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Hematite is found in Brazil, Canada, England, the United States, Venezuela, and many other places. — Botryoidal to stalactitic hematite occurs with goethite in the interstices of sandstone at the old Ironton Iron Mine in the SW Sec. It is more common in tropical and warm temperate regions than in colder areas, where goethite usually predominates. Ancient superstition held that large deposits of hematite formed from battles that were fought and the subsequent blood that flowed into the ground. Much hematite occurs in a soft, fine-grained, earthy form called red ochre or ruddle. Sources. Hematite is also found in Tiger Iron. About Simon sandstone (Jones, 1977). JUNEAU COUNTY: Small roses of hematite crystals occur with quartz crystals. Simon sandstone (Jones, 1977). The following mines in T.11N R.5E near North Freedom, were listed in Rohn (1903): the Wisconsin Mine, SE Sec. The world’s largest production (nearly 75 million tons of hematite annually) comes from a sedimentary deposit in the Lake Superior district in North America. RUSK COUNTY: Hematite is a component of the gossan cap with other secondary iron and copper minerals at the Flambeau deposit, near Ladysmith (May, 1977). The most important deposits of hematite are sedimentary in origin. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Kidney ore, a compact variety of hematite, from the county of Cumbria in northwestern England. 8 and 9, T.39N R.19E (Dutton, 1971). It is also usually the cause of red soils all over the planet. 32 T.23N R.21E). Hematite stones are opaque, not the strongest of stones (it has a 5-6 on the Mohs hardness scale). It also occurs in quartz veins with kyanite (Nielsen, 1964). Hematite occurs as a component of certain slates within the Michigamme Slate at the Spread Eagle exploration pits in Sec. Facebook Hematite is responsible for the red, ochre-red and red-brown colorsof many soils, especially those evolving under str… Wisconsin geology? Wisconsin Geology 1 T.27N R.16W) (Rosenberg, 1991; Allen, 1909). MARATHON COUNTY: Microscopic euhedral hexagonal prisms of hematite occur intergrown in microcline microperthite in the granitic rocks of the Nine Mile Pluton. 30 T.10N R.1E. From Montreal Mine in Iron County, Wisconsin. Updates? A hematite-rich compact clay was mined near LaValle in the NW Sec. Question about Hematite may occur in many soils as a product of weathering, or as an inherited mineral from parent rocks, or both. Other important deposits include those at Minas Gerais, Brazil (where the hematite occurs in metamorphosed sediments); Cerro Bolívar, Venezuela; and Labrador and Quebec, Canada. DANE COUNTY: Nodules of hematite up to 5 cm. — Specular hematite is found on the dumps and in the workings of the Michigan iron mine in T.42N R.1E about 10 miles NE of Butternut. This article was most recently revised and updated by, https://www.britannica.com/science/hematite, The Mineral and Gemstone Kingdom - Hematite, Amethyst Galleries' Mineral Gallery - The Mineral Hematite. Twitter IOWA COUNTY: Red ocherous hematite used as paint was found in the upper beds of the St. Peter sandstone in the Centerville District, SW Sec. Quartz with hematite inclusions, from Denny Mountain, King county, Washington, U.S. A sample of hematite, trigonal iron oxide, from Ibitiara, Minas Gerais, Braz. Large ore bodies of hematite are usually of sedimentary origin; also found in high-grade ore bodies in metamorphic rocks due to contact metasomatism, and occasionally as a sublimate on igneous extrusive rocks ("lavas") as a result of volcanic activity. 15 T.1N R.3W) especially along the unconformity between the Precambrian iron formation and the Cambrian Mt. It likely forms from the alteration of disseminated pyrite and marcasite (Heyl et. Lawson (1906) describes an outcrop of hematite ore 5 feet thick at Cascade Falls, east of Depere. A typical outcrop is near Mellen in the SW SW SE Sec. When found in nature, Hematite will be rough and blood red – because of its iron content. 18 T.13N R.2E. Where Is It Found. Madison, Wisconsin 53705 Large and thick crystals have been found in Minas Gerais, Brazil, particularly at Antonio Pereira, Congonhas de Campo, Jaguaracu, and Itabira. With flat or tabular crystals come from Novo Horizonte and Brumado, Bahia, Brazil sedimentary.! 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