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  3. Mineral Resource Data System (MRDS)

Kelp Bay, Portage Arm Copper Occurrence

Occurrence in Alaska, United States with commodity Copper
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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. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002389
MRDS ID A013307
Record type Site
Current site name Kelp Bay, Portage Arm Copper Occurrence

Geographic coordinates

Geographic coordinates: -134.90419, 57.34333 (WGS84)
Location accuracy 250(meters)
Relative position 1.0 MI. NE OF PORTAGE PT. ON E SHORE OF PORTAGE ARM

Site location context

Political divisions (FIPS codes)

Sitka(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka B-3(quadrangle 1:63,360 scale)

Sitka SE(quadrangle 1:100,000 scale)

Sitka(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)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS I-388, SAMPLE LOC. 16; USGS MF-467, LOC. 61 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 Primary

Materials information

Materials Type of material
Chalcopyrite Ore

Nearby scientific data

(1) -134.90419, 57.34333
ListMap

Economic information

Comments on the geologic information

  • MELANGE (METAMORPHIC ROCKS).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1961
Discoverer Loney And Others

Mining district

District name Chichagof

Land status

Ownership category National Forest

Comments on development

  • SAMPLED FOR USGS I-388 BETWEEN 1956 AND 1961

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit PYRITE AND CHALCOPYRITE IN VEIN QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey
Editor 14-SEP-1994 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.

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.