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Tracy Arm Hanging Valley Cu-Mo Occurrence

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

Geologic information

Identification information

Deposit ID 10002416
MRDS ID A013336
Record type Site
Current site name Tracy Arm Hanging Valley Cu-Mo Occurrence
Related records 10113142

Geographic coordinates

Geographic coordinates: -133.50807, 57.95059 (WGS84)
Location accuracy 500(meters)
Relative position 3.4 MI. NE OF TRACY ARM "ELBOW", 0.4 MI. NE OF POINT 3812

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sumdum D-5(quadrangle 1:63,360 scale)

Sitka NE(quadrangle 1:100,000 scale)

Sumdum(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Tracy Arm-Fords Terror Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS B 1525, PLATE 3, LOC. M-4 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Molybdenite Ore
Quartz Gangue

Analytical data

Result 200 PPM CU, 100 PPM MO, USGS B 1525, P. 206

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -133.50807, 57.95059
ListMap

Economic information

Ore body information

  • General form POD

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Juneau

Land status

Ownership category National Forest

Comments on development

  • SAMPLED BY USGS AND USBM IN 1972-1975

Reference information

Bibliographic references

  • Deposit

    USGS B 1525, P. 206, PLATES 1, 3, LOC. M-3 (1984

  • Other Database

    BAG-B-1525-M-4

General comments

Subject category Comment text
Deposit SEVERAL HEAVILY IRON-STAINED QUARTZ PODS PARALLEL FOLIATION OF GNEISS. TRACES OF CHALCOPYRITE AND MOLYBDENITE IN PODS.
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-JUN-87 Niles, L.P. (Huber, D.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.