| systems of _west_-central California. This important mining district, including the New Almadén mine in Santa...Santa Clara County and the New Idria mine in San Benito County (two of the world’s largest mercury producers)...producers), represents a single mineralized province with ages restricted to the last 5.3 million years (Bailey...(Szumigala 1996), central Arizona (Eastoe et al. 1990), west Texas (Thompson 1954; Henry et al. 1997), and southwest...literature. For example, the Hg mining district of Pike County, Arkansas, is hosted in Carboniferous sediments |
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Pracejus, Bernhard - Ed. (2014) The Ore Minerals Under the Microscope (2nd ed.) Elsevier. doi:10.1016/c2012-0-01360-9 |
Book (edition) |
| hand specimens. Left: Internal reflections of hematite (red), azurite (blue), and malachite (green)....matrix is pyrrhotite. Left (bottom): Polysynthetic hematite twinning under XPL, red internal reflections are...different internal reflections. Left: Zonal growth of hematite. Dehydration Cracks Various colloform minerals...secondary minerals. Left: Coffinite (darker grey) with hematite (lighter grey) in dehydration cracks. 7 Light...stable, leading to an exsolution process (e.g., hematite, rutile, and ulvöspinel separating from ilmenite) |
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Moore, T.P. (2016) Moore's Compendium of Mineral Discoveries 1960 - 2015 Vol. 2. Mineralogical Record Inc. |
Book |
| long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |
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