| Deposit ID | 10098698 |
|---|---|
| MRDS ID | M700215 |
| Record type | Site |
| Current site name | Helen Mine |
| Related records | 10130881 |
| Geographic coordinates: | -123.99879, 48.08312 (WGS84) |
|---|---|
| Elevation | 590 |
| Location accuracy | 1000(meters) |
| Relative position | ABOUT 4 MI WEST-NORTHWEST OF FAIRHOLM., Estimated Near Center N/2 Section |
Political divisions (FIPS codes)
Clallam(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Muller(quadrangle 1:24,000 scale)
Port Angeles(quadrangle 1:100,000 scale)
Victoria(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Hoh-Quillayute(hydrologic unit)
Washington Coastal(hydrologic accounting unit)
Oregon-Washington Coastal(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Olympic National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Washington | Clallam |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 030N | 010W | 21 | NEAR CENTER OF N2 | Washington |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Materials | Type of material |
|---|---|
| Bementite | Ore |
| Result | ASSAYS: 26.38-40.74% MN, 6.62-19.47% FE, 9.07-32.40% SIO2 |
|---|
| Model code | 100 |
|---|---|
| USGS model code | 24c.3 |
| Deposit model name | Volcanogenic Mn, Olympic Peninsula |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Crescent Formation;Crescent Formation |
| Rock description | Crescent Formation;Crescent Formation |
| (1) | -123.99879, 48.08312 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | North Wall Of Limestone Is In Fault Contact With Basalt |
| General form | LENSES |
|---|---|
| Strike | E |
| Dip | STEEPLY SOUTH |
| Thickness | 9.14M |
| Length | 45.72M |
| Width | 9.14M |
| Depth to bottom | 9.14M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | National Forest |
|---|---|
| Area name | In Olympic National Forest |
| Type | Operator |
|---|---|
| Owner | Mel Lewis And K. E. Hopper, Seatle, Wash. |
| First year | 1953 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700215 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 255.
MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OPYMPIC PENINSULA, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, P. 35.
PURDY, C.P., JR., 1954, DIRECTORY OF WASHINGTON MINING OPERATIONS, 1954: WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 23, P. 33.
| Subject category | Comment text |
|---|---|
| Deposit | 2 BEMENTITE ORE BODIES: 30 FT LONG, 6 FT WIDE; 23 FT LONG, 6 FT WIDE. MINERALIZED ROCK NEAR CONTACT OF BASALT AND LIMONITE. RED ARGILLAREOUS LIMESTONE SURROUNDED BY BASALT. WITHIN THE LIMESTONE ARE BOULDER LIKE MASSES OF BROWN TO BLACK MANGANIFEROUS MINERALS ASSOCIATED WITH NODULES OF FERRUGINOUS QUARTZ. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-82 | Lawson, William A. (Evarts, Russell C.) | 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.