 | | Report (issue) | | mbH in Frankfurt am Main, Federal Republic of Germany, and his colleagues who assisted, deserve special... M. Moreau, F. Tona The Pandanus Creek uranium mine, Northern Territory, Australia ......... 77 B...Geology and genesis of uranium deposits at the Pitch Mine, Saguache County, Colorado .......................the Southern Black Forest, Federal Republic of Germany ............................... H.W. 247 Bültemann...Bültemann, W.D. Bültemann The Großschloppen-Hebanz uranium occurrences - a prototype of mineralized structure |  | | Journal (article/letter/editorial) | | Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract The Central European Variscides and their...West Sudetes and its western prolongation the Fichtelgebirge-Erzgebirge Anticline which is well known for...2.1.4. The Subvariscan Foredeep 8 During the Upper Carboniferous, the Subvariscan Foredeep subsided...in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland. The basin fill...calcareous platform sediments of the Malm series (Upper Jurassic) (Dill and Klosa, 2011). The Late Mesozoic |  | | Journal (article/letter/editorial) | | of the Untere Schieferhfille in the area of the upper Schlegeistal (Zillerthal Alps, Northern Tyrol)....r Z e m m g r u n d . Basing on a p a p e r of Christa (1934) t h e a m p h i b o l i t e series e x h...hornblende Jr paragonite ~- margarite ~- garnet -~ calcite -~ epidote ~ biotite ~- kyanite. The above sequence...are often replaced by biotite and quartz. Calcite. Calcite forms small anhedral grains, which sometimes...examined samples lacked calcite completely ; the remaining samples had a calcite content between 5 and |  | | Journal (issue) | | recently, as rewards for crawling around on old mine dumps chipping out a bit here and a bit there, normal...locality is an old, well-known one, the Charcas Mine near San Luis Potosi. However, only in the past...together with a little pyrite and considerable calcite. T h e calcite is often in basal plates, an indication...most of the sulphide mineralization had ceased. Calcite is still later and, in some cases, earlier; coarsely...and replaced by calcite. M a n y of the danburites are also coated later with more calcite, and attempts |  | | Journal (article/letter/editorial) | | Juni I35, D-1000 Berlin 12, Federal Republic of Germany 2 Mineralogisches Institut, Olshausenstr. 40-60...40-60, D-2300 Kiel, Federal Republic of Germany Abstract. Several different m e t a m o r p h i c events...e r a l assemblages. These assemblages include calcite, d o l o m i t e , tremolite, diopside, forsterite...and belongs to the penninic zone. The m a p by Christa (1931) shows marble layers occuring within an...belong, contain assemblages with the minerals : calcite-dolomite-(titanian)clinohumite-chloriteludwigite |  | | Journal (article/letter/editorial) | | Federal Republic of Germany) and K. yon Gehlen (Frankfurt-am-Main, Federal Republic of Germany) . . . . . ....Tauber and J. Arndt (Tfibingen, Federal Republic of Germany) ................................................Borchardt (Clausthal-Zellerfeld, Federal Republic of Germany) ................................................ W, Rammensee (G6ttingen, Federal Republic of Germany) and D.G. Fraser (Oxford, Great Britain) ........configurations G. FrShlich (Stuttgart, Federal Republic of Germany) . