What were the years of operation of the mine that a novel group of acidophilic archaea found at?
Iron Mountain Mine Iron Mountain Mine, also known as the Richmond Mine at Iron Mountain, is a mine near Redding in Northern California, US. Geologically classified as a "massive sulfide ore deposit", the site was mined for iron, silver, gold, copper, zinc and pyrite intermittently from the 1860s until 1963. The mine is the source of extremely acidic mine drainage which also contains large amounts of zinc, copper and cadmium. One of America's most toxic waste sites, it has been listed as a federal Superfund site since 1983.
Moab Khotsong mine The Moab Khotsong mine is a large mine located in the northern part of South Africa in the Freestate. Moab Khotsong represents one of the largest uranium reserves in South Africa having estimated reserves of 57.2 million tonnes of ore grading 0.058% uranium.