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  3. Mineral Resource Data System (MRDS)

Step Gulch Creek Placer

Occurrence in Alaska, United States with commodity Tin
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10003241
MRDS ID A016059
Record type Site
Current site name Step Gulch Creek Placer

Geographic coordinates

Geographic coordinates: -166.18817, 65.89041 (WGS84)
Relative position TRIB. OF CROSBY CR.

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Teller D-3(quadrangle 1:63,360 scale)

Teller NE(quadrangle 1:100,000 scale)

Teller C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Shishmaref(hydrologic unit)

Northern Seward Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USBM RI 5493, FIG. 10, USBM CHURN-DRILL SAMPLE NO. 7. 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 Critical Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Albite Gangue
Ankerite Gangue
Chlorite Gangue
Diopside Gangue
Epidote Gangue
Idocrase Gangue
Limonite Gangue
Oligoclase Gangue
Pyrite Gangue
Tourmaline Gangue
Zoisite Gangue

Analytical data

Result INDICATED GRADE: 0.05 LB SN/CY, REF. 1, TABLE 7, SAMPLE NO. BM-7.

Nearby scientific data

(1) -166.18817, 65.89041
ListMap

Economic information

Ore body information

  • Thickness 3.35M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Port Clarence/Ear Mt.

Land status

Ownership category State

Comments on development

  • USBM CHURN-DRILLING, 1953-54.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VERY SMALL AMOUNTS OF CASSITERITE IN CHURN-DRILL PLACER SAMPLES; INDICATED DEPTH OF MINING SECTION: 11.0 FT INCLUDING 1 FT OF BEDROCK.
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-SEP-1987 Leonard, Kenneth R. (Huber, Donald F.) 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.