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | Jarnot, Annandale, VA Dr. Gunther Neumeier, Munich, Germany Terri Ottaway, Toronto, Canada John Sinkankas,...CT Concept & Design Maximilian Glas, Starnberg, Germany English Edition © 2002 by Lapis International...Marcus Budil Printed in Germany Cover A 6.5 cm emerald specimen with calcite from Coscuez, Boyaca, Colombia...Weise Yerlag, Munich, Germany German Edition © Christian Weise Verlag, Munich, Germany ISBN 3-921656-58-3...English No. 2 - - - ------- with Contributions by Christa Behmenburg, Lawrence Conklin, Gaston Giuliani, |  | | Journal (article/letter/editorial) | | Accepted: 17 February 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract The 1370...related products of fractional crystallisation, with calcite carbonatites representing cumulate rocks and dolomite...most carbonatites are Ca- and/or Mg-rich, forming calcite and dolomite carbonatites, a relatively minor group...identify four primary rock types: (1) dolomite and calcite carbonatites—also known as the Lyons River Sills—(Fig...of dolomite carbonatites (Fig. 3a) with minor calcite carbonatites (Fig. 3b). Weathered surfaces of both |  | | Journal (issue) | | Revitalization Task Force was convened on May 10th at the Franconia Notch State Park Headquarters. Dr. David Wunsch...mineral raffle specimens, a spectacular 3”x4” bladed calcite crystal cluster! Mark your calendar now and have...Moultonborough HS who is this year's recipient of the Christa McAuliffe Teacher Sabbatical. The NHGS will be...Geologist’s Update, continued The course is designed for upper-level undergraduates and graduate students, and...stone, it is the bedrock of Cannon Mountain, in Franconia Notch. Fortuitous glacial plucking and frost wedging |  | | Journal (issue) | | an Mineralien und Fossilien haben Fossiliensammeln im Ries• Erzmineralien von Wittichen Granit in allen...481-528 Wie aufgrund der arsenreichen Primärparagcncse im Ganggebiet von Wntichcn nicht anders zu er warten...lien aus den Schwarzjurato11en der B1111ten Brekzie im Steinbruch Foto: D. Bollinger Bschor. Zu erwartungsvoll...Kata strophe wandeln. kann dies eigent lich nur im Nördlinger Ries ge schehen: Hier krachte vor fast...Fossiliensammler 484 Bücher 485 Mineralarten im Bild Simon K. Komotauer: Chalcedon. SiO 2 487 Fossilien |  | | Journal (issue) | | (auch Doppelnr. möglich) Bezugspreis Für Mitglieder im Mitgliedsbeitrag inbegriffen Abonnement € 7.-/Jahr...Umweltschutzreferent (Dr. Rudolf Pavuza) VÖH-Bibliothek (Christa Pfarr) Österr. Höhlenverzeichnis (Dr. Lukas Plan)...jüngsten Forschungserfolgen nun mehr als 5 km lang), und im Schönberg-Höhlensystem ist der 140. Kilometer gefallen...gefallen. Abgesehen von den Forschungsaktivitäten fanden im Oktober ein Höhlenforschertreffen und die diesjährige...Besuchern ein vielseitiges Programm geboten wurde und im Zuge dessen vier herausragende österreichische HöhlenforscherInnen |  | | Journal (issue) | | Brace-Thompson Exploring Fluorescence History Christa Lynn Van Eerde 44 THE GREAT MUNICH GEM AND MINERAL...Lapidary ❖ Home Decor and more! Neptunite Benitoite Gem Mine San Benito County,CA Martin Zinn Collection Photo...Fossils • Live Demos Crack a Geode • Kids Korner • Gem Mine Silent/Chinese Auctions • Door Prizes Exhibits •...Interes t By Bob Jones Fluorescent uorite and calcite specimen from t e ure otential ine in ri ona GETTY...end up with some form of activator trapped in calcite, aragonite, willemite, halite, and several fluorescent |  | | Journal (issue) | | 06221/413411 Der Bezugspreis für Mitglieder ist im Jahresbeitrag von DM 60,- (Ausland DM 72,-) enthalten...