Unnamed Occurrence

Occurrence in Alaska, United States with commodity Tin

Geologic information

Identification information

Deposit ID 10003235
MRDS ID A016052
Record type Site
Current site name Unnamed Occurrence
Alternate or previous names Cassiterite Cr.

Geographic coordinates

Geographic coordinates: -167.15979, 65.47316 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USBM OFR 32-85, FIG. 3, P. 7, LOC. 5-10. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Tin Primary

Comments on the commodity information

  • LEACHABILITY TESTS SHOWED 19.3 - 67.9% OF SN EXTRACTABLE USING 20% HCL

Materials information

Materials Type of material
Cassiterite Ore
Fluorite Gangue
Garnet Gangue
Idocrase Gangue
Magnetite Gangue
Quartz Gangue

Analytical data

Result 10/15 SAMPLES CONTAINED 1600-5100 PPM SN

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Port Clarence
    Rock description Port Clarence
    Stratigraphic age (youngest) Late Ordovician
    Stratigraphic age (youngest) Late Ordovician

Nearby scientific data

(1) -167.15979, 65.47316

Controls for ore emplacement

  • Fracture Controlled

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on development

  • SAMPLED AND ANALYZED BY USBM IN 1982.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A016052

Bibliographic references

  • Deposit

    USBM OFR 32-85, P. 6-10.

General comments

Subject category Comment text
Deposit SURFACE EXPOSURES OF RHYTHMICALLY-BANDED SKARNS; SN OCCURS IN SN-BEARING BORATE MINERALS: LUDWIGITE-VONSENITE, HULSITE-PAIGEITE, NORDENSKIOLCLINE(?).
Deposit SEE ALSO: LOST RIVER MINE ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey