 | | Journal (article/letter/editorial) | | Houston, Texas 77036 ROBERT 0. FAY Oklahoma Geological Survey Norman, Oklahoma 73019 Downloaded by [The Aga...713 15th Street NW Ardmore, Oklahoma 73401 OKLAHOMA Figure 1. Oklahoma counties. Mineral Locality...roses, Oklahoma also boasts a variety of other species, including beautiful specimens of calcite, brochantite...unaware of the variety of minerals available from Oklahoma and think primarily of the prolific gypsum crystals...hundred years, extends into the northeast corner of Oklahoma and has produced notable specimens. Unfortunately |  | | Book | | ROCKHOUND'S GUIDE TO THE GEMS & MINERALS OF OKLAHOMA © E.L.GILMORE 1992 No part of this book may...rockhounds to know where to look for minerals in Oklahoma. who would like This data has been drawn from...from many sources: The publications of the Oklahoma Geological Survey; Scientific publications; the observations...from the author’s own experience in rockhounding Oklahoma for the past 30 years. Some parts of this book...desire of the author to list all minerals found in Oklahoma. The work on this book has covered a period of |  | | Journal (article/letter/editorial) | | Alabama P.O. Box 0 Tuscaloosa, Alabama 35486 85° • County Seat ALABAMA'S MINERAL INDUSTRY began in 1818...iron furnace was built near Russellville, Franklin County, utilizing local brown iron-ore (goethite) deposits...Tennessee River Valley area near Huntsville, Madison County, the first such mineralogical description in the...1831 along tributaries of the Coosa River (Chilton County). Utilization of mineral resources in Alabama has...iron ore, clay, marble, bauxite, and Figure 1. County map of Alabama. Courtesy U.S. Geological Survey |  | | Journal (article/letter/editorial) | | members of the epidote group, tremoliteactinolite, calcite, scapolite, fluorite, apatite, and sphene. The...producing albite or oligoclase, zoisite, epidote, calcite, sericite, actinolite, and other calc-silicates...the Singida area (Eades and Reeves, 1938, p. 23) shows amygdules infilled with calcite, epidote, and chlorite;...and potassium. Gold mineralization in the 1938; Watson, 1942). That chemical conditions Territory is frequently...similarity in composition. In gangue minerals are calcite and epidote; the all the cases quoted above, the |  | | Journal (article/letter/editorial) | | MINERALS the nature of the reaction products. Eades and Grim (1960) suggested that the reactions occur...Bend, Okla.-Reference specimen supplied by the Oklahoma Geological Survey and characterized by Mankin...only the 200°C endothermic peak, was published by Eades and Grim (1960) for a lime-kaolinite reaction product...peaks occur. A similar pattern was published by Eades and Grim. A weak dehydration endotherm can be observed...at 3.04A having been sharpened, and a few weak calcite lines observed. There was broad general diffraction |  | | Journal (article/letter/editorial) | | granodiorites to granites and feldspar-porphyries. Eades (1936) and Eades and Reeve (1938) recognized that 'intermediate...and also by gold- and sulphidebearing quartz and calcite veinlets. The mineralization of the auriferous...(Pulfrey and Walsh, 1969 ). The Macalder-Nyanza copper mine in southwest Kenya produced considerable amounts...eastern and southern Africa. Nature, 254: 315-318. Eades, N.W., 1936. The geology of the Iramba Plateau.... Geol. Surv. Tanganyika, Short Pap., 15: 1-35. Eades, N.W. and Reeve, W.H., 1938. Explanation of the |  | | Journal (article/letter/editorial) | | Kingsport, on the min erals to be found in the Foote Mine at Kings Mountain. NEW YORK The Westchester Mineral...hibits of the New York State Museum. The Tompkins County Gem and Mineral Club, Ithaca, viewed the new Federation...Problem. SOUTH CAROLINA Mr. Burdette and Mr. Eades, mem bers of the Western South Carolina Gem and...and Mineral Society, Columbia, went to the Foote Mine at Kings Mountain, N. C. A pro gram