Lost River Mine

Past Producer in Alaska, United States with commodities Tin, Tungsten, Fluorine-Fluorite, Beryllium, Molybdenum, Lead, Zinc, Copper, Antimony, Arsenic

Geologic information

Identification information

Deposit ID 10000474
MRDS ID A010653
Record type Site
Current site name Lost River Mine
Alternate or previous names Cassiterite Creek
Related records 10257451

Geographic coordinates

Geographic coordinates: -167.16451, 65.47427 (WGS84)
Location accuracy 1000(meters)
Relative position Within 2000 Ft
(click for info)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Tin Primary
Tungsten Primary
Fluorine-Fluorite Tertiary
Beryllium Tertiary
Molybdenum Tertiary
Lead Tertiary
Zinc Tertiary
Copper Tertiary
Antimony Tertiary
Arsenic Tertiary

Comments on the commodity information

  • VERY COMPLEX DEPOSIT WITH SEVERAL TYPES OF ORE IN SEVERAL LOCATIONS. SEVERAL POTENTIAL COMMODITIES. MANY ADDITIONAL ORE MINERALS.

Materials information

Materials Type of material
Beryl Ore
Cassiterite Ore
Chalcopyrite Ore
Chrysoberyl Ore
Fluorite Ore
Galena Ore
Molybdenite Ore
Scheelite Ore
Sphalerite Ore
Stannite Ore
Wolframite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Port Clarence Limestone;
    Rock description Port Clarence Limestone;

Nearby scientific data

(1) -167.16451, 65.47427

Geologic structures

Type of structure Local
Structure description Be-F Deposits Below Thrust

Ore body information

  • General form TABULAR, OTHER
    Depth to top 0M

Controls for ore emplacement

  • In Lost River Mine Sn-W Mineralization Along Greisenized Porphyry Dike

Comments on the geologic information

  • COMPLEX GEOLOGY & MULTIPLE DEPOSIT TYPES WITH DIFFERENT RELATIONS TO COUNTRY ROCK GEOLOGY.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No
Discovery year 1903
Year of first production 1904

Comments on the production information

  • MOST PRODUCTION IN 1940'S & 1950'S. MINOR PRODUCTION OTHER YEARS. W03 PRODUCTION IS PLACER.

Reserves and resources

  • Type In-situ
    Estimate year 1967
    Commodity Subtype Grade units Group Importance Year
    Tin Sn 1.3 wt-pct Tin Major 1967

Comments on the reserve resource information

  • FIRST ORE FIGURE IS COMBINED TONNAGES FOR ALL DEPOSIT AREAS & ALL COMMODITIES

Comments on the workings information

  • EXTENSIVE UNDERGROUND WORKINGS

Comments on development

  • DIAMOND DRILLING TOTALS MORE THAN 50,000 FT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010653

Bibliographic references

  • Deposit

    USGS OFR 81-364, P. A14-A15, B17-B19

  • Deposit

    USGS B 1287, P. 62-84

  • Deposit

    USGS B 1129

  • Deposit

    USGS OFR 75-587, P.

  • Deposit

    ADGGS SPEC REPT 31, P. 42

  • Production

    USGS OFR 81-364

  • Reserve-Resource

    ADGGS SPEC REPT 31 (LINE 1); USGS B 1247 (LINE 2)

General comments

Subject category Comment text
Deposit SEVERAL MINERALIZED AREAS IN ZONE UP TO 2 OR 3 MILES WIDE AND UP TO SEVERAL MILES LONG. DIFFERENT DEPOSIT TYPES REPRESENTED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-84 Elliott, R. L. U.S. Geological Survey
Editor 13-APR-94 Mosier, Dan U.S. Geological Survey