| Deposit ID | 10047768 |
|---|---|
| MRDS ID | M700046 |
| Record type | Site |
| Current site name | Great Excelsior Mine |
| Alternate or previous names | Lincoln Mine, President Mine, Excelsior |
| Related records | 10056232, 10277896 |
| Geographic coordinates: | -121.80596, 48.8987 (WGS84) |
|---|---|
| Elevation | 594 |
| Relative position | 6 MI EAST OF GLACIER; ABOUT 1 MI SOUTHWEST OF PINUS LAKE |
Political divisions (FIPS codes)
Whatcom(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Bearpaw Mountain(quadrangle 1:24,000 scale)
Mount Baker(quadrangle 1:100,000 scale)
Concrete(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Nooksack(hydrologic unit)
Puget Sound(hydrologic accounting unit)
Puget Sound(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Mt. Baker-Snoqualmie National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Washington | Whatcom |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 039N | 008E | 06 | Washington |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Tertiary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Dolomite | Gangue |
| Quartz | Gangue |
| Result | ASSAYS FROM EARLY PRODUCTION: TR-0.08 OZ/TON AU (AVG 0.02-0.03 OZ/TON). IN SOME SAMPLES AG AVG=2.0 OZ/TON. HIGH AU ASSAY FROM RESERVES: 0.54 OZ/TON (AVG 0.09 OZ/TON) |
|---|---|
| Result | HIGH SILVER ASSAY: 117.7 OZ/TON (AVG 3.44 OZ/TON). MILL LEVEL TUNNEL: 0.024 OZ/TON AU, 4.34 OZ/TON AG |
| Result | BLACKSMITH TUNNEL: 0.014 OZ/TON AU, 1.70 OZ/TON AG |
| Result | BIG STOPE: 0.010 OZ/TON AU, 1.73 OZ/TON AG |
| Result | LOWER TUNNEL: TR AU, 0.38 OZ/TON AG. |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Wells Creek Volcanics;Wells Creek Volcanics;Wells Creek Volcanics;Wells Creek Volcanics;Wells Creek Volcanics |
| Rock description | Wells Creek Volcanics;Wells Creek Volcanics;Wells Creek Volcanics;Wells Creek Volcanics;Wells Creek Volcanics |
| (1) | -121.80596, 48.8987 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | West-Plunging Syncline Superimposed On West Limb Of Regional North-Trending Anticline |
| Type of structure | Local |
| Structure description | Strong Shears |
| General form | BRECCIA PIPE, STOCKWORKS |
|---|---|
| Strike | N 5-15 E |
| Dip | 55W |
| Thickness | 82.3M |
| Length | 121.92M |
| Width | 99.06M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1900 |
| Discoverer | W.H. Morton And Others |
| Year of first production | 1903 |
| Year of last production | 1916 |
| District name | Mount Baker District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | In Mount Baker National Forest |
| Type | Owner-Operator |
|---|---|
| Owner | Steelhead Gold |
| First year | 1988 |
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1988 | |||||||||||||||||||||
| Total resources | 2000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 518.16M |
| Overall depth | 99.06M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700046 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 177.
MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 86-87.
MOEN, W.S., 1976, SILVER OCCURENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 160.
GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 26.
DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 557.
MOEN, 1969; HUNTTING, 1956; DERKEY AND OTHERS, 1990
DERKEY AND OTHERS
| Subject category | Comment text |
|---|---|
| Deposit | PROPERTY CONSISTS OF 10 CLAIMS AND 2 FRACTIONS. MAP OF MINE WORKINGS IN MOEN (1969, PL. 7). ; INFO.SRC : 1 PUB LIT |
| Deposit | SEE ALSO MRDS RECORD M700409 |
| Deposit | DEPOSIT IS SULFIDE-CEMENTED BRECCIATED VEINS ALONG A SHEAR ZONE. THE MAIN FRACTURES ARE ABOUT 4,000 FT LONG. DIMENSIONS ARE OF BRECCIATED ZONE. DIP GIVEN IS THAT OF EAST BORDER. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1981 | Caress, Mary E. (Evarts, Russ) | U.S. Geological Survey | |
| Updater | 01-DEC-1991 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.