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New Chichagof Mining Syndicate Gold Prospect

Occurrence in Alaska, United States with commodity Gold
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Geologic information

Identification information

Deposit ID 10094081
MRDS ID A013259
Record type Site
Current site name New Chichagof Mining Syndicate Gold Prospect
Related records 10210125

Geographic coordinates

Geographic coordinates: -136.19009, 57.78138 (WGS84)
Elevation 76
Relative position 0.3 MI. E OF HEAD OF PINTA BAY
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-1476-B, LOC. 11. PROSPECT MARKED ON SITKA (D-7) TOPO MAP. 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

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result USBM SAMPLES OF 4 FT. WIDE BRECCIA AVERAGED 0.24 OZ/TON AU-USGS OF 84-572, P. 259, LOC. 31

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Kelp Bay Group;Kelp Bay Group;Kelp Bay Group;Kelp Bay Group;Kelp Bay Group;Whitestripe Marble;Whitestripe Marble
    Rock description Kelp Bay Group;Kelp Bay Group;Kelp Bay Group;Kelp Bay Group;Kelp Bay Group;Whitestripe Marble;Whitestripe Marble

Nearby scientific data

(1) -136.19009, 57.78138
ListMap

Ore body information

  • Strike N 36 DEGREES E
    Dip 65 DEGREES NW
    Width 3.05M
    Length 242.32M

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • FAULT ZONE CUTTING CRET(?) META-SEDIMENTARY AND META-VOLCANIC ROCKS OF KELP BAY GROUP, AND TRI(?) WHITESTRIPE MARBLE (LIMESTONE AND MARBLE).

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Chichagof

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 289.56M
    Overall length 242.32M
    Overall width 15.24M

Comments on the workings information

  • 2 TUNNELS DRIVEN, LOWER TUNNEL (180 FT. EL.) 795 FT. LONG, UPPER TUNNEL (265 FT. EL.) 145 FT. LONG.

Comments on development

  • 17 CLAIMS HELD BY NEW CHICHAGOF MINING SYNDICATE AS OF 1939. 2 TUNNELS DRIVEN. NO RECORD OF PRODUCTION.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013259

Bibliographic references

  • Deposit

    USGS MF-1476-B, LOC. 11 (1982)

  • Deposit

    USGS B 929, P. 137-139, PLATE 32 (1941)

  • Deposit

    USGS OF 84-572, P. 259, LOC. 31 (1984)

  • Deposit

    USGS OF 78-450, P. 85 (1978)

  • Other Database

    BAG-MF-1476-B-11

General comments

Subject category Comment text
Deposit FAULT ZONE STRIKING N 36 DEGREES E, DIPPING 65 DEGREES NW CUTS THIN-BEDDED LIMESTONE, LIMY SHALE, GRAPHITIC SHALE, GREENSTONE SCHIST, SCHISTOSE LIMESTONE, MASSIVE LIMESTONE AND MARBLE, DIORITE, AND DIKE ROCK 8 FT. THICK. QUARTZ VEIN NO MORE THAN 3 IN. THICK IN FAULT CEMENTS IRREGULAR BRECCIATED ZONES CONTAINING FREE GOLD. BRECCIA ZONES UP TO 10 FT. WIDE LOCALLY.

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.