 | | Journal (article/letter/editorial) | | SHERWOOD 106A East 25th, P. 0. Box 436 Oak Grove, Missouri 64075-0436 Downloaded by [Brown University Library]...Louis, Missouri 63129-2704 Figure 1. Counties in Missouri. N o comprehensive list of Missouri mineral...found in Missouri; two of these, fletcherite and starkeyite, were first described from Missouri mines....location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular |  | | Journal (article/letter/editorial) | | ENVIRONMENTS OF ORIGIN--I W. D. KELLER University of Missouri-Columbia (Received 12 January 1976; and in final...of (1) kaolinite and dickite which crystallized from solution within cavities, (2) kaolinite weathered...silicate material, (3) residual kaolinite from primary silicate rock, (4)kaolinite above and below a basal unconformity...granitic rock, and (5) hydrothermally altered kaolinite. The texture of kaolin reflects the environment...environment produces large crystal flakes of kaolinite, expanded books, mats of elongates, high porosity |  | | Journal (article/letter/editorial) | | Sphalerite and calcite, 5 cm across, Denton mine, Hardin County. Ross Lillie specimen. +!.+!+%% 34!2+ +./8 ...chalcopyrite, and sphalerite, 12.7 cm high, Hardin County. Marv Rausch specimen. 3(%,"9 -!#/50). /5 ....part of the state. Here, quartz-lined geodes occur in the Warsaw Formation with a unique suite of minerals...and barite, 6 cm high, Minerva No. 1 mine, Hardin County. Ross Lillie specimen. Figure 5 (above right).... Barite, 12.9 cm across, Denton mine, Hardin County. Ross Lillie specimen. Figure 6 (right). Fluorite |  | | Journal (article/letter/editorial) | | Postcard view of the Waukon iron mine, Allamakee County, cia. 1912. John Taylor collection. ARTHUR E ...Iowa Geological Survey. Localities by County Allamakee County Lansing, Lansing lead mines = Captain...smithsonite, sphalerite (Hey1 and West 1982). Appanoose County Centerville gypsum mine; abandoned underground...underground mine, worked 1917-34; Mississippian-age Warsaw Formation: anhydrite, gypsum (alabaster, some crystals)... Vernon, Van Buren Co. Coralville, Johnson Co. County Fairgrounds, Dubuque Co. Cresco, Howard Co. Decorah |  | | Journal (article/letter/editorial) | | Vol. 34, No. 6, 68 9~9 1 , 1986. WELL-ORDERED KAOLINITE IN SIDERITE CONCRETIONS FROM THE BRAZIL FORMATION...Words-Concretion, Crystallinity, Kaolinite, Ordering, Siderite. Soft, white kaolinite fills many shrinkage cracks...Keokuk, Iowa, kaolinite that is found in geodes (Keller et al., 1966). The Keokuk kaolinite is one of the...mined in open pits south of the town of Brazil, Gay County, Indiana. Dark gray to red siderite concretions...cracks as wide as 8-9 mm which are filled with kaolinite, Sphalerite crystals are locally present in the |  | | Journal (article/letter/editorial) | | Ala(SiaOro)(OH)6;kaolinite is by far the most abundant. whereasnacrite is rare. Kaolinite has a one-la1-er...proved to be dickite, whereasthat from stop 7 is kaolinite. Figure 1 showslocationsof the exposures.Dickite...positions of the mineral specimens.Dickite and kaolinite probably are to be found many other placesin the...southeast Kansas counties to show dickite and kaolinite localities, igneous intrusions, and northwest...Kansas (after Harbaugh, 1962, p.14). Dickite and kaolinite occurrencesare indicated. Limestone units with |  | | Journal (article/letter/editorial) | | MICROGRAPHS W. D. KELLER University of Missouri-Columbia, Columbia, Missouri 65201 (Received 2 November 1977)...in part of the Corninclude well-crystallized kaolinite, and varieties of ka- wall, England, kaolins....Keller ly interlocked and intergrown crystals of kaolinite as in flint clay. In other words, kaolin may have...silicate Included are kaolinites within quartz geodes in the Keokuk, Iowa, locality (Keller et al., 1966;...dolomitic limestone near Shelbina, Missouri (Keller, 1970); kaolinite and dickite in a Pennsylvanian-age |  | | Journal (article/letter/editorial) | | Press. Printed in Great Britain DICKITE A N D KAOLINITE IN P E N N S Y L V A N I A N LIMESTONES OF S O...