1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Red Diamond Prospect

Occurrence in Alaska, United States with commodity Gold
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10001275
MRDS ID A012001
Record type Site
Current site name Red Diamond Prospect
Alternate or previous names Mammoth
Related records 10160959

Geographic coordinates

Geographic coordinates: -134.34394, 58.22058 (WGS84)
Location accuracy 1000(meters)
Relative position JUST BELOW THE DIVIDE AT THE HEAD OF NEVADA CREEK

Site location context

Political divisions (FIPS codes)

Juneau(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Juneau A-2(quadrangle 1:63,360 scale)

Juneau SE(quadrangle 1:100,000 scale)

Juneau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lynn Canal(hydrologic unit)

Northern 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

  • LOCATION APPROXIMATED FROM USGS OFR 85-, FIG. 1, NO. J204; RED DIAMOND AND MAMMOTH CLAIMS LIE WITHIN 1/4 MI OF EACH OTHER LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • PYRITE IS ONLY METALLIC MINERAL NOTED

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Douglas Island Volcanics;Douglas Island Volcanics
    Rock description Douglas Island Volcanics;Douglas Island Volcanics

Nearby scientific data

(1) -134.34394, 58.22058
ListMap

Economic information

Comments on the geologic information

  • COUNTRY ROCK REPORTED TO BE GREENSTONE AND GREENSTONE SCHIST WITH INTERCALATED BANDS OF SLATE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • RED DIAMOND: 120 FT TUNNEL DRIVEN BEFORE 1906; MAMMOTH: TWO SHORT CROSSCUTS DRIVEN BEFORE 1906

Comments on development

  • PROSPECTED IN EARLY 1900'S

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SEE ALSO: ALASKA TREASURE, JERSEY CITY; PRESENCE OF AU UNCONFIRMED; WORDING IN REPORT PUBLISHED IN USGS BULL 284, P. 39-40 IMPLIES THAT SOME GOLD IS PRESENT; EXTENT OF WORKINGS ALSO INDICATE PROBABLE PRESENCEOF GOLD ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit RED DIAMOND: 36 FT WIDE ZONE IN QUARTZ-MICA SCHIST CONTAINS QUARTZ STRINGERS AND DISSEMINATED PYRITE; SIMILAR, PARALLEL BAND A FEW 100 FT TO THE EAST; MAMMOTH: 2 BANDS OF DISSEMINATED PYRITE AND QUARTZ STRINGERS IN SCHIST; MAY BE CONTINUATION OF RED DIAMOND

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan 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.