| Deposit ID | 10000105 |
|---|---|
| MRDS ID | A010129 |
| Record type | Site |
| Current site name | Rich Hill Mine |
| Alternate or previous names | Ouray Prospect |
| Related records | 10210141 |
| Geographic coordinates: | -132.3393, 55.51917 (WGS84) |
|---|
Political divisions (FIPS codes)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Craig C-2 SE(quadrangle 1:24,000 scale)
Craig NE(quadrangle 1:100,000 scale)
Craig(quadrangle 1:250,000 scale)
Federal lands
Kavilco, Incorporated(ANCSA Village)
ANCSA Village UND(Type of land area)
UND(Federal land areas administered by UND)
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 |
|---|---|
| Copper | Primary |
| Iron | Tertiary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Molybdenite | Ore |
| Epidote | Gangue |
| Garnet | Gangue |
| Pyrite | Gangue |
| Result | HEADS HAD 1.4%-2.0% CU |
|---|---|
| Result | BALANCE IS 1% CU |
| Result | MAGNETITE BODIES ARE 50% FE |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| (1) | -132.3393, 55.51917 |
|---|
| Strike | N77E |
|---|---|
| Dip | 80NE |
| Thickness | 10.67M |
| Length | 30.48M |
| Width | 24.38M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1917 |
| Year of last production | 1928 |
| Year | 1918 |
|---|---|
| Period | 1917-1918 |
| Material | ORE |
| Ore mined | 145mt |
| Accuracy | Accurate |
| Type of workings | Surface/Underground |
|---|---|
| Length | 243.84M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A010129 |
USGS BULL 692, P. 87.
USGS BULL 1090, P. 32, 50, 126-132.
ADGGS SPECIAL REPORT 1, P. 4.
USGS OF 78-869, P. 171-172.
USGS BULL 692, P. 87
| Subject category | Comment text |
|---|---|
| Deposit | LARGEST BODY IS CHALCOPYRITE, WITH LITTLE PYRITE, MOLYBDENITE |
| Deposit | RICHEST ORE HAS BEEN MINED ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-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.