| Deposit ID | 10048441 |
|---|---|
| MRDS ID | MP00028 |
| Record type | Site |
| Current site name | Gold Creek |
| Geographic coordinates: | -121.33536, 47.45482 (WGS84) |
|---|---|
| Elevation | 1143 |
| Location accuracy | 100(meters) |
| Relative position | AREA IS EAST OF ALASKA LAKE |
Political divisions (FIPS codes)
Kittitas(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Chikamin Peak(quadrangle 1:24,000 scale)
Snoqualmie Pass(quadrangle 1:100,000 scale)
Wenatchee(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Yakima(hydrologic unit)
Yakima(hydrologic accounting unit)
Yakima(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Okanogan-Wenatchee 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 | Kittitas |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 023N}023N | 011E}012E | 25,36}27,34 | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Molybdenum | Primary |
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Model code | 53 |
|---|---|
| USGS model code | 17 |
| Deposit model name | Porphyry Cu |
| Mark3 model number | 4 |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Snoqualmie Batholith;Naches Formation |
| Rock description | Snoqualmie Batholith;Naches Formation |
| (1) | -121.33536, 47.45482 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Strong Nw Shearing, Some Ne Fractures |
| General form | STOCKWORK |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | National Wilderness |
|---|---|
| Area name | In Alpine Lakes Wilderness In Wenatchee National Forest |
| Type | Operator |
|---|---|
| Owner | Brameda Resources Ltd. |
| Home office | Vancouver, B.C. |
| First year | 1972 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MP00028 |
GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION FO MINES AND GEOLOGY BULLETIN 58, P. 86-88.
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. 43-44.
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, PLATE 1.
| Subject category | Comment text |
|---|---|
| Deposit | MINERALIZATION IS REALTED TO SATELLITE STOCK OF SNOQUALMIE BATHOLITH. ZONE OF SULFIDE MINERALIZATION COVERS ABOUT 2 SQUARE MI. LOW GRADE CU MINERALIZATION IN VOLCANIC ROCKS, ORTHOCLASE-RICH REPLACEMENT BRECCIAL CONTAINING <0.3-0.8% CU, INCREASED CU VALUES AND ALTERATION IN DEEP DRILL HOLES |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-91 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.