 | | Journal (article/letter/editorial) | | Postcard view of the Waukon iron mine, Allamakee County, cia. 1912. John Taylor collection. ARTHUR E ...Unfortunately. with today’s environmental laws and mine and quarry regulations. the prolific collecting of the 1950s...HAROLD L. PRlOR P.O. Box 111 Columbus Junction, Iowa 52738 halprior@ louisacomm.net When we began this...too, could be cited with many other localities. Iowa contains the type locality for one mineral, iowaite...December 2014 Figure 2. Map of Iowa showing the counties. Courtesy Iowa Geological Survey. ACKNOWLEDGMENTS |  | | Journal (article/letter/editorial) | | Figure 1. The state of Iowa map; prepared by William Besse. IOW AITE Sioux County, Iowa BRUCE CAIRNCROSS ...1,000–1,500 feet below the surface in Sioux County, Iowa (Kohls and Rodda 1967); approximately thirty-five...of Johannesburg. Volume 93, May/June 2018 271 Iowa has 74 valid species (Mindat.org; accessed March...best known for geodes from the Keokuk area in Lee County (Wherry 1918; Smith 1997; Huizing 2017). The Keokuk...also the official state rock for Iowa. Pint’s quarry in Black Hawk County has produced collectible, attractive |  | | Journal (article/letter/editorial) | | Washington, DC 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers...readers of this column will note that fluorite has already been covered in a previous installment (Cook 1998)...mineral for the 2013 Tucson Gem and Mineral Show is fluorite and because the previous column stressed one aspect...expanded look at fluorite was thought to be in order. This is a well-deserved look, as fluorite is one of the...wonderful specimens of fluorite doing anything but gracing our displays; however, fluorite is a more utilitarian |  | | Journal (article/letter/editorial) | | Mwinilunga, Zambia. Jordi Fabre photo. Figure 3. Fluorite epitactic on ferberite from Yaoganxian, Hunan...chemistry. A good example of this is the specimen of fluorite on ferberite from Yaogangxian, Hunan, China (fig...The tiny (about 1-mm), often elongated, cubes of fluorite are scattered over the surface of a large ferberite...that direction may have influenced growth of the fluorite. More common examples include those minerals that...Homoepitaxy in calcite from the Peske quarry, Black Hawk County, Iowa. The second-generation crystals |  | | Journal (issue) | | also be colored yellow by (supposedly) zincite, black by sulfides (chalcocite) or red by iron oxides....of bluish pseudomalachite covering a layer of a black oxide (probably heterogenite), as isolated hexagonal...flat between the layers of pseudomalachite and black oxides, are present rather abundantly. Sometimes...Atacamite C u22+C1(OH)3 Fluorides Fluorapatite Fluorite Ca5(P 0 4)3F CaF? Oxides Cuprite Goethite Hematite...recent exception of the incredible crystals from the Black Pine mine, Montana; Waisman, 1992). From Kipushi |  | | Report (volume) | | George G. The Metaline district, Pend Oreille County, Washington, [Chap.] 6 in Lead-zinc deposits in...fill of Red Light Bolson, southeastern Hudspeth County, Texas, in Geology of the southern Quitman Mountains...terraces along Maple River in northeastern Clinton County, Michigan, U.S.A. (their morphologic, genetic and... T. K. See Ollerhead, R. W. 06559 07495 Alf, Raymond M. A preliminary report on a Miocene flora from...northwest quarter of Lemoine Township, AbitibiEast County [also French edition]: Quebec Dept. Nat. Resources |  | | Book (edition) | | Amsterdam, The Netherlands San Diego, CA 92101-4495 USA Kidlington, Oxford OX51GB UK London WC1X 8RR UK...(http://www.elsevier.com/locate/permissions). In the USA, users may clear permissions and make payments through...Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, USA; phone: (+1) (978) 7508400, fax: (+1) (978) 7504744...Great Britain, Triassic quarry, outcrop Buntsandstein, Germany, Triassic quarry Quadersandstein, Germany...Germany, Cretaceous quarry Frio Clay (sand), Anahuac field, Texas 22 ZYST is Cretaceous s., Elbsandsteingebirge |
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Peske Quarry, Raymond, Black Hawk County, Iowa, USA