was devoted...moonstone, unakite and breccia. ALABAMA The Calhoun County Rock and Min eral Club, Jacksonville, reports |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com mon rock-making materials...to occur only as traces. ACCOMACK COUNTY: none given. ALBEMARLE COUNTY: actinolitc, agate, almandine, amethyst |  | | Journal (article/letter/editorial) | | determined by analysis of these patterns (Michael and Eades 2000). The widths of bands are determined by the...crystal structure. The first case was tested using calcite and aragonite particles. The second case was tested...selected from the University of Minnesota, Duluth (calcite, aragonite, and diopside), and University of Idaho...tilted 70° toward the EBSD phosphor screen. The calcite, aragonite, diopside, and tremolite samples were...org/67X6O6fRu). Results and discussion Polymorph case (calcite and aragonite) Selection of known phases from the |  | | Journal (article/letter/editorial) | | MINERALS (PART GOOCHLAND By PHILIP East Derry, COUNTY In N edge of the James R., W of Richmond and bordering...Extensive gold mining formerly on ex treme W and county line around Rte 605 to Rte 606. There are several...tive. Iron Ppt on N end. Feldspar xls (small) ; calcite, ankerite, bornite, chlo rite, chalcopyrite, kaolin...masses), hematite, felds par, sericite, chlorite, calcite, biotite, amphibole, tremolite, pyrrhotite, ilmenite...Belzora G.M. Also small operations adjacent in Eades M., Big Byrd M. and Laury M. Morgan Gold M. W of |  | | Journal (article/letter/editorial) | | particularly with respect to Iime stabilization. Eades and Grim (1966) developed a quick test to determine...aggregations in the size ranges above Thompson and Eades'(1970). They concluded that the 0·5 mm. Examples...calcium peaks, and is almost certainly a crystal of calcite (calcium carbonate) formed from reaction with calcium...sequence facilitates the conversion. While blocky calcite crystals have been found in eroded portions of...Purdue University. Erosion loss in c1ay soils 4. Eades, J. L. and Grim, R. E.(1966) A quick test to determine |  | | Journal (article/letter/editorial) | | described by Eades (1936). Basing on their higher degree of deforma- 267 tion, Eades (1936) urged that...belt proper were overlying the granite-gneisses. Eades (1936) considered the volcanic rocks to be the oldest...they have been converted into amphibolite schists (Eades, 1936). The youngest group of rocks in the belt...pyroxenes + plagioclase + quartz + hornblende ± calcite ± opaque minerals. In many samples, the olivine...evolution in the Proterozic. Nature 291, 193–196. Eades, N.W., 1936. The geology of the Iramba Plateau. |  | | Book | | Formation (Middle Eocene) of Southwestern Wyoming (USA) Paul C. Murphey, Lisa 1. Torick, Emily S. Bray...Science Series, Natural History Museum of Los Angeles County, Science Series No. 32, pp. 5-36. Pellegrin, J...overlying kimberlite pipes (Teale, 1931, 1932; Eades and Reeve, 1938; Williams, 1939; Greenwood, 1960;...1939), although no such occurrence is described by Eades and Reeve (1938) or identified on their geological...elevation of 1680m above sea level (Teale, 1932; Eades, 1936). Steep fault-scarps border the Wembere depression |  | | Report (volume) | | Bunch Hollow mine, Claiborne County. 3. Geologic map and section of the New Prospect mine (Leadmine Bend)...prospects, Union County. 4. Maps of the Ritchie (Lynch) prospect, Claiborne County. FIGURE 1. Sketch...River area, in western Claiborne County and northeastern Union County, is one of the most pervasively...significant production came from the New Prospect mine. It was operated almost continuously from 1883 to...probably on the order of 100,000 tons. Since 1901 the mine has been worked only sporadically on a small scale |  | | Journal (article/letter/editorial) | | Pieczonka Waldner 1962 3ac8.0 Spinel H u r d 1954 Calcite 15.6 6.5 Magnesite 79.8 3.8 85.9 86.9 143...spectra in zircon, barytes, apatite, danbourite and calcite have been observed. At present colour centres have...Periclase Mg-06 8i. 4 Brucite Mg-(OH)G 84.6 Calcite Ca-O6 87.7 Aragonite Ca-09 88.0 Scheelite...field in a direction of magnetic vector (Andrew and Eades). Of more than 100 nuclei possessing magnetic moments... 