| Deposit ID | 10088858 |
|---|---|
| MRDS ID | M700366 |
| Record type | Site |
| Current site name | Boston Claims |
| Geographic coordinates: | -121.05593, 48.50038 (WGS84) |
|---|---|
| Elevation | 1753 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 2.3 MI NORTH OF CASCADE PASS. ABOUT 0.8 MI SOUTH-SOUTHEAST OF FORBIDDEN PEAK, Estimated At Head Of Boston Creek Based On Map In Moen |
Political divisions (FIPS codes)
Skagit(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Forbidden Peak(quadrangle 1:24,000 scale)
Mount Baker(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}035N | 013E}014E | 24}19 | S2 (24); S2 (19) | Washington |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Silver | Primary |
| Gold | Secondary |
| Copper | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Grossularite | Gangue |
| Quartz | Gangue |
| Result | 8 IN. CHIP SAMPLE IN ORE ACROSS BACK OF UPPER ADIT ASSAYED: 0.16 OZ/TON AU, 8.4 OZ/TON AG, 0.2% CU, 22.1% PB, 13% ZN |
|---|---|
| Result | 6 FT OF ORE ASSAYED: 0.02 OZ/TON AU, TR AG, 0.4% PB, 1.5% ZN |
| 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 | Eldorado Orthogneiss | ||||
| Rock description | Eldorado Orthogneiss | ||||
| |||||
| (1) | -121.05593, 48.50038 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Tight Folding Along North-Northwest Trending Axes |
| Type of structure | Local |
| Structure description | Some Faulting Across The Vein. |
| General form | VEIN |
|---|---|
| Thickness | 0.2M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of last production | 1895 |
| District name | Cascade District |
|---|
| Ownership category | National Park |
|---|---|
| Area name | In North Cascades National Park |
| Type | Owner |
|---|---|
| Owner | Behrens, Adolph And Sons Estate |
| First year | 1934 |
| Year | 1890 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE AG | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^8.4 Oz/Ton Ag In 8 In. Band | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 28.96M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700366 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 231.
MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 161-162.
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 | A 6-9 FT QUARTZ VEIN IN FOLIATED DIORITE. |
| Deposit | 4 PATENTED CLAIMS ; 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.