Mineral Resource Map
Map
Browse
About
Mine detail: Birch Creek Placer
Browse
North America
United States
Alaska
Unknown
Previously called ''
<< Back to the map
Location
Lat / long:
64.45783, -155.35864
Resource(M)
Primary:
Tin, Gold
Tertiary:
Bismuth, Silver, Copper, Rhenium, Uranium, Thorium
Ore:
Bismuth, Cassiterite, Gold
Gangue:
Anatase, Garnet, Hematite, Ilmenite, Sphene, Zircon
Other material:
Malachite
Discovery year:
1914
Production
Operation type:
Unknown
Production size:
Small
Development status:
Past Producer
First production started:
1914
Geology
Host type:
Gravel
Associated type:
Granite
Alteration processes:
Iron Derived From The Oxidation Of Pyrite.
References
MRDS
A015531
DEP
10003016
Reference
{Deposit:: USGS MF-405 (B-5), LOC. 9}{Deposit:: USGS BULL 642, P. 246-247.}{Deposit:: USGS OF 239, P. 37, 40, 42-44.}{Deposit:: USGS OF 81-170, P. 16, 17.}
Reporter
Powers, M.T. (Huber, D.F.)