Österreich und in Dresden im eigenen Hause gezeigt (Abb. 1). Damit sei ein Hinweis im Aufschluss 41, S. 165...Einleitung Gerade in einer Zeit großer Veränderungen im neuen Freistaat Sachsen erinnert eine Ausstellung...einstigen Reichtum dieses Landes. In einer Zeit, da im Erzgebirge der Silbererzbergbau zwar schon seit 1913...Bewegungen an Menschen. wie an Material, vor allem im Westerzgebirge. Riesige uniforme „Siedlungen" entstanden |  | | Journal (article/letter/editorial) | | Münster, Germany 2Max-Planck-Institut für Eisenforschung GmbH, D-40237 Düsseldorf, Germany 3Lurgi-Umwelt...GmbH, Lurgiallee 5, D-60295 Frankfurt am Main, Germany Abstract: Economical and ecological targets force...raw coal (Table 2) the precursor of anhydrite is calcite or gypsum, which had been decomposed during the...thermal analysis the decomposition temperature of calcite in the range of 800-900°C is well known (e.g. Gumz...remains unclear. Calcium oxide generated from calcite or gypsum of the coal is highly refractory and |  | | Report (issue) | | . Geologische Bundesanstalt (Austria). Geologie im Dienste Osterreichs : Geologische Bundesanstalt Wien...de Palagonia (Sicile). 1967. 170 (550) H758pa BAVARIA--GEOLOGY--COLLECTED WORKS. GLA Fachberichte. (530...the world. R 090 D738 New York : Wiley, c!985. CALCITE. Baumann, Joachim. Losungskinetik von kalzit in...in porosen gesteinen = Dissolution kinetics of calcite in porous media. Kiel : Geologisch-.. Palaontologisches...Survey, 1987. (200) R29o no.87-4A-B CLAY SOILS GERMANY (WEST) . Brunhof, Waldemar. Geomechanische Eigenschaften |  | | Journal (article/letter/editorial) | | An-plagioclase -~ K-feldspar ~ 2 ironhydroxide ~- CO2 ~ calcite -4- muscovite ~- hematite A- quartz. In the reducing...(1894), Becko (1906), Cornelius (1913, 1935) u n d Christa (1931). Angel (1930) versuchte als erster den Vorgang...entstammen einem Profil progressiver Metamorphose im Gebiet des Boknfjords. Dieses Gebiet wurde 1920 yon...sehwaeh-metamorphen trilobitenfiihrenden Alaunsehiefern im SE fiber Metamorphite in Grfinsehioferfazies bis...Disthen-Almandin-Muskovit-Quarz-Paragenesen der Amphibolitfazies im N W an. Ffir die Mikrosondenuntersuehungen wurden |  | | Journal (article/letter/editorial) | | fed by municipal water and treated stormwater Christa L. Riley, Carmen A. Nezat * Department of Geology...saturated with respect to CaCO3 (aragonite or calcite) when the partial pressure of CO2 decreases, and/or...University Ge ology Alumni-funded Research Grant to Christa (Murphy) Riley in 2016. 4.4.3. Storm events Some...Applications of Geochemistry, second ed. Prentice Hall, Upper Saddle River, New Jersey. Fernandez, A., 2012. Spokane |  | | Journal (issue) | | Huttonit- und Xenotim-(Y) aus der Eifel • Schöne Calcite aus Becke-Oese/Sauerland /2002 6,50€ Heft...Über einen Zufallsfund auf der Zinnerzgrube Sauberg im Erzgebirge berichtet unser Autor Gert Leichsenring...Mineralien machte Harry Hadasch in einem Steinbruch im Sauerland . Ab der Seite 16 finden Sie den großen...- - - - - - - - - - - - - - -15 Weltfunds te 11 e im Sauerland : Der Steinbruch am Kuhlenberg bei Silbach...Selberfinden macht mehr Spaß: Schöne Calcite aus Becke-Oese im Sauerland 30 --------------32 Hutton i |  | | Journal (issue) | | Mountain. David also introduced the recipient of a Christa McAuliffe Grant, Dan Reidy. Dan teaches 6th grade...Raffle Winners: Malachite – Garrett Graaskamp, Calcite – Josh Shenker USGS Report Shows High Arsenic |  | | Journal (article/letter/editorial) | | Karlsruhe, Germany Deutsches GeoForschungsZentrum, Telegrafenberg, 14473 Potsdam, Germany; wirth@gfz-potsdam...applied Geosciences, Technical University of Berlin, Germany. Phase analysis was carried out with PHILIPS X´Pert...Microscopy (ZELMI), Technical University of Berlin, Germany. For qualitative investigations with the SEM, the...Cameca Camebax instrument at the ZELMI, TU Berlin, Germany. Natural and synthetic standards were used for...albite is up to 1.5 cm in size and associated by calcite and quartz whereas medium-grained albite (1–5 mm) |  | Prendergast, A.L., Azzopardi, M., O'Connell, T.C., Hunt, C., Barker, G., Stevens, R.E. (2013) Oxygen isotopes from Phorcus (Osilinus) turbinatus shells as a proxy for sea surface temperature in the central Mediterranean: A case study from Malta. Chemical Geology, 345. 