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Unnamed (north of Glacier Bay Monument)

Occurrence in Alaska, United States with commodity 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. 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 10002212
MRDS ID A013113
Record type Site
Current site name Unnamed (north of Glacier Bay Monument)

Geographic coordinates

Geographic coordinates: -136.07211, 59.20974 (WGS84)
Relative position This occurrence is at an elevation of approximately 4,000 feet. It is about 0.5 miles north of Peak 6725 on the northern boundary of Glacier Bay National Monument and 6.4 miles, N74W from the summit of Mount Krause. It is shown as location 10 of Cobb (1972 [MF 424]) and location BD 548 of Winkler and MacKevett (1970).

Site location context

Political divisions (FIPS codes)

Haines(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Skagway A-3(quadrangle 1:63,360 scale)

Skagway SE(quadrangle 1:100,000 scale)

Skagway C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chilkat-Skagway Rivers(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Molybdenum Primary

Materials information

Materials Type of material
Molybdenite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -136.07211, 59.20974
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Samples BD 548A and BD 548B of Winkler and MacKevett (1970) are described as 'Biotite granodiorite (?) with molybdenite disseminations'. Sample BD 548B contained 15 ppm Mo. The Cretaceous age of the host intrusive (Gilbert, 1988) establishes a maximum age for the deposit.
  • Age = The age is Cretaceous or younger, based upon the age of the host intrusive (Gilbert, 1988).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Juneau (Skagway subdistrict)

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Winkler and MacKevett, 1970

General comments

Subject category Comment text
Deposit Model Name = This is only an occurrence and there is very little information on it. The mineralization may be related to a porphyry copper system. The description from Winkler and MacKevett (1970) appears to be too mafic an association for a Climax type Mo deposit.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-FEB-2001 T.C. Crafford T. Crafford & Associates

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.