| Deposit ID | 10002336 |
|---|---|
| MRDS ID | A013250 |
| Record type | Site |
| Current site name | Lake Elfendahl Copper-Zinc-Lead Occurrence |
| Related records | 10185657 |
| Geographic coordinates: | -136.26121, 57.84054 (WGS84) |
|---|---|
| Location accuracy | 500(meters) |
| Relative position | 1 MI. SE OF HEAD OF LAKE ELFENDAHL |
Political divisions (FIPS codes)
Hoonah-Angoon(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sitka D-7(quadrangle 1:63,360 scale)
Sitka NW(quadrangle 1:100,000 scale)
Sitka W OE(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Central 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)
West Chichagof-Yakobi Wilderness(Wilderness)
Wilderness FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State |
|---|---|
| United States | Alaska |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Zinc Critical | Primary |
| Lead | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Pyrite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1946 |
| Discoverer | D.L. Rossman |
| District name | Chichagof |
|---|
| Ownership category | National Forest |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A013250 |
USGS MF-467, LOC. 14 (1972)
USGS B 1058-E, P. 213, PLATE 12 (1959)
USGS OF 78-450, P. 70 (1978)
BAG-MF-467-14
| Subject category | Comment text |
|---|---|
| Deposit | THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE. |
| Deposit | FISSURE-TYPE QUARTZ VEIN ALONG PERSISTENT FAULT CONTAINS PYRITE, CHALCOPYRITE, SPHALERITE, AND GALENA. PROBABLY CONTAINS GOLD BECAUSE OF PRESENCE OF SPHALERITE AND GALENA, WHICH ARE EXCELLENT INDICATORS IN THIS AREA. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-87 | Leonard, Kenneth R. (Huber, Donald F.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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