New Almaden Mine (New Almaden Mines), Almaden Quicksilver County Park, New Almaden, New Almaden District, Santa Cruz Mts, Santa Clara Co., California, USA

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A former Hg mine complex located in secs. 2 & 3, T9S, R1E, and in secs. 29 & 33, T8S, R1E, MDM, 100 feet E of New Almaden and about 12½ miles SSE of San Jose. Discovered in 1824 by Antonio Suñol and Louis Chaboya.

Mineralization is a Hg deposit hosted in siliceous dolomite.

Production for the group was more than 1,000,000 flasks of Hg, most from this mine.

References

Blake, Wm. P. (1854), Quicksilver mine of Almaden, California: American Journal of Science, 2nd. Series: 17: 438-440.

Durand, F.E. (1873), Description of a new mineral from the New Almaden mine: California Academy of Science Proceedings: 4: 218.

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 289.

Jackson, Abraham Wendell, Jr. (1886), Mineralogical contributions: California Academy of Science, 1st. series, Bulletin 4: 358-374; […(abstract): Neues Jahrb., 1888: 179-181]: 371.

Clarke, F.W. (1889), A new occurrence of gyrolite: USGS Bulletin 64: 22-23; […American Journal of Science, 3rd. series: 38: 128-129]: 22 (128-129).

Irelan, William, Jr. (1890a), Ninth annual report of the State Mineralogist: California Mining Bureau. Report 9, 352 pp.: 47.

Melville, William Harlow (1890), Metacinnabarite from New Almaden, California: American Journal of Science, 3rd. series: 40: 291-295.

Melville, William Harlow (1891), Metacinnabarite from New Almaden, California: USGS Bulletin 78: 80-83.

Dana, Edward Salisbury (1892), System of mineralogy, 6th. ed., 1134 pp., Wiley & Sons, New York: 1095.

Randol, J.B. (1892), Quicksilver: US Census Report 11, Mineral Industries in the U.S.: 180.

Hanks, Henry Garber (1905), Notes on “aragotite,” a rare California mineral: Royal Micr. Soc. Jour., 1905: 673-676.

Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.: 154, 191.

Huguenin, Emile & W.O. Castello (1921), Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara, Santa Cruz Counties: California Mining Bureau. Report 17: 222.

Bailey, Edgar H. & Donald L. Everhart (1964), Geology and quicksilver deposits of the New Almaden district, Santa Clara County, California: USGS PP 360: 96, 97, 98, 99, 102.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 81, 83, 87, 134, 145, 172, 179, 191, 212, 233, 260, 266, 302.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 65, 73, 131, 221, 445, 478.

Mineral List

'Apophyllite' 'Aragotite' (TL) Arsenopyrite 'Bitumen' Calcite

Chalcopyrite Cinnabar Dolomite Epsomite Galena

Gyrolite Jarosite Mercury Metacinnabar Millerite

Opal Pyrite Quartz var: Chalcedony Stibnite

20 entries listed. 16 valid minerals. 1 type locality (other).