| Deposit ID | 10048655 |
|---|---|
| MRDS ID | MP00267 |
| MAS/MILS ID | 0530331235 |
| Record type | Site |
| Mineralized Area | Middle Fork Snoqualmie Area |
| Current site name | Pedro Zone |
| Geographic coordinates: | -121.34037, 47.52093 (WGS84) |
|---|---|
| Elevation | 1372 |
| Relative position | ABOUT 0.75 MI SOUTH OF HARDSCRABBLE LAKES |
Political divisions (FIPS codes)
King(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Big Snow Mountain(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)
| Country | State | County |
|---|---|---|
| United States | Washington | King |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 024N | 011E | 36 | SE4 OF SE4 | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Molybdenum | Secondary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Molybdenite | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Result | CHIP SAMPLES YIELDED 0.01-0.86% CU |
|---|
| Model code | 53 |
|---|---|
| USGS model code | 17 |
| Deposit model name | Porphyry Cu |
| Mark3 model number | 4 |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Tonalite |
| Rock unit name | Snoqualmie Batholith;Snoqualmie Batholith |
| Rock description | Snoqualmie Batholith;Snoqualmie Batholith |
| (1) | -121.34037, 47.52093 |
|---|
| Type of structure | Local |
|---|---|
| Structure name | Shear zone |
| Structure description | Northwest-Trending Shear Zones |
| Name | PEDRO ZONE |
|---|---|
| General form | BRECCIA PIPE |
| Length | 182.88M |
| Width | 91.44M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Snoqualmie District |
|---|
| Ownership category | National Wilderness |
|---|---|
| Area name | In Or Near Border Of Alpine Lakes Wilderness In Snoqualmie National Forest |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | MP00267 |
U.S. GEOLOGICAL SURVEY BULLETIN 1542-E, 1989, FIG. 8, P. 93, P. 100; FIG. 11, P. 98.
GUALTIERI AND OTHERS, 1973
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 GIVEN THE INFORMAL NAME OF A BRECCIA PIPE CU DEPOSIT, FOR WHICH THERE IS NO PUBLISHED MODEL. BRECCIA PIPE IS ELLIPTICAL WITH LONG AXIS TRENDING NORTH-NORTHEAST BASED ON MAP IN GUALTIERI AND OTHERS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1993 | Peterson, Jocelyn A. | U.S. Geological Survey | |
| Reporter | 16-FEB-1994 | Thurber | U.S. Bureau of Mines | |
| Updater | 18-MAY-2009 | Causey, J. Douglas | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.