| Deposit ID | 10107717 |
|---|---|
| MRDS ID | D001648 |
| Record type | Site |
| Current site name | Dutch Miller |
| Alternate or previous names | Middle Fork |
| Related records | 10055926 |
| Geographic coordinates: | -121.2398, 47.55899 (WGS84) |
|---|---|
| Elevation | 1737 |
| Relative position | 12 MI BY TRAIL FROM GOLD MEYER HOT SPRING; AT CHAIN LAKES |
Political divisions (FIPS codes)
King(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Daniel(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 | 013E | 20 | NE4 | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Gold | Secondary |
| Silver | Secondary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Chlorite | Gangue |
| Dumortierite | Gangue |
| Quartz | Gangue |
| Siderite | Gangue |
| Result | ANALYSES SHOW 2->10 OZ/TON AG (GUALTIERI AND OTHERS |
|---|---|
| Result | ALSO OTHER ANALYSES IN THIS REFERENCE) |
| 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, Northern Phase | ||||
| Rock description | Snoqualmie Batholith, Northern Phase | ||||
| |||||
| (1) | Tertiary granitic rocks |
|---|
| Type of structure | Local |
|---|---|
| Structure description | En Echelon Fractures |
| General form | VEINS, BRECCIA ZONE |
|---|---|
| Strike | N40W |
| Dip | 74-80SW |
| Thickness | 9.14M |
| Length | 100.58M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1896 |
| District name | Snoqualmie District |
|---|
| Ownership category | National Wilderness |
|---|---|
| Area name | In Alpine Lakes Wilderness In Snoqualmie National Forest |
| Type | Operator |
|---|---|
| Owner | Mine Evaluation, Inc. |
| First year | 1990 |
| Type | Owner |
|---|---|
| Owner | A. B. Crain Cascade Development Co. |
| Home office | Seattle, WA |
| First year | 1942 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1970 | ||||||||||||||
| Total resources | 1000mt ore | ||||||||||||||
| |||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Length | 100.58M |
| Overall depth | 30.48M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D001648 |
PURDY, C.P., JR., 1951, ANTIMONY OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, P. 160.
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 57
DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 115.
GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 58, P. 81-85.
HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 32.
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. 48.
GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPEIL, 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. 140.
JOSEPH, N.L., 1991, WASHINGTON'S MINERAL INDUSTRY - 1990: WASHINGTON GEOLOGY, V. 19, NO. 1, P. 3-24.
GUALTIERI AND OTHERS, 1973
| Subject category | Comment text |
|---|---|
| Deposit | PROPERTY HAS A HIGH GRADE CU LENS. THERE ARE THREE PARALLEL EN-ECHELON VEINS IN GRANODIORITE, ONE OF WHICH IS REPORTEDLY 18.5 FT WIDE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1975 | Miller, M. H. | U.S. Geological Survey | |
| Updater | 01-APR-1991 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.