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Ambrose

Prospect in Alaska, United States with commodities Gold, Copper, Lead, Zinc
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Geologic information

Identification information

Deposit ID 10307636
Record type Site
Current site name Ambrose

Geographic coordinates

Geographic coordinates: -130.03175, 55.97977 (WGS84)
Relative position This prospect is known only from U.S. Bureau of Mines (1977) claim records. Its approximate location is at an elevation of about 2000 feet, about 0.1 mile north of Adanac Creek. The site is in section 12, T. 68 S., R. 99 E., of the Copper River Meridian. It corresponds to loc. 7 in Elliott and others (1978). The location is accurate within 0.5 mile.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Copper Primary
Lead Primary
Zinc Primary

Nearby scientific data

(1) -130.03175, 55.97977
ListMap

Comments on the geologic information

  • Geologic Description = The country rocks in the area of this site are Jurassic or Triassic Hazelton Group metagraywacke, slate, and greenstone that are intruded by apophyses of the Eocene Hyder Quartz Monzonite batholith (Buddington, 1929 [B 807]; Smith, 1977). U.S. Bureau of Mines claim records (1977) do not specify the commody(ies) for which this prospect was staked. Its geologic setting, and proximity to other mineral deposits in the Hyder district, however, suggest that they probably include some combination of Cu, Pb, Zn, or Au. No other information about this prospect has been made public.

Economic information

Economic information about the deposit and operations

Development status Prospect

Mining district

District name Hyder

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF KC007

Bibliographic references

  • Deposit

    Buddington, A.F., 1929, Geology of Hyder and vicinity, southeastern Alaska, with a reconnaissance of Chickamin River: U.S. Geological Survey Bulletin 807, 124 p.

  • Deposit

    Smith, J.G., 1973, A Tertiary lamprophyre dike province in southeastern Alaska: Canadian Journal of Earth Sciences, v. 10, p. 408-420.

  • Deposit

    U.S. Bureau of Mines, 1977, Claim map, Ketchikan quadrangle: U.S. Bureau of Mines Map 120, scale 1:250,000.

  • Deposit

    Elliott, R.L., Berg, H.C., and Karl, Susan, 1978, map and table describing metalliferous and selected nonmetalliferous mineral deposits, Ketchikan and Prince Rupert quadrangles, Alaska: U.S. Geological Survey Open-file Report, 78-73-B,17 p., scale 1:250,000.

Comments on the references

  • Primary Reference = U.S. Bureau of Mines, 1977; Elliott and others, 1978

General comments

Subject category Comment text
Deposit Model Name = Vein?

Reporter information

Type Date Name Affiliation Comment
Reporter 28-JUN-99 H.C. Berg U.S. Geological Survey