Mine detail: Butterfield Group

Previously called ''

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Location

Lat / long: 40.49938, -112.14663

Resource(M)

Primary: Lead, Silver

Production

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

Geology

Host type:Monzonite,Quartzite,Limestone
Associated type:Quartz Monzonite
Structure:Quartzite In Black-Jack Gulch (Ne-Sw, Nw), Fracture Planes (Ne-Sw, 40 - 85 Nw)

References

MRDSDC14258
DEP10102111
Reference{Deposit:: USGS PROF. PAPER 38. P. 325}{Deposit:: USBM MIN. YEARBOOK 1941-1964.}{Deposit:: CONSV. DIV. COMP. DATE, 03-26-1958}
ReporterUnknown, Wong, George (Tooker, Ed)