3.093 0 Brown 1954 Euclase 5.'173 0.698 Eades 1955 Albite 3.37 0.634 Brun 1960 Natrolite |  | Vola, Gabriele, Sarandrea, Luca, Della Porta, Giovanna, Cavallo, Alessandro, Jadoul, Flavio, Cruciani, Giuseppe (2018) The influence of petrography, mineralogy and chemistry on burnability and reactivity of quicklime produced in Twin Shaft Regenerative (TSR) kilns from Neoarchean limestone (Transvaal Supergroup, South Africa) Mineralogy and Petrology, 112 (4) 555-576 doi:10.1007/s00710-017-0542-y | Journal (article/letter/editorial) | | features of the Neoarchean limestone from the Ouplaas Mine (Griqualand West, South Africa) on its burnability...fenestrate microbial boundstone with herringbone calcite and organic carbon (kerogen) within stylolites...microsparite recrystallization, stylolites, poikilotopic calcite, chert and saddle dolomite replacements. Burning...of burial cementation, especially poikilotopic calcite, seems to promote higher burnability, either in...stratum of the quarry, enriched in poikilotopic calcite. Secondly, locally concentered dolomitic marly |  | | Journal (article/letter/editorial) | | Tanzania J. M. GOBBA Wiihamson Diamonds Ltd., Mwadui Mine, Tanzania Abstract - In 1979 an aeromagnetic survey...of 100 sq. kms occurring some 25 km SE of Mwadui Mine. It was found that a combination of Heavy Mineral...pipes listed has an economic grade (Williams and Eades, 1939). The second phase of exploration and mining...kimberlite Aphanitickimberlite Kimberliterelatedrock Calcite-serpentine kimberlite Craterfacieslumberlite M...detalled IN flxed and NW Wing MWADUI-SHINYANGA Eades(l939) aB’Omagne(lC SUrveY19A DIAMOND FIELD Fig |  | Rodriguez-Navarro, C., Ruiz-Agudo, E., Luque, A., Rodriguez-Navarro, A. B., Ortega-Huertas, M. (2009) Thermal decomposition of calcite: Mechanisms of formation and textural evolution of CaO nanocrystals. American Mineralogist, 94 (4) 578-593 doi:10.2138/am.2009.3021 | Journal (article/letter/editorial) | | pages 578–593, 2009 Thermal decomposition of calcite: Mechanisms of formation and textural evolution...cleavage face of the calcite pseudomorph. The four sets formed on (1014)calcite display the following...relationships: (1) (1210)calcite//(110)CaO; (2) (1104)calcite┴ (110)CaO; (3) (1018)calcite//(110)CaO; and (4)...(4) (0114)calcite┴(110)CaO; with [841]calcite//[110]CaO in all four cases. At this stage, the reaction...thermogravimetric data of the decomposition of calcite in air yields an overall effective activation energy |  | | Journal (issue) | | Plants. I. Variation in Selected Genera. By R. W. Watson and N. H. Grace. II. Method of Extraction from...Milkweek, Asclepias syriaca. By N. H. Grace, R. W. Watson and J. Klassen. Canad. ]. Res., r944, 22, No. 6...Sekenke mine itself was extensively worked during the period of German occupation. Kirondatal mine is even...scarps on the west, north and east; but Sekenke mine, the most important in the area, is in the low-lying...Iramba Plateau is .a bout 5,000 ft., whereas Sekenke mine is 3,500 ft. above sea-level. Access to the area |  | Britton, Thomas Benjamin, Tong, Vivian S., Hickey, Jim, Foden, Alex, Wilkinson, Angus J. (2018) AstroEBSD: exploring new space in pattern indexing with methods launched from an astronomical approach. Journal of Applied Crystallography, 51 (6). 1525-1534 doi:10.1107/s1600576718010373 | Journal (article/letter/editorial) | | Kikuchi (1928) using a cathode ray and a sample of calcite. These patterns were later explored for more samples...reasons. Within MATLAB (The MathWorks, Natick, MA, USA), the Radon transform performs line-based integrations...horizontal, vertical or at 45 angles to these (Tao & Eades, 2005). For a sharp diffraction pattern of a crystal... D. (2009). Algorithms, 2, 93–107 Tao, X. D. & Eades, A. (2005). Microsc. Microanal. 