 | | Journal (article/letter/editorial) | | IN T H E H A R Z MOUNTAINS, FEDERAL REPUBLIC OF GERMANY P. MOLLER', G. MORTEANI2 and P. DULSKI' 'A bteilung...m.b.H., D-I O00 Berlin 39 (Federal Republic of Germany) ~A bteilung f~r Geophysik, Petrologie und Lagerst~ttenforschung...Berlin, D-1000 Berlin 12 (Federal Republic of Germany) (Received June 7, 1983; revised and accepted December...veins in the Harz Mountains, Federal Republic of Germany. Chem. Geol,, 45: 91--112. Studies of the REE distribution...magmatites, of the Harz Mountains, revealed that the calcite of the banded ores crystallized from hybrid magmatic--metamorphic |  | Möller, P., Morteani, G., Hoefs, J., Parekh, P.P. (1979) The origin of the ore-bearing solution in the PbZn veins of the western Harz, Germany, as deduced from rare-earth element and isotope distributions in calcites. Chemical Geology, 26 (3) 197-215 doi:10.1016/0009-2541(79)90046-9 | Journal (article/letter/editorial) | | Berlin, D-IO00 Berlin 39 (Federal Republic of Germany) 2Institut fiir Angewandte Geophysik, Petrologie...Berlin, D-I O00 Berlin 12 (Federal Republic of Germany) 3Geochemisches Institut, UnWersitKt G~ttingen...G~ttingen, D-3400 G~ttingen (Federal Republic of Germany) (Received February 12, 1979; accepted for publication...solution in the Pb--Zn veins of the western Harz, Germany, as deduced from rare-earth element and isotope...of St. Andreasberg, Clausthal and Bad Grund, western Harz, Germany, have been determined. Three types |  | | Journal (article/letter/editorial) | | characteristics of mine water in the Harz Mountains, Germany ⁎ Elke Bozaua, , Tobias Lichab, Wilfried Ließmanna...A.-Römer-Str. 2A, 38678 Clausthal-Zellerfeld, Germany Universität Göttingen, Angewandte Geologie, Goldschmidtstr...Goldschmidtstr. 3, 37077 Göttingen, Germany A R T I C L E I N F O A B S T R A C T Keywords: Harz Mountains...waters from Permian layers in the Kupferschiefer district and at the deeper levels of the mines in the Upper...sampling locations The Harz Mountains in Northern Germany are part of the Rhenohercynian Zone of the Variscan |  | | Journal (article/letter/editorial) | | OF ALTERED VARISCAN GRANITES: THE WESTERN HARZ (GERMANY) AND SOUTHERN SARDINIA (ITALY) G. M O R T E A N...Miinchen, 8046 Garching (Federal Republic o f Germany) 2A. G. Geochemie, Hahn--Meitner-Institut fiir... m.b.H., 1000 Berlin 39 (Federal Republic o f Germany) 3 Geochemisches Institut der UniversitEt G6ttingen...G6ttingen, 3400 GSttingen (Federal Republic o f Germany) (Received December 3, 1984; revised and accepted...of altered Variscan granites: the western Harz (Germany) and southern Sardinia (Italy). Chem. Geol., 54: |  | | Journal (article/letter/editorial) | | application to Pb-Zn deposits in the Harz Mountains, Germany Y.-F. Zheng* and J. Hoers Geochemical Institute...G6ttingen, Goldschmidtstrasse 1, W-3400 G6ttingen, Germany Received: October 23, 1991/Accepted: September...to the precipitation of calcite; (2) mixing between fluid and rock: (a) calcite precipitation due to fluid/rock...interaction, (b) secondary alteration of primary calcite by interaction with a subsequent fluid. The models...fractionation effects during equilibrium precipitation of calcite from a hydrothermal fluid, the mixing processes |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...organic origin; the most prominent example is CaC03, calcite. The triangular C03 group gives threefold symmetry...‘perfect’ is used for -34- Twinned crystals Calcite Cassiterite Chrysoberyl Albite -35- cleavage...Topaz 7 Quartz 6 Feldspar 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc All that the scale tells us is...pressure conditions appropriate for growth. Quartz, calcite, zeolites and clay minerals grow Vanadinite (Morocco) |  | | Journal (issue) | | water-rock interaction in the Harz Mountains (Germany) E. Bozau, H-J. Stärk, G. Strauch & C. Swanson...Thermal water spring, showing sinter of iron-rich calcite. Participant of the EAGE/EFG photo contest 2015...Research Topics. Each of these intersections, also at lower levels (2, 3 and 4), facilitates summarising the...drinking water supply region for northern and eastern Germany today. A number of hydrogeochemical studies have...important drinking water supply region for northern Germany today. The water quality of the Harz Mountains |  | | Journal (article/letter/editorial) | | Institut, Goldschmidtstr. 