| Deposit ID | 10003198 |
|---|---|
| MRDS ID | A016003 |
| Record type | Site |
| Current site name | Rapid River Deposit |
| Geographic coordinates: | -167.29979, 65.45037 (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 |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Primary |
| Fluorine-Fluorite Critical | Primary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Tin Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Bertrandite | Ore |
| Cassiterite | Ore |
| Chrysoberyl | Ore |
| Euclase | Ore |
| Galena | Ore |
| Phenacite | Ore |
| Sphalerite | Ore |
| Diaspore | Gangue |
| Hematite | Gangue |
| Mica | Gangue |
| Tourmaline | Gangue |
| Fluorite | Unknown |
| Result | BE CONTENT OF 12 SAMPLES: 0.05%-0.38% |
|---|---|
| Result | SAMPLES ANALYZED FOR F CONTAINED 27.5% AND 27.6%, USGS CIRUCLAR 479, TABLE 6, P. 11. |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -167.29979, 65.45037 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Rapid River Thrust Fault |
| Type of structure | Local |
| Structure description | Beds Intricately Folded And Fractured Beneath Thrust |
| General form | TABULAR ZONES, ELLIPTICAL PIPES |
|---|---|
| Length | 1341.12M |
| Width | 304.8M |
| Development status | Occurrence |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1961 |
| Discoverer | C.L. Sainsbury |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | A016003 |
USGS CIRCULAR 479, P. 5, 9, 11.
USGS BULLETIN 1287, P. 72-74, 76-77, PLATE 4.
USGS PROF. PAPER 933, P. 32-33.
USGS OFR 77-796B, P. 5, LOC. 26.
BAG-MF-426-03
| Subject category | Comment text |
|---|---|
| Deposit | VEINS, VEINLETS AND PIPES OF BANDED FLUORITE-BERYLLIUM ORE IN BRECCIATED AND DOLOMITIZED ARGILLACEOUS LIMESTONE; DEPOSITS ALIGNED ALONG RAPID R. THRUST FAULT OVER 4400 FT BY 1000 FT AREA; DRILLING INDICATED A LOWER THRUST 200-300 FT BELOW THAT LOCALIZED ORE IN A TABULAR ZONE DIPPING ABOUT 20 DEGREES S; ZONES OF HIGH-GRADE FLUORITE-BERYLLIUM MINERALIZATION UP TO 25 FT WIDE FOLLOW FRACTURE ZONES ALSO CONTAINING LENTICULAR LAMPROPHYRE DIKES; SURFACE ORE (EXPLOSED IN TRENCH) CONSISTS OF FLUORITE, DIASPORE, TOURMALINE, WHITE MICA, CHRYSOBERYL AND MINOR AMOUNTS OF HEMATITE, EUCLASE, BERTRANDITE, AND PHENCITE(?); DRILL HOLES INTERCEPTED BERYLLIUM ORES AT DEPTHS OF SEVERAL HUNDRED FEET CONTAINING GALENA, SPHALERITE, AND MINOR CASSITERITE; DEPOSIT GRADES EASTWARD INTO NEARLY BARREN F. GR. SILICA. |
| Deposit | THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE. |
| 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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