77-86 doi:10.1016/j.chemgeo.2013.02.026 | Journal (article/letter/editorial) | | palaeothermometry records. This study extends the upper growth limit P. turbinatus by 2 °C compared with...intertidal zone whilst other species are found in the upper intertidal zone (Menzies et al., 1992). In addition...turbinatus shells consists of an outer homogeneous calcite layer and an inner nacreous aragonite layer. Cyclic...to assess whether the aragonite had altered to calcite as a result of diagenesis (Kato et al., 2003)...allow comparison between the studies. The outer calcite layer was removed from the edge of the outer whorl |  | | Journal (article/letter/editorial) | | dolerites, lavas) and tectonites (harzburgites) Christa Grpel 1, Claude J. Allrgre 1 and Rong-Hua Xu 2...dolerites which occur as sills and dykes in the upper part (XOD 28, XOD 24, 574) as well as dolerite dykes...Dunite-harzburgite XOD 513 was the only sample containing calcite. It appears as thin lamellae between olivine grain...crystallization. A small separate (1.8 mg) of calcite was made and trace elements were analyzed with...harzburgite XOD 4. The only peridotitic rock containing calcite, sample XOD 513, shows the least radiogenic Pb |  | | Journal (article/letter/editorial) | | microlites consist of clinozoisite and sericite (Christa, 1931; Cornelius, 1935). The different types of...which shows clouded plagioclase near the chilled upper contact, although the feldspar of both the central...q'oartz, biotite, hornblende, garnet' and even in calcite and serpentine.Platy or needle-likeopaque inclusions...amphiboles, micas, quartz, potash feldspars, garnet, calcite, and serpentine. The particles which produce clouding |  | Lucassen, Friedrich, Escayola, Monica, Romer, Rolf L., Viramonte, José, Koch, Kerstin, Franz, Gerhard (2002) Isotopic composition of Late Mesozoic basic and ultrabasic rocks from the Andes (23–32°S) – implications for the Andean mantle. Contributions to Mineralogy and Petrology, 143 (3) 336-349 doi:10.1007/s00410-001-0344-3 | Journal (article/letter/editorial) | | Berlin, Ernst Reuter Platz 1, EB15, 10623 Berlin, Germany E-mail: lucassen@gfz-potsdam.de M. Escayola Æ J...GeoForschungsZentrum Potsdam, Telegrafenberg, 14473 Potsdam, Germany F. Lucassen Mineralogisches Institut, Universität...Universität Münster, Corrensstrasse 24, 48149 Münster, Germany Present address: F. Lucassen GeoForschungsZentrum...GeoForschungsZentrum Potsdam, Telegrafenberg, 14473 Potsdam, Germany Editorial responsibility: J. Hoefs most samples...rocks from mafic intrusionsc–e at low-P granulite to upper amphibolite faciesf, isochemical metamorphism 180 |  | Christopher Jenkins, M., Mungall, James E., Zientek, Michael L., Holick, Paul, Butak, Kevin (2020) The Nature and Composition of the J-M Reef, Stillwater Complex, Montana, USA. Economic Geology, 115 (8). 1799-1826 doi:10.5382/econgeo.4777 | Journal (article/letter/editorial) | | 202, Spokane, Washington 99201, USA 3Stillwater Mine, Sibanye-Stillwater, 2562 Nye Rd., Nye, Montana...Abstract In this contribution, we analyze 30 years of mine development data and quantitatively identify the...of the Stillwater mine. We compare these results with data from the East Boulder mine and whole-rock lithogeochemistry...sulfides in different spatial domains of the Stillwater mine area and between the Stillwater and East Boulder...locations: the East Boulder mine in the western part of the complex and the Stillwater mine, located in the Stillwater |
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