| Deposit ID | 10000234 |
|---|---|
| MRDS ID | A010271 |
| Record type | Site |
| Current site name | Pieper's Purple Prospect |
| Geographic coordinates: | -132.15733, 54.90806 (WGS84) |
|---|---|
| Elevation | 366 |
Political divisions (FIPS codes)
Prince of Wales-Hyder(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Dixon Entrance D-1(quadrangle 1:63,360 scale)
Dixon Entrance(quadrangle 1:100,000 scale)
Dixon Entrance(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Prince of Wales(hydrologic unit)
Southern Southeast Alaska(hydrologic accounting unit)
Southeast Alaska(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
Tongass National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Uranium | Primary |
| Fluorine-Fluorite Critical | Primary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite > Peralkaline Granite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock |
| (1) | -132.15733, 54.90806 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discoverer | Paul Pieper |
| District name | Ketchikan District |
|---|
| Ownership category | National Forest |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A010271 |
USGS BULLETIN 1154, P.93
USGS OPEN FILE 78-863, P. 6-8
| Subject category | Comment text |
|---|---|
| Deposit | VEINLETS A FEW MILLIMETERS THICK IN DIKE ARE RICH IN FLUORITE AND HAVE WEAK ANOMALOUS RADIOACTIVITY |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1983 | Hirschmann, M. M. (Elliott, R. L.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.