| Deposit ID | 10047984 |
|---|---|
| MRDS ID | M700364 |
| Record type | Site |
| Current site name | Alta Claim |
| Geographic coordinates: | -121.06454, 48.50288 (WGS84) |
|---|---|
| Elevation | 1951 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 0.6 MI SOUTHWEST OF FORBIDDEN PEAK, Estimated In Projected Section |
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 | 013E | 24 | Washington |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Primary |
| Zinc Critical | Primary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| 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) | -121.06454, 48.50288 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Shear Zone |
| General form | VEIN IN SHEAR ZONE |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Cascade District |
|---|
| Ownership category | National Park |
|---|---|
| Area name | In North Cascades National Park |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700364 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 231.
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 CROSS VEIN OF THE BOSTON VEIN: QUARTZ VEIN IN SHEAR ZONE IN GNEISS NEAR DIORITE CONTACT. |
| Deposit | 4 CLAIMS: ALTA MONTREAL, HELNA BUTTE, CERRICO (RECORD NO. 700365). BOSTON VEIN IS RECORD NO. M700366. ; INFO.SRC : 1 PUB LIT |
| Deposit | SEE ALSO MRDS RECORD M700365 |
| 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.