Tozimoran Creek Placer

Past Producer in Alaska, United States with commodities Gold, Silver, Lead, Tin

Geologic information

Identification information

Deposit ID 10097544
MRDS ID A015189
Record type Site
Current site name Tozimoran Creek Placer

Geographic coordinates

Geographic coordinates: -152.80453, 65.37541 (WGS84)
Location accuracy 250(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-371, LOC. 16. DEPOSIT ON BENCH ALONG SOUTH SIDE OF CREEK 2,000 FT. DOWNSTREAM FROM ASH CREEK. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Lead Tertiary
Tin Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore
Tourmaline Gangue

Analytical data

Result FINENESS DETERMINATIONS OF 835 AND 895 PARTS PER THOUSAND REPORTED. CHANNEL SAMPLES FROM BENCH INDICATED AVERAGES OF .731 LB. SN AND .0228 OZ. AU PER CU. YD. IN BLOCK 650 FT. LONG AND 80 FT. WIDE.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -152.80453, 65.37541

Comments on the geologic information

  • TWO AGES OF ALLUVIUM. OLDER IN ISOLATED REMNANTS OF BENCHES, ONE OF WHICH CARRIES GOLD AND CASSITERITE. TOURMALINE ACCOMPANIES CASSITERITE IN VEINLETS IN MICACEOUS QUARTZITE PEBBLES. ; MAJOR.UNITS: BEDROCK IS QUARTZ-MICA SCHIST AND MATIC IGNEOUS ROCKS; GRANITE ALSO PRESENT. SEQUENCE THICK.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1902

Mining district

District name Melozitna

Land status

Ownership category State

Comments on development

  • CONSIDERABLE PROSPECTING AND A LITTLE HAND MINING ON REMNANT BENCH DOWNSTREAM FROM ASH CR.. DEPOSIT EXPLORED AND SAMPLED BY THE USBM AND USGS. TOTAL PRODUCTION PROBABLY NO MORE THAN A FEW OUNCES OF GOLD AND A FEW HUNDRED POUNDS OF CASSITERITE CONCENTRATE.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015189

Bibliographic references

  • Deposit

    USGS MF-371 (B-6), LOC. 16

  • Deposit

    USGS OF 239, P. 14-20, 22, 24-32

  • Deposit

    USBM RI 4323

General comments

Subject category Comment text
Deposit A LITTLE GOLD AND CASSITERITE IN BOTTOM 2 FT. OF BENCH GRAVEL; GOLD, BUT NOT CASSITERITE, IN CRACKS IN UPPER 6 IN. OF BEDROCK. A LITTLE GOLD AND CASSITERITE IN UNFROZEN CREEK ALLUVIUM. QUARTZ-CALCITE VEINS IN QUARTZ-MICA SCHIST CONTAIN SOME ARGENTIFEROUS GALENA AND CERRUSSITE. BENCH GRAVEL ABOUT 4 FT. THICK BENEATH 3 FT. OF MUCK. CREEK GRAVEL ABOUT 15 FT. THICK.
Deposit STREAM GRADIENT ABOUT 150 FT. PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-87 Powers, M.T. (Huber, D.F.) U.S. Geological Survey