Johns Hopkins Float No. 2

Occurrence in Alaska, United States with commodities Copper, Silver, Tin, Tungsten
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10136917
MRDS ID A013144
MAS/MILS ID 0021110154
Record type Site
Current site name Johns Hopkins Float No. 2
Alternate or previous names South Side Johns Hopkins Inlet
Related records 10002242

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -137.01152, 58.89722 (WGS84)
Elevation 274
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Fairweather D-4(quadrangle 1:63,360 scale)

Mount Fairweather NE(quadrangle 1:100,000 scale)

Mount Fairweather(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Glacier Bay(hydrologic unit)

Northern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Glacier Bay National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 034 S 050 E 25 SWNWNW Alaska

Commodities

Commodity Importance
Copper Primary
Silver Tertiary
Tin Critical Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Actinolite Unknown
Albite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Epidote Unknown
Goethite Unknown
Muscovite Unknown
Oligoclase Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown
Sericite Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) -137.01152, 58.89722

Economic information

Ore body information

  • Area 1HA
    Field Value
    Type of Orebody #1 OTHER
    Shape of Orebody #1 UNKNOWN
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin UNKNOWN
    Primary Ore Control UNKNOWN
    Degree of Wallrock Alter. UNKNOWN
    Total Surface Area (HA) 1
    Date of Last Modification 830408

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1977

Mining district

District name Juneau District

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category National Wilderness

Reference information

Bibliographic references

  • Deposit

    OF78-494 p. C172, plates 1A, 1B, 2

General comments

Subject category Comment text
Deposit NO ALASKA KARDEX.

Reporter information

Type Date Name Affiliation Comment
Reporter 14-JUL-1995 Wlg U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.