New Almaden hydrothermal deposition of cinnabar from deep within the earth is found in a gangue of silica-carbonate rock formed locally by hydrothermal alteration of serpentine. 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. There is a high probability of undiscovered high-grade ore which could be found and exploited using modern techniques. Mining operations resulted in
The Big Ore The Big Ore The Big Ore () is a 1964 drama film directed by Vasily Ordynsky and based on the novel by Georgi Vladimov. Viktor Pronin (Yevgeni Urbansky) returned from the army to the bride (Svetlana Zhgun), and she – the other. Then Victor went to "great" Kursk ore, where the work is in full swing – all live in anticipation of the first car of ore. To check Pronyakin, Brigadier (Vsevolod Sanaev) gives him beaten MAZ: mend – a long time came. The guy got in the "hostel" to repair the car and began to put one after the