The Chichagof Extension Gold Prospect is a gold mine located in Alaska at an elevation of 200 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 200 Feet (61 Meters)
Commodity: Gold
Lat, Long: 57.65472, -136.08278
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Chichagof Extension Gold Prospect MRDS details
Site Name
Primary: Chichagof Extension Gold Prospect
Secondary: Chichagof Extension No. 4 Claim
Commodity
Primary: Gold
Location
State: Alaska
District: Chichagof
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Siltstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Siltstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Development): CLAIM OWNED BY CHICHAGOF EXTENSION MINING CO. AS OF 1938. NO PRODUCTION.
Comment (Commodity): NO DATA ON METAL CONTENT, BUT AU IS LIKELY PRESENT.
Comment (Location): USGS B 929, PLATE 1; USGS MF-467, LOC. 35 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Deposit): TRENCHES EXPOSE THREE QUARTZ VEINS IN GRAYWACKE. VEIN NO. 1 EXPOSED FOR 30 FT., IS 3 FT. WIDE FOR 8 FT.. VEIN NO. 2 EXPOSED FOR 20 FT., 6-14 IN. WIDE. VEIN NO. 3 EXPOSED FOR 140 FT., UP TO 1 FT. THICK.
Comment (Workings): 3 TRENCHES UP TO 140 FT. LONG.
Comment (Deposit): NO SPECIFIC MENTION OF GOLD, BUT BECAUSE OF AMOUNT OF WORKINGS, IT WAS LIKELY PRESENT. AUTHORS OF USGS B 929 (REED AND COATS) COMMONLY OMIT MENTION OF GOLD CONTENT OF VEINS. ; INFO.SRC : 1 PUB LIT
References
Reference (Deposit): USGS B 929, P. 128-129, PLATES 1, 3 (1941)
Reference (Deposit): USGS OF 78-450, P. 27 (1978)
Reference (Deposit): USGS MF-467, LOC. 35 (1972)
Reference (Other Database): BAG-B-929-PL-1
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
