| Deposit ID | 10048654 |
|---|---|
| MRDS ID | MP00265 |
| Record type | Site |
| Current site name | Little Myrtle Lake Area |
| Alternate or previous names | Upper Myrtle Lake, Mudge Claims |
| Geographic coordinates: | -121.37759, 47.55676 (WGS84) |
|---|---|
| Elevation | 1341 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 1.5 MI SOUTH OF LAKE DOROTHY, Estimated From Map In Gualtieri And Others. Location Given Is Probably Within Altered 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)
Skykomish(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 | 23 | W2 | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Quartz | Gangue |
| Result | SAMPLES CONTAIN MAXIMUM OF 0.025% CU |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| Rock unit name | Snoqualmie Batholith | ||||
| Rock description | Snoqualmie Batholith | ||||
| |||||
| (1) | -121.37759, 47.55676 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Northwest-Trending Shear Zones |
| Type of structure | Local |
| Structure description | Shear Zone |
| General form | VEIN |
|---|
| 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 | MP00265 |
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. 136-138.
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 | AREA SAID TO HAVE POTENTIAL FOR THE DISCOVERY OF AG, CU, AND MO AND MAY BE AN EXTENSION OF THE MIDDLE FORK ZONE SYSTEM OF PORPHYRY DEPOSITS |
| 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.