Little Maude Prospect

Occurrence in Alaska, United States with commodities Silver, Gold, Lead, Copper

Geologic information

Identification information

Deposit ID 10000621
MRDS ID A011231
Record type Site
Current site name Little Maude Prospect
Alternate or previous names Little Maud Prospect
Related records 10137080

Geographic coordinates

Geographic coordinates: -150.95845, 63.53845 (WGS84)
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Gold Primary
Lead Secondary
Copper Tertiary

Comments on the commodity information

  • ORE MINERALS REPORTED FOR THIS AND TWO OTHER SITES IN LUMPED DATA INCLUDE: SPHALERITE, ARSENOPYRITE, POLYBASITE

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Tetrahedrite Ore
Quartz Gangue
Siderite Gangue

Analytical data

Result SAMPLES ACROSS VEIN SHOW 0.22 OZ/TON AU AND 75.40 OZ/TON AG
Result USGS BULL 849-F, P.369

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Birch Creek
    Rock description Birch Creek
    Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1) -150.95845, 63.53845

Geologic structures

Type of structure Regional
Structure description Kantishna Antiform

Ore body information

  • Strike N 55 E
    Dip 60 TO 70 S
    Thickness 3.96M

Comments on the geologic information

  • QTZ SIDERITE VEIN IN BIRCH CREEK ROCKS; POSSIBLY SAME VEIN SYSTEM CS LITTLE ANNIE, FRANCIS CLAIMS

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Kantishna

Land status

Ownership category National Park

Comments on the workings information

  • VEIN CROSSCUT BY TWO OPEN TRENCHES BY 1933

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011231

Bibliographic references

  • Deposit

    DAVIS, J.A., 1923, THE KANTISHNA REGION, AK, IN STEWART, B.D., ANNUAL REPORT OF THE MINE INSPECTOR TO THE GOVERNOR OF ALASKA, 1922: JUNEAU,,AK, P. 125

  • Deposit

    USGS BULL 836, P. 332

  • Deposit

    USGS BULL 849-F, P. 369

  • Deposit

    ADGGS OFR 98, P. 31

General comments

Subject category Comment text
Deposit VEIN MATERIAL IS QUARTZ CARRYING GOLD, SILVER, TETRAHEDRITE AND LARGE AREAS OF FINE GRAINED GALENA WITH THREADS OF INTERGROWN CHALCOPYRITE; SPHALERITE MAY, MAY NOT OCCUR
Deposit SEE ALSO: LITTLE ANNIE; MARTHA Q; POLLY WONDER; FRANCIS ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1984 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey