| Deposit ID | 10003203 |
|---|---|
| MRDS ID | A016011 |
| Record type | Site |
| Current site name | Dolcoath Dike |
| Geographic coordinates: | -167.15452, 65.48649 (WGS84) |
|---|
Political divisions (FIPS codes)
Nome(Census area)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Teller B-5(quadrangle 1:63,360 scale)
Teller SE(quadrangle 1:100,000 scale)
Teller(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Imuruk Basin(hydrologic unit)
Norton Sound(hydrologic accounting unit)
Northwest(hydrologic subregion)
Alaska(hydrologic region)
Federal lands
Diomede Native Corporation(ANCSA Village)
ANCSA Village NTVPIC(Type of land area)
NTVPIC(Federal land areas administered by NTVPIC)
| Country | State |
|---|---|
| United States | Alaska |
| Materials | Type of material |
|---|---|
| Cassiterite | Ore |
| Chlorite | Gangue |
| Danburite | Gangue |
| Labradorite | Gangue |
| Mica | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Topaz | Gangue |
| Tourmaline | Gangue |
| Fluorite | Unknown |
| Result | UP TO 1.15% SN REPORTED |
|---|
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Porphyry |
| Rock unit name | Dolcoath Dike; |
| Rock description | Dolcoath Dike; |
| (1) | -167.15452, 65.48649 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Dike Offset By Major Fault To The W Of Mineralized Portion |
| Strike | N 50 DEGREES - 60 DEGREES E |
|---|---|
| Dip | 65-70 DEGREES N |
| Thickness | 7.62M |
| Length | 2133.6M |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Type of workings | Underground |
|---|---|
| Length | 30.48M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A016011 |
USGS BULLETIN 358, P. 51-52.
USGS BULLETIN 733, P. 76-78.
USGS BULLETIN 1129, P. 55-56.
BAG-MF-426-08
| Subject category | Comment text |
|---|---|
| Deposit | HIGHLY ALTERED, METALLIZED DIKE TRACED FOR ABOUT 7000 FT ALONG N SLOPE OF CASSITERITE CR.; MAINLY LABRADORITE AND QUARTZ IN FINE GRAINED MATRIX WITH TOURMALINE, MICA, DANBURITE, CHLORITE, PYRITE, ARSENOPYRITE, MICROCRYSTALLINE CASSITERITE AND TOPAZ; LIMESTONE WALL ROCK CONTACT METAMORPHOSED AND MINERALIZED WITH DANBURITE, FLUORITE, TOPAZ, ARSENOPYRITE, CASSITERITE AND TOURMALINE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1987 | Leonard, Kenneth R. (Huber, Donald F.) | U.S. Geological Survey | |
| Editor | 20-SEP-1994 | Mosier, Dan | U.S. Geological Survey | PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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