 | | Journal (article/letter/editorial) | | post-Variscan lead±zinc mineralization, Rhenish Massif, Germany: evidence for sul®de precipitation via thermochemical...post-Variscan lead±zinc deposits in the Rhenish Massif, Germany. Based on the analysis of 200 samples, Variscan...RWTH Aachen, SuÈsterfeldstraûe 22, 52072 Aachen, Germany e-mail: jochum@rwth-aachen.de precipitation via...speci®c role of hydrocarbons in ore deposits of Germany has scarcely been investigated (with the exception...Massif. The Paleozoic Rhenish Massif in Central Germany hosts a large number of epigenetic siderite and |  | | Journal (article/letter/editorial) | | Selected Galena Occurrences in the North Eifel and North Sauerland, Germany D. Large*, R. Schaeffer Institut...collected from a variety of occurrences in the north Eifel and north Sauerland. On the basis of the data presented...sandstone-hosted disseminated mineralisation in the north Eifelo In the north Sauerland, Saxonian (late Mesozoic-Tertiary)...mineralised districts in northwest Germany - the north Eifel and the north Sauerland. The samples were taken...briefly described below. 236 North Ei fel The Maubach und Mechernich deposits are hosted by Triassic |  | | Journal (article/letter/editorial) | | western part of the Rheinisches Schiefergebirge, Germany L. Krahn ~, A. Baumann 2 i Geologisches Landesamt...Nordrhein-Westfalen, De-Greiff-Strasse 195, D-47803 Krefeld, Germany 2Zentrallaboratorium fiir Geochronologie, Institut...Wilhelms-Universitiit, Corrensstrasse 24, D-48149 Mfinster, Germany Received: 2 February 1994/Accepted: 7 August 1995...(Bunter sandstone) and Muschelkalk of the Maubach-Mechernich triangular depression covering the Paleozoic...carbonate-hosted ore impregnations of Maubach-Mechernich have a similar lead isotope pattern to the post-Variscan |  | | Journal (article/letter/editorial) | | andNaturalResources, D-30631Hannover,P.O.Box51 01 53, Germany Abstract After the Variscanorogeny,fromthe upperCarboniferous...bituminousmatter have been distinguished Miillenbach,Germany);D6hlen basin(Freital, Ger- organicchemistry(Dill...Apart from the many);Stockhelm basinandWeidenbasin,Germany; location of U mineralization in the lacustrine...M•neffe - Luxembourg, / E-France (Lorraine) Germany, Burgsondstein / Boