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Manhattan Mine, Knoxville, Napa Co., California, USA

A former Hg mine located in sec. 6, T11N, R4W, and in sec. 1, T11N, R5W, MDM, 1 mile NW of the Knoxville Mine.

Mineralization is a hydrothermal vein deposit. Then ore zone is 1 mile long and several hundred yards wide. The ore occurs as irregular veins of cinnabar filling joint cracks in Tertiary olivine basalt and is disseminated in the rocks adjoining the veins.



References:
Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 1095-1096.

Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78: 86.

Rocks & Minerals (1947): 22: 615.

Bailey, Edgar H. (1959), Froth veins, formed by immiscible hydrothermal fluids, in mercury deposits, California: Geological Society of America Bulletin 70: 661-664.

Davis, F.F. and E.H. Bailey (1966) Mercury. California Division Mines and Geol. Bulletin 191.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232, 304, 350.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 111 (map 3-7), 118, 119 (map 3-9), 130, 137, 185, 216, 263, 347.





Map Reference: 38°50'17"N , 122°21'50"W

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Mineral List:
Alunogen
Aragonite
'Chalcedony'
Cinnabar
Jamesonite
Melanterite
Pyrite
Pyrolusite
Quartz
var: Chert
Sénarmontite
Stibnite


12 entries listed. 10 valid minerals.

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