IlmeniteSan Carlos Mine, Idria, New Idria District, Diablo Range, San Benito Co., California, USA
Photo: 2.007 Latitude: 36°23'34"N
Longitude: 120°39'28"W
A former Hg mine located in the SW¼NE¼ sec. 4, T17S, R12E, MDM, 3.1 km (1.9 miles) SSE of Idria. Owned by the New Idria Quicksilver Company.
Mineralization is a vein deposit hosted in rocks of the Franciscan Complex (sandstone, shale). Hydrothermally indurated beds of the Panoche Formation lie beneath the New Idria thrust fault and associated tear faults which offset the thrust.
Local structures include the N70W Coalinga anticline, the New Idria thrust fault.
References
Symons, Henry Heilbronner (1940), Quartz gem stones of California: Rocks & Minerals: 15: 39-44.
Eckel, Edwin Butt & W.B. Myers (1946), Quicksilver deposits of the New Idria district, San Benito and Fresno Counties, California: California Division Mines Report 42: 81-124.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 147, 315.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 348.
Bailey, E.H., USGS, personal files.
Mineral List
3 entries listed. 2 valid minerals.
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