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  3. Mineral Resource Data System (MRDS)

New Chichagof Mining Syndicate Gold Prospect

Occurrence in Alaska, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

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

Site location context

Political divisions (FIPS codes)

Sitka(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka D-7(quadrangle 1:63,360 scale)

Sitka NW(quadrangle 1:100,000 scale)

Sitka W OE(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central 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)

West Chichagof-Yakobi Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

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

Economic information

Ore body information

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

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 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

Bibliographic references

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.

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.