1, D-37077 Gottingen, Germany ¨ Received 25 December 1997; accepted 21 December...system in the Northern Harz Mountains of Central Germany has been chosen because of the wide range of chemical...1942 in the Northern Harz Mountains in Lower Saxony, Germany ŽFig. 1.. Besides providing drinking water...Dam and contour lines ŽHarz Mountains, Central Germany.. M. Frei et al.r Chemical Geology 170 (2000)...Ž2. Ž7 km2 ; 15%., Ecker gneiss Ž8 km2 ; 17%., Harzburg gabbro intrusion Ž5 km2 ; 11%. and Acker–Bruchberg |  | | Book | | in crystal form, e.g. the many crystal forms of calcite. Perfect models of crystals are only confusing...are some rocks (such as marble, composed only of calcite crystals) which are chemically homogeneous but...fissures. Well known minerals, such as quartz and calcite, originate at this stage and are known as /iydrothermal...is liberated, which may affect the neighbouring calcite, changing it into gypsum or into a whole series...chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite, also originate |  | | Journal (article/letter/editorial) | | crystalline rocks of the Upper Harz Mountains, Germany By ALBRECHT BAUMANN, BORW1N GRAUERT, Miinster,...metasedimentary rocks of about 1 . 6 G a or older. The lower intercept indicates a possible metamorphic event...Mountains. Emplacement of the intrusions of the Harzburg gabbronorite and the Brocken and Oker granites...the Ecker gneiss block, now squeezed in between Harzburg gabbronorite and Brocken granite, was connected...place des intrusions du massif gabbronoritique du Harzburg et celle des granite de Brocken et d'Ocker ont | | | Book | | in crystal form, e.g. the many crystal forms of calcite. 7 a i ■ I II I g 1 I I3 . Perfect models...arc some rocks (such as marble, composed only of calcite crystals) which are chemically homogeneous but...fissures. Well known minerals, such as quartz and calcite, originate at this stage and arc known as hydrothermal...is liberated, which may affect the neighbouring calcite, changing it into gypsum or into a whole series...chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite, also originate |  | | Journal (issue) | | SCHNORRER-KÖHLER, G.: Der Gabbrosteinbruch im Radautal bei Bad Harzburg und seine Minerale 253 Aus den Sammlungen...August 1981 Der Gabbrosteinbruch im Radautal bei Bad Harzburg gehört zu den wenigen heute noch für den Sammler...werden! Der Gabbrosteinbruch.im Radautal bei Bad Harzburg und seine Minerale Von Uwe STEINKAMM und Günther...befindliche Gabbrosteinbruch im Radautal südlich von Bad Harzburg. Seine Bedeutung liegt weniger in der Schönheit...Autoren: Dr.-Ing. Uwe STEINKAMM, Am Stollen 18, D-3380 Goslar; Ing. (grad.) Günther SCHNORRER-KÖHLER, Mineralogische |  | | Book (edition) | | opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho- beam on...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit, Herault dept.. France... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur |  | | Journal (issue) | | . Besonders vielgestaltig sind die Formen der Calcite aus dem b i o I o g i s c h e n Hierbei sind zwei...Calciten. Experimente zu diesem Thema sind für Calcite nicht bekannt (wohl für die experimentelle Verwachsung...CHERNEVA, 1. (1972): Conditions of formation of Calcite Crystals, Kristall u. Technik, 7. 497. KLEIN. E...Radautal bei Bad Harzburg Der heute noch im Abbau stehende Gabbrobruch bei Bad Harzburg wurde mineralogisch...und/oder auf Epsomit vorkommt. Grube Friedrichssegen, Bad Ems/ Rheinland Pfalz Der sog. Emser Gangzug, auf |  | | Journal (issue) | | • Email: info@kristalle.com Harz Mountains, Germany by Günter Grundmann Thomas P. Moore Wendell E...COVER: PROUSTITE, 3.5 cm, from St Andreasberg. Germany, found in 1899; ex collection of Richard Baldauf...St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany ........................(Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany Günter Grundmann Eschenweg...