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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Sanjo

Prospect in Alaska, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10003543
MRDS ID A106301
Record type Site
Current site name Sanjo
Alternate or previous names Sanjo Claims, Seven Sisters

Geographic coordinates

Geographic coordinates: -147.52275, 62.96962 (WGS84)
Relative position On creek 4 mi (6.4 km) NW of Coal Lake; location accurate to within 1/2 mi (800 m).

Site location context

Political divisions (FIPS codes)

Matanuska-Susitna(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Talkeetna Mountains D-2(quadrangle 1:63,360 scale)

Talkeetna Mountains NE(quadrangle 1:100,000 scale)

Talkeetna Mountains(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Susitna River(hydrologic unit)

Susitna River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Nearby scientific data

(1) -147.52275, 62.96962
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Alluvial deposits.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Valdez Creek

Comments on the workings information

  • Workings / Exploration = Placer claims staked in 1980.

Reference information

Bibliographic references

  • Deposit

    Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez Creek mining district, south-central Alaska: U.S. Bureau of Mines Open-File Report 1-92, 659 p., 2 plates, scale 1:250,000.

Comments on the references

  • Primary Reference = Kurtak and others, 1992

General comments

Subject category Comment text
Deposit Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Deposit Other Comments = Analysis of stream-sediment sample yielded 0.001 oz/yd3 Au (Kurtak and others, 1992).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1996 Riehle, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.