| Deposit ID | 10019334 |
|---|---|
| MRDS ID | DC09554 |
| Record type | Site |
| Current site name | Edgar Mine |
| Alternate or previous names | Omer Edgar Mine |
| Geographic coordinates: | -113.17592, 46.49156 (WGS84) |
|---|---|
| Location accuracy | 250(meters) |
| Relative position | ABOUT 5.2 KM NE OF MAXVILLE |
Political divisions (FIPS codes)
Granite(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Maxville(quadrangle 1:24,000 scale)
Philipsburg(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Flint-Rock(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
ST(Federal land areas administered by ST)
| Country | State | County |
|---|---|---|
| United States | Montana | Granite |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 009N | 013W | 36 | E2 OF NE | Montana |
| Commodity | Importance |
|---|---|
| Phosphorus-Phosphates | Primary |
| Materials | Type of material |
|---|---|
| Quartz | Gangue |
| Result | 26.3-29.5% P205, 1.5-5.0% MOISTURE |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Phosphorite | ||||
| Rock unit name | Phosphoria Formation (Retort Member) | ||||
| Rock description | Phosphoria Formation (Retort Member) | ||||
| |||||
| (1) | -113.17592, 46.49156 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Philipsburg Batholith |
| Type of structure | Local |
| Structure description | Princeton Anticline |
| Strike | N 10-15 W |
|---|---|
| Dip | 30-65 NE |
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1935 |
| District name | Douglas Creek (Gird Creek) District |
|---|
| Ownership category | National Forest |
|---|
| Type | Operator |
|---|---|
| Owner | Omar Edgar |
| Year | 1946 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Ap_Grade: ^26.3-29.5% P205 | ||||||||||||||
| |||||||||||||||
| Year | 1952 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | Ap_Grade: ^26.3-29.5% P205 | ||||||||||||||
| |||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Length | 30.48M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC09554 |
USGS BULL 847-D, P. 175-88.
MBMG SPEC PUB 25, P. 7.
USBM RI 6611, P. 59, 65-66.
PARDEE, USGS BULL. 847D USBM RI 6611, P. 65
| Subject category | Comment text |
|---|---|
| Deposit | IT IS 13.7 FT THICK AND COMPOSED OF SANDY PHOSPHATE ROCK, PHOSPHORITE, AND MUDSTONE. IT AVERAGES 23.2% P205. THE HIGH GRADE ORE IS 2.1 FT THICK AND AVERAGES 36.2% P205. THE HANGING WALL IS SANDSTONE AND CHERT AND THE FOOTWAAY IS QUARTZITE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-MAR-1981 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.