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: it |  | | Journal (issue) | | unverändert bleibt. Brenkit - Calcit Kleine , spitze Calcite , besonders wenn sie mit Zeophyllit vorkommen,...Untersuchung der vorliegenden Kristallform . Die meisten Calcite zeigen als Kopfflächen Rhomboeder, die sie deutlich...Basel Prof. Dr. Wilhelm Meyer, Bonn Ulrich Heidtke, Bad Dürkheim Frau M . Hlatky, Judenburg/Stmk, Österreich...G. Schnorrer-Köhler, Göttingen Herr W. Wehrle , Bad Säckingen Herr H. Welzel, Hannover b) Vorgeschlagen...Ausflugsziel Im Neckarraum ist das Salzbergwerk Bad Friedrichshall-Kochendort. Da im Schacht Reparaturarbeiten |  | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . Zweiachsige Calcite . . . . . . . . . . . . . . . . . . . . . . . ...nur eia kleineres Vorkommen vom Iberg, n6rdlich Bad Grund, bekannt ist. (Es sprechen weder geologische...eingesunken ist). I m Bereieh des ,,Gabbrosteinbruchs Bad Harzburg" wurde in den Jahren 1962--1964 nur eine Marmorscholle...Auffallend ist eine teilweise starke Pigmentierung der Calcite durch feinste Einschliisse. I n manchen KSrnern...PAVLITSCH (1950) schreibt fiber die zweiachsige Calcite: ,,Aus der Literatur ist zu entnehmen, dub es sich |  | | Journal (issue) | | Silbererzre vier St. Andreasberg im Harz 0 10km r C=:J Bad Lauterberg Granit CJ Kontaktgesteine IT] SiO...ultramafitischer Zusammensetzung statt, wie z. B. der nach Harzburg benannte Harzburgit. Absolute Altersbestimmungen...noch heute als einziges Bergwerk die Erzgrube in Bad Grund vorwiegend Zinkblende, Bleiglanz und Kupferkies...Paragenese und die langwellige Fluoreszenz der Calcite wichtige Hinweise geben. Allerdings müssen dabei...Fadenbildungen etc.). Der Vortrag von Ullrich HEIDTKE (Bad Dürkheim) über den „ Historischen Quecksilberbergbau |  | | Book | | Binding: Lüderitz & Bauer, Berlin. Printed in Germany. Dedicated to my former teacher and friend Professor...Grigoriev (U.S.S.R) Prof. Dr. F.K. Drescher-Kaden (Germany) Mr. D. Minatidis (Canada) Dr. E. Mposkos (Athens)... Dr. Thesis, University of Frankfurt am Main, Germany. Fig. 551, by Wager and Deer from Theoretical Petrology...relatively low dissociation-pressure as compared with calcite, has not normally been prevented from reacting...with the cleavage direction of the granoblastic calcite of the marble in which the olivine has been formed |  | | Book | | one that will again defined as groups for the lower sec- 2< make a positive identffica- tion of the...characteristic—also weight of a specific mate- The lower section of the margin bar is rial compared with...testing devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...crystals, and weathered surfaces can give a false lower hardness. Metal holders in which mineral chips...considered light (amber 1.1); those from 2 to 4 normal (calcite 2.7); and those above graduated cylinder that | | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...ting devices 1 2 3 4 5 6 7 8 9 10 talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like...considered light (amber 1.1); those from 2 to 4 normal (calcite 2. 7); and those above 4 are heavy (lead 7.5). | | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As many...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...SimEle testing devices 1 2 3 4 5 6 7 talc gypsum calcite fluorite apatite orthoclase quartz topaz corundum...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a po}Vder-like...considered light (amber 1.1); those from 2 to 4 normal (calcite 2.7) ; and those above 4 are heavy (lead 7.5). |  | | Journal (issue) | | Notizen (Harz . gabbraslakkengroeve Radautal . Bad Harzburg mineralen ; Letmathe ; Ramsbeck/Sauerland .... NRW : Velbert / NRW : groeve Friedrichssegen . Bad Ern a : Tsumeb . Namibia ) 59-72 Die hydrothermale...Canadian rnineral stamps issue d 402-4D4 Kimzey calcite quarry . Magnet Cove : Arkansas . US A 410-415...1-16 Une belle calcite . . une lecon de cristallo graphie par ('image . . . et cette calcite d e Mant-sur-March |  | | Book | | Martin Meschede Laurence N. Warr The Geology of Germany A Process-Oriented Approach Regional Geology...Reviews Series editors Roland Oberhänsli, Potsdam, Germany Maarten J. de Wit, Nelson Mandela University, Port... Martin Meschede • Laurence N. Warr The Geology of Germany A Process-Oriented Approach 123 Martin Meschede...and Geology University of Greifswald Greifswald, Germany Laurence N. Warr Institute of Geography and Geology...Geology University of Greifswald Greifswald, Germany ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional |  | | Book | | feldspars, amphiboles, pyroxenes, micas, olivine and calcite. These minerals form rocks, and rocks are the basic...formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals are present in the...Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...a later stage with different minerals, such as calcite, quartz and chalcedony. Many minerals arise from...give rise to various minerals, such as aragonite, calcite, chal cedony and cinnabar. On the surface of the |
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Gabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany