| Deposit ID | 10048656 |
|---|---|
| MRDS ID | MP00266 |
| Record type | Site |
| Current site name | Green Ridge Lake Area |
| Geographic coordinates: | -121.45453, 47.54009 (WGS84) |
|---|---|
| Elevation | 1173 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 2.1 MI SOUTHWEST OF SNOQUALMIE LAKE, Estimated At Outlet Of Green Ridge Lake, Which Is Within Anomalous Area |
Political divisions (FIPS codes)
King(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Snoqualmie Lake(quadrangle 1:24,000 scale)
Skykomish River(quadrangle 1:100,000 scale)
Wenatchee(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Snoqualmie(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)
Alpine Lakes Wilderness(Wilderness)
Wilderness FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Washington | King |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 024N | 011E | 30 | SE4 | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Primary |
| Lead | Primary |
| Molybdenum | Primary |
| Zinc Critical | Primary |
| Materials | Type of material |
|---|---|
| Limonite | Gangue |
| Quartz | Gangue |
| Result | 100 PPM CU, 70 PPM PB, 30 PPM MO, 2 PPM AG, AND 300 PPM ZN IN ROCK SAMPLE |
|---|---|
| Result | SILVER DETECTED IN STREAM-SEDIMENT SAMPLE |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Schist | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Snoqualmie Batholith |
| Rock description | Snoqualmie Batholith |
| (1) | -121.45453, 47.54009 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Nw-Trending Shear Zone |
| General form | BRECCIA ZONES |
|---|---|
| Length | 762M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | National Wilderness |
|---|---|
| Area name | In Alpine Lakes Wilderness In Mount Baker-Snoqualmie National Forest |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MP00266 |
GUALTIERI AND OTHERS, 1975
GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPIEL, F.F., 1975, MINERAL RESOURCES OF ADDITIONS TO THE ALPINE LAKES STUDY AREA, CHELAN, KING, AND KITTITAS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 75-3, P. 34, 133.
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. 24.
TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE 1:100,000.
| Subject category | Comment text |
|---|---|
| Deposit | DEPOSIT HAS BEEN TENTATIVELY GIVEN THE INFORMAL NAME OF A BRECCIA PIPE CU DEPOSIT, FOR WHICH THERE IS NO PUBLISHED MODEL. MINERALIZATION SAID TO BE SIMILAR TO THAT IN NEARBY MIDDLE FORK AREA AND PORPHYRY STYLE MINERALIZATION MAY BE PRESENT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-93 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.