Mine detail: Fort Seward

Previously called ''

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Location

Lat / long: 40.20068, -123.7114

Resource(M)

Primary: Manganese
Ore: Braunite, Rhodochrosite

Production

Operation type: Unknown
Production size: Small
Development status: Producer

Geology

Host rock:Franciscan Complex
Host type:Chert

References

MRDSM008740
DEP10109219
Reference{Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 37,NO. 4, OCT. 1941, P. 519}{Deposit:: DOM BULL. 152, 1950, PP. 67-69}{Deposit:: USBM R.I. 5579, P. 6}
ReporterGere, W., Killman, K.; Albers, J.