(Received 6June 1967) Abstract-- Dickite and kaolinite are polymorphs of AI4(Si401o)(OH)8. Dickite traditionally...on field and laboratory evidence. Dickite and kaolinite occur in cavities in phylloid algal limestones...development are genetically significant. Dickite-kaolinite distribution is related to: (1) stratigraphic...associated preferentially with porous algal mounds. Kaolinite occurs in less porous rocks within the dickite |  | Shoval, S., Yariv, S., Michaelian, K. H., Boudeulle, M., Panczer, G. (2002) Hydroxyl-stretching Bands in Polarized Micro-raman Spectra of Oriented Single-Crystal Keokuk Kaolinite. Clays and Clay Minerals, 50 (1) 56-62 doi:10.1346/000986002761002676 | Journal (article/letter/editorial) | | MICRO-RAMAN SPECTRA OF ORIENTED SINGLE-CRYSTAL KEOKUK KAOLINITE S. S HO VAL 1 , *, S. Y AR I V 2 , K . H . M I...micro-Raman spectra of a single large crystal of Keokuk kaolinite were recorded in the OH-stretching region with...Spectra, Kaolinite, Raman Spectra, SEM Micrographs. uted to the crystal size of the kaolinite observed...observed in SEM images. The crystal size of the kaolinite in the altered phenocryst is limited to 1 mm and that...crystal size and the degree of crystallinity of the kaolinite (Shoval et al., 1999a,b). The intensity and area |  | | Journal (article/letter/editorial) | | No. 2, 73–84, 2015. MID-INFRARED FEATURES OF KAOLINITE-DICKITE J AV I E R C U A DR O S * , R A QU E L...London SW7 5BD, UK Abstract—Transformation of kaolinite to dickite is a common diagenetic reaction. The...quantification of the relative proportions of kaolinite and dickite, validated by X-ray diffraction (XRD)...during the mineralogical changes. A group of kaolinite and dickite samples was investigated: 13 samples...Sea), three kaolinite specimens with different crystal order and particle size (KGa-2, kaolinite API 17, |  | | Journal (article/letter/editorial) | | D. KELLER AND R. P. HAENNI University of Missouri-Columbia (Received 3 April' 1978) Abstract-"Kaolinites"...Analogous to the apparent crystallinity of a "kaolinite" being the product of a mixture, so may other...other widely ranging properties of "kaolinite" be products of kaolin-mineral mixtures in microdimensions ...Specifications for a monomineraIic, nearly ideal kaolinite are considered-the Keokuk geode variety possesses...Words-Crystallinity, Halloysite, Kaolin, Kaolinite . INTRODUCTION Ideal kaolinite can be specifically defined in |  | | Journal (article/letter/editorial) | | VERIFICATION OF THE TRICLINIC CRYSTAL STRUCTURE OF KAOLINITE R. A. YOUNG! AND A. w. HEWAT 2 ! School of Physics...the two inner-hydroxyl ions in highly ordered kaolinite were recently shown to be differently oriented...have now been determined for a sample of Keokuk kaolinite with improved precision compared with that reported...space group is PI. Key Words-Inner hydroxyl, Kaolinite, Neutron powder diffraction, Rietveld structure...the two inner-hydroxyl ions in the unit cell of kaolinite and, thereby, conflicting conclusions about the |  | Shoval, S., Yariv, S., Michaelian, K. H., Boudeulle, M., Panczer, G. (1999) Hydroxyl-stretching bands ‘A’ and ‘Z’ in Raman and infrared spectra of kaolinites. Clay Minerals, 34 (4) 551-563 doi:10.1180/000985599546442 | Journal (article/letter/editorial) | | last four decades. According to Bish (1993) the kaolinite unit-cell contains four different OH groups. This...IR spectra of partially deuterated synthetic kaolinite, and also attributed it to uncoupled inner-surface...inner-surface OH-stretching. Deuteration of a natural kaolinite (Michaelian et al., 1987) led to similar conclusions...detected at similar frequencies in IR spectra of kaolinite/alkali halide complexes (Yariv, 1986; Michaelian...Indeed, it is considerably more intense for Keokuk kaolinite than for Mesa Alta kaolinites; moreover, its frequency |  | | Journal (article/letter/editorial) | | LETTER Morphological characteristics of ordered kaolinite: Investigation using electron back-scattered diffraction...Saitama, 332-0012, Japan 2 ABSTRACT Morphology of kaolinite crystals with high-crystallinity (Keokuk, Iowa)...generally correspond to those expected from ordered kaolinite. Elongated hexagonal crystals always show the...shift) of the Keokuk kaolinite. Inversely, the crystallinity of individual kaolinite grains may be evaluated...feasibility to discriminate the enantiomers in kaolinite using EBSD is also described. INTRODUCTION Morphological |  | | Journal (article/letter/editorial) | | Gui.deb, p l-46. H.tvns, J. B. (1963) Kaolinite from Warsaw geodes, Keokuk region, Iowa. Proc. Ioua Aca...adameilite,Danburg porphy-riticadamellite, Columbia County adamellite,and a gneissand a schist inclusionin |  | | Journal (article/letter/editorial) | | REFINEMENT OF NON-HYDROGEN ATOMIC POSITIONS IN KAOLINITE D. L. R. B. BISH L AND VON DREELEz , Earth...characteristic of previous Rietveld refinements of kaolinite. All Keokuk sam pIes examined contain small amounts...to those refined for kaolinite. Results indicate that the individual kaolinite layer is very similar...therefore be reevaluated, especially regarding the kaolinite space group and hydrogen positions. Existing X-ray...presence of C-centering in kaolinite. Key Words-Crystal structure, Dickite, Kaolinite, Rietveld refinement |  | | Journal (article/letter/editorial) | | Springer-Verlag 1995 AI-O--AI Paramagnetic Defects in Kaolinite Blandine Clozel ~'*, Jean-Marie Gaite 2, Jean-Pierre...Abstract. Trapped holes located on A1-O-A1 bonds in kaolinite were studied by electron paramagnetic resonance...demonstrated by measurements on oriented films of kaolinite. An appropriate numerical treatment of the E P...paramagnetic defects have been identified in natural kaolinite, Alz(SizOs(OH)4), by means of electron paramagnetic...be pointed out that while DCV is close to pure kaolinite, illite and quartz are present as impurities in |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 99, pages 681–695, 2014 Kaolinite transformation into dickite during burial diagenesis...28040 Madrid, Spain 2 Abstract The mechanism of kaolinite transformation into dickite has been investigating...Sea), 3 kaolinite specimens with different crystal order (KGa-2, Kaolinite API 17, Keokuk kaolinite), and...increase of the crystal order of kaolinite; (2) in dickite-rich specimens kaolinite and dickite have crystals...correlation between particle dimensions and relative kaolinite-dickite content. These results are interpreted |  | | Book | | in-progress investigations are the following: 7 Ä types kaolinite nacrite 3-layer Al-serpentine 6-layer Al-serpentine...one octahedral sheet Mi Dioctahedral species kaolinite dickite nacrite pyrophyllite celadonite—1M rmiscovite—2...86 3.02 3.22 3.43 3.42 3.43 3.40 3.37 3.05 kaolinite dickite nacrite muscovite paragonite margarite...THICKNESSES (a) One octahedral sheet Dioctahedral (Ä) kaolinite dickite muscovite paragonite margarite celadonite...R A H E D B A L ROTATION ANGLES Dioctahedral kaolinite dickite nacrite muscovite paragonite margarite |  | | Report (volume) | | cientiflca Circular' Classe classification Company, County Collections Committee Communications Comparative...Jackson, Miss. Missouri Academy of Science Proceedings vol 10, no. 1. St. Louis, Mo. Missouri Botanical Garden...Garden Annals vols. 31, 32. Fulton, Mo. Missouri Geological Survey and Water Resources: Biennial Keport...29-31; Reports of Investigations no. 1. Rolla, Mo. Missouri University: Bulletins vol. 46, no. 5, Arts and...Board: Bulletin no. 1, Montgomery County: Reports on Water Supply, Clark, Franklin (and City of Columbus) |  | | Report (volume) | | classn_____ classification Co_______. Company, County Coll______ Collections Conini_____ Committee Cominuii____...Miss. Missouri Academy of Science Proceedings vols. 7 .(no. 4), 8 (no. 1). St. Louis, Mo. Missouri Botanical...Fulton, Mo. Missouri Bureau of Geology and Mines 62d Biennial Report 1941-1942. Rolla, Mo. Missouri Geological...Resources [Reports] 2d ser. vols. 27, 28, Rolla, Mo. Missouri University School of Mines and Metallurgy Bulletins...well at the Jayhawk Ordnance Works in Cherokee County, Kans.: Kansas Univ. Geol. Survey Bull. 47, pt |  | | 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 |
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