 0.34% CU, 4.25 OZ/TON AG, 0.01 OZ/TON AU. |
| 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 | ||||
| Rock description | Skagit Gneiss Complex | ||||
| |||||
| (1) | -120.98927, 48.51982 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Tight Folding Along North-Northwest Trending Axes |
| Type of structure | Local |
| Structure description | Fault |
| General form | VEIN IN SHEAR ZONE |
|---|
| 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 Creek Mining Co. |
| First year | 1928 |
| Last year | 1952 |
| Type of workings | Underground |
|---|---|
| Length | 361.19M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700379 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P 232.
MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, V. 1, P. 163.
TABOR, R.W., HARGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF TEH 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 | VEIN, COMPOSED OF BRECCIA CEMENTED BY GOUGE AND ORE MINERALS, AVERAGES 5 IN. WIDE ALONG A FAULT IN DIORITE |
| Deposit | 6 PATENTED CLAIMS: DOROTHY NOS. 1-6, AND A MILLSITE. A TON OR SO OF ORE ON THE TRAIL BELOW THE MINE. ; 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.