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

Treasury Hill Prospect

Occurrence in Alaska, United States with commodities Gold, Lead
Map
XML
JSON
KML
B

Geologic information

Identification information

Deposit ID 10001283
MRDS ID A012013
Record type Site
Current site name Treasury Hill Prospect
Alternate or previous names Spaulding Prospect, Auk Group, Gold Knob, Shooting Star
Related records 10112374

Geographic coordinates

Geographic coordinates: -134.67008, 58.41725 (WGS84)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • SEE: USGS BULL 502, PLATE 2, LOC. 19 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
Lead Secondary

Comments on the commodity information

  • ARSENOPYRITE IS MAJOR SULFIDE

Materials information

Materials Type of material
Galena Ore
Albite Gangue
Calcite Gangue
Chlorite Gangue
Pyrite Gangue
Quartz Gangue
Sericite Gangue

Analytical data

Result APPARENTLY BARREN VEIN MATERIAL CONTAINS UP TO 4 PPM AU, ALTERED DIKE ROCK CONTAINS ABOUT 1-2 PPM AU, USGS OFR 85-717, P. 153

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Treadwell Slate;Treadwell Slate;Treadwell Slate
    Rock description Treadwell Slate;Treadwell Slate;Treadwell Slate
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro

Nearby scientific data

(1) -134.67008, 58.41725
ListMap

Ore body information

  • Width 15.24M
    Length 243.84M

Comments on the geologic information

  • DEPOSIT IS IN ALTERED GABBRO DIKE CUTTING SLATE, GREENSTONE AND GREENSCHIST COUNTRY ROCK OF THE CRETACEOUS TO JURASSIC TREADWELL SLATE

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1908

Mining district

District name Juneau/Auke Bay

Land status

Ownership category State

Comments on the workings information

  • EXPLORED BY SURFACE TRENCHES AND A SHORT TUNNEL; 20 UNPATENTED LODE CLAIMS AND 12 PLACER CLAIMS IN AREA

Comments on development

  • DISCOVERED 1908; 8 TO 10 CLAIMS; MOST OR ALL WORK DONE IN 1909

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012013

Bibliographic references

  • Deposit

    USGS BULL 502, P. 55-58

  • Deposit

    USGS GQ-100

  • Deposit

    USGS OFR 84-572, P. 169, NO. 72

  • Deposit

    USGS OFR 85-717, P. 153

  • Other Database

    BAG-OFR-85-717-140

General comments

Subject category Comment text
Deposit 50 FT BY 800 FT ZONE ON HANGING WALL OF ALTERED GABBRO DIKE CONTAINS ARSENOPYRITE-BEARING QUARTZ VEINS UP TO 1 FT WIDE, VEINLETS OF CALCITE AND ALBITE, AND LOCAL DISSEMINATIONS OF ARSENOPYRITE AND PYRRHOTITE; NEARBY LARGE QUARTZ MASSES CONTAIN FREE GOLD, ARSENOPYRITE AND PYRITE; GALENA REPORTED FROM TREASURY HILL CLAIM; SOME PYRITE DISSEMINATED IN DIKE
Deposit SEE ALSO: PETERSON MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

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