11, 79–87. Wilkinson...(1992). PhD thesis, Yale University, New Haven, CT, USA. Wright, S. I. & Adams, B. L. (1992). Metall. Trans |  | Piilonen, P. C., McDonald, A. M., Poirier, G., Rowe, R., Larsen, A. O. (2012) The mineralogy and crystal chemistry of alkaline pegmatites in the Larvik Plutonic Complex, Oslo rift valley, Norway. Part 1. Magmatic and secondary zircon: implications for petrogenesis from trace-element geochemistry. Mineralogical Magazine, 76 (3) 649-672 doi:10.1180/minmag.2012.076.3.15 | Journal (article/letter/editorial) | | alkalinity, SiO2 saturation and concentration of Zr (Watson and Harrison, 1983). In highly evolved felsic rocks... 1995), Zr is highly soluble (up to 4 wt.% Zr; Watson, 1979), leading to the latestage crystallization...crystallization of zircon as an accessory mineral (Watson, 1979). With increasing alkalinity (AI >1.0), alkali zirconosilicates... chevkinite, chromatite, pyrophanite, quartz, calcite secondary/altered hilairite, loparite-(Ce), lorenzenite...associated with zeolites, secondary aegirine, calcite and fluorite. It commonly has a spongy porous texture |  | | Journal (issue) | | Portland office of DOGAMl. COVER PHOTO Iron Dyke Mine area. view is to the west across the Snake River...begins on next page. 38 OIL AND GAS NEWS Columbia County - Mist Gas Field Arco has become the second operator...at Mist with only its first well. The Columbia County 44-21, spudded on January 23 and completed February...1984, making a total of 19,987 Mcf of gas. Lane County Ty R. Settles drilled Cindy I in section 23, T...ft. The well was plugged and abandoned. Marion County Oregon Natural Gas Development Corporation DeShazer |  | | Journal (article/letter/editorial) | | Lithium-Rich Claystone in the McDermitt Caldera, Nevada, USA: Geologic, Mineralogical, and Geochemical Characteristics...and Geology, University of Nevada, Reno, NV 89557, USA; vgerboa@gmail.com * Correspondence: chenry@unr.edu;...of the original hectorite discovery at the Hector Mine near Barstow, California” [2]. In pioneering work...equipment at the University of Nevada, Reno, NV, USA. Data were acquired on a PC using MDI Datascan software...Mines and Geology, University of Nevada, Reno, NV, USA. All samples were impregnated with epoxy prior to |  | Hillier, S., Roe, M.J., Geelhoed, J.S., Fraser, A.R., Farmer, J.G., Paterson, E. (2003) Role of quantitative mineralogical analysis in the investigation of sites contaminated by chromite ore processing residue. Science of The Total Environment, 308 (1). 195-210 doi:10.1016/s0048-9697(02)00680-0 | Journal (article/letter/editorial) | | weathering conditions on the disposal sites (brucite, calcite, aragonite, ettringite, hydrocalumite, hydrogarnet)...analogous in many ways to those studied at Hudson County, New Jersey (James, 1996; Meegoda et al., 1999)...environments around the world. In Europe and the USA, the process that produces this highly toxic waste... brownmillerite, periclase, larnite, brucite, calcite, aragonite, ettringite, hydrocalumite, hydrogarnet...Periclase MgO Larnite Ca2SiO4 Brucite Mg(OH)2 Calcite CaCO3 Notation for some cement analogues Known |  | | Journal (article/letter/editorial) | | Copyright © 2000 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/00 $20.00 ⫹ .00 Pergamon...University of New York, Brooklyn, NY 11210-2889, USA 3 State Scientific Center for Environmental Radiogeochemistry...Engineering, University of Idaho, Moscow, ID 83844-3022, USA (Received November 23, 1998; accepted in revised...1990) into the sorption of Nd onto orthoclase and calcite at 50°C have also been reported. According to them...them, Nd sorption onto orthoclase and calcite is best modeled by a Langmuir-type isotherm, whereas a |
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