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The Wakasugiyama Cinnabar Mine (若杉山辰砂採掘遺跡, Wakasugiyama shinshasaikutsu iseki) is an archaeological site with the traces of a late Yayoi to early Kofun period cinnabar production site, located in the Suii neighborhood of the city of Anan, Tokushima on the island of Shikoku in Japan.
Cinnabar generally occurs as a vein-filling mineral associated with volcanic activity and alkaline hot springs. The mineral resembles quartz in symmetry and it exhibits birefringence. Cinnabar has a mean refractive index near 3.2, a hardness between 2.0 and 2.5, and a specific gravity of approximately 8.1.
Becker sought out the mine to test the theory of Robert Oxland, a physician and mineralogist, formerly on the staff of the Toland Medical College in San Francisco, California [77] who also held a patent for refining tungsten from tin ore. Oxland believed the cinnabar ore at Sulphur Bank had been formed from hot springs.
The Mariscal Mine, also known as the Lindsey Mine and the Ellis Mine, was a source of cinnabar ore that was refined at the Texas site into mercury. The mine is located in what is now Big Bend National Park. The mine produced a total of 1400 flasks of mercury, each weighing 76 pounds (34 kg), accounting for almost a quarter of the mercury ...
The St John's Mine is a mineral extraction site approximately three miles north of the city of Vallejo in Solano County, California, United States.The St John's site was used for extraction of cinnabar in the early 1900s. [1]
The Guadalupe mine produced about 10% as much mercury as the New Almaden. There are several smaller mines in the mining district, but their ore production was not significant. The only significant quicksilver ore is cinnabar; other sulfides are present in small quantities. Mining, other than a single placer deposit of cinnabar, was underground.
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The third-largest producer of quicksilver in the area was the Study Butte Mine, located five miles east of Terlingua. Cinnabar was discovered here in 1902 and mined from 1905. The property was operated in World War II by the Texas Mercury Co. Cinnabar occurs in ore-bearing fractures or veins within a syenite intrusion.
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