 | | 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) | | pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers of this column will...shade of purple, but it also can be blue, blue-black, red, pink, green, yellow, brown, and colorless...Figure 1. Fluorite with sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the...pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center specimens,...acquisitions. Quartz, calcite, dolomite, siderite, sphalerite, cerussite, pyrite, marcasite, talc, hemimorphite |  | | Journal (issue) | | A concentrator was built in 1935 and, because sphalerite had become a contamination problem for the The...became operational at Kolwezi. Separation of sphalerite allowed not only the recovery of a new valuable...pumps were still operating, and small amounts of sphalerite were being mined for production of sulfuric acid...in the middle portion of the Kakontwe, where sphalerite-rich (to 40% Zn, with just traces o f Cu and...successive phases for deposition of primary sulfides, sphalerite having as a general rule, preceded copper sulfides |  | | 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 |  | | Report (volume) | | sectwn of Paleozotc rocks from Butler County to Stafford County, Kansas Kansas Geol Survey Otl and Gas...wells on a cross section from Barber County, Kansas, to Caddo County, Oklahoma Oklahoma Geol Survey Gutdebook...deposits of East Shasta copper-z10c dtstnct, Shasta County, Cahforma U S Geol Survey Prof Paper 338, 107 p...4297 Anders, R B Ground-water geology of Karnes County, Texas US Geol Survey Water-Supply Paper 1539-G...water and changes 10 water levels 10 Galveston County, Texas, 1958-62 Texas Water Comm Bull 6303, 33 |  | | 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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