The Broken Neck Creek Placer is a gold mine located in Alaska.
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
Broken Neck Creek Placer MRDS details
Site Name
Primary: Broken Neck Creek Placer
Commodity
Primary: Gold
Location
State: Alaska
District: Eagle
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1925
Year Last Production: 1940
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Tintina Fault
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: FINENESS OF 4 ASSAYS AVERAGED 829 PARTS AU AND 165 PARTS AG. SEE REF. 2, P, 196.
Materials
Ore: Gold
Comments
Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Comment (Deposit): GOLD IN BENCH AND STREAM GRAVEL NEAR BASE AND ON BEDROCK, SOME FINE GOLD IN HIGHER LEVELS OF GRAVEL. OVERBURDEN 3-30 FT. THICK.
Comment (Geology): CONGLOMERATE BLUFFS AT MOUTH OF CREEK. SEVENTYMILE RIVER FOLLOWS TRACE OF TINTINA FAULT IN EAGLE (D-2). ; MAJOR.UNITS: BEDROCK IS TERTIARY SEDIMENTARY ROCKS.
Comment (Deposit): STREAM GRADIENT ABOUT 100 FEET PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Location): USGS MF-393, LOC. 28. COORDINATES GIVEN ARE FOR CENTRAL POINT OF PLACER THAT BEGINS AT MOUTH OF CREEK AND CONTINUES UPSTREAM FOR ABOUT .5 MILE. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): INTERMITTANT MINING FROM EARLY 1900'S UNTIL 1940. ALL WORK IN 1930'S ON BENCH ALONG WEST SIDE OF CREEK; RIM ABOUT 20 FT. ABOVE CREEK. ANOTHER BENCH IS ABOUT 10 FT. HIGHER. GRAVEL ON LOWER BENCH THICKENS FROM 8 FT. AT RIM TO 30 FT. OR MORE.
References
Reference (Deposit): USGS MF-393 (D-2), LOC. 28.
Reference (Deposit): USGS BULL 897-C, P 195-196
Reference (Deposit): USGS BULL 917-D, P. 246-247
Reference (Other Database): BAG-MF-393-28
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.
