Search results
Results from the WOW.Com Content Network
English: Geologic context: sphalerite crystals atop sucrosic dolostone, Lockport Dolomite, upper Niagaran Series, Wenlockian, upper Middle Silurian Locality: Millersville Quarry, northern side of the town of Millersville, southwestern Sandusky County, northwestern Ohio, USA. Photo taken by James St. John.
English: Sphalerite & barite from Tennessee, USA. (CMC RM 1140, Cincinnati Museum Center's rock & mineral collection, Cincinnati Museum of Natural History & Science, Cincinnati, Ohio, USA) Locality: Cumberland Mine, Smith County, Tennessee, USA
Sphalerite is an important ore of zinc; around 95% of all primary zinc is extracted from sphalerite ore. [42] However, due to its variable trace element content, sphalerite is also an important source of several other metals such as cadmium, [ 43 ] gallium, [ 44 ] germanium, [ 45 ] and indium [ 46 ] which replace zinc.
The lawsuit says the United States Gypsum Co., on Sandusky Bay, failed to maintain underground mines that caused dangerous sinkholes near State Route 2, costing the Ohio Department of ...
It has a post office with the ZIP code 43433. [2] The community is named for deposits of the gypsum rock near the original town site. [3] Gypsum mining in the area by U.S. Gypsum Corporation began in 1902 and stopped in the 1970s, however the company continues to operate a manufacturing plant in the community. [4]
Galena is the official state mineral of the U.S. states of Kansas, [15] Missouri, [16] and Wisconsin; [17] the former mining communities of Galena, Kansas, [18] [19] Galena, Illinois, [20] Galena, South Dakota and Galena, Alaska, [21] take their names from deposits of this mineral.
Sphalerite from Tennessee, USA. (~8.5 centimetres (3.3 in) across at its widest) A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.
Mining and milling of ore produced more than 500 million tons of wastes in the tri-state area and about 250 million tons of wastes in the Old Lead Belt. More than 75 percent of this waste has been removed, with some portion of it used over the years. Today, approximately 100 million tons of chat remain in the tri-state area.