| Deposit ID | 10047838 |
|---|---|
| MRDS ID | M700163 |
| Record type | Site |
| Current site name | Chicago Prospect |
| Alternate or previous names | Claims: Chicago Nos. 1 and 2, Chicago Northwest Discovery Nos. 1 and 2 |
| Geographic coordinates: | -122.08813, 46.30925 (WGS84) |
|---|---|
| Elevation | 1189 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 1 MI NORTH-NORTHWEST OF META LAKE, Estimated In Nw/4 Sec. 32 Probably Near Southern Adit |
Political divisions (FIPS codes)
Skamania(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Spirit Lake East(quadrangle 1:24,000 scale)
Mount Saint Helens and Vicinity(quadrangle 1:100,000 scale)
Hoquiam(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Cowlitz(hydrologic unit)
Lower Columbia(hydrologic accounting unit)
Lower Columbia(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Gifford Pinchot National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Washington | Skamania |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 010N | 006E | 32,29 | NW4 (32); SW4 (29) | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Gold | Secondary |
| Silver | Secondary |
| Zinc Critical | Tertiary |
| Lead | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Copper | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Result | TWO ASSAYS SHOWED 0.3-2.0% CU, TR-0.1% PB, 0.5-1.8% ZN, 0.11-0.12 OZ/TON AU, 0.04-0.09 OZ/TON AG |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
| Rock unit name | Spirit Lake Pluton | ||||||
| Rock description | Spirit Lake Pluton | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| (1) | -122.08813, 46.30925 |
|---|
| General form | VEIN |
|---|---|
| Thickness | 2.44M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | St. Helens District - Spirit Lake Area |
|---|
| Ownership category | National Monument |
|---|---|
| Area name | In Mount St. Helens National Volcanic Monument In Gifford-Pinchot National Forest |
| Type | Operator |
|---|---|
| Owner | Mining Corp., Ltd., Portland, Oreg. |
| First year | 1902 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700163 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 77.
MOEN, W.S., 1977, ST. HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 60, P. 17, 38-39.
LANDES, HENRY, THYNG, W.S., LYON, D.A., AND ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, V. 1, PT. 2, P. 133-134.
| Subject category | Comment text |
|---|---|
| Deposit | UPPER ADIT, ON CHICAGO NO 1 CLAIM, WAS DRIVEN INTO A 2 FT THICK IRON-OXIDE-RICH GOUGE ZONE. LOWER ADIT INTERSECTS AN 8 FT THICK, SPARSELY MINERALIZED QUARTZ VEIN. |
| Deposit | LOCATION MAP AVAILABLE, MOEN (1977). ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-81 | Caress, Mary E. (Evarts, Russ) | U.S. Geological Survey | |
| Updater | 01-NOV-92 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.