Mine detail: J.M. Macdonough Ranch

Previously called ''

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Location

Lat / long:

37.39269, -122.23576

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Lead
Ore:	Gold

Production

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

Geology

Host type:	Serpentinite,Sandstone
Alteration processes:	Oxidation

References

MRDS	M022308
DEP	10103217
Reference	DAVIS, F.F., 1955, MINES AND MINERAL RESOURCES OF SAN MATEO COUNTY, CALIF.: CALIF. JOUR. MINES & GEOLOGY V. 51, NO. 4, P. 41
Reporter	Nelson, Scott C. (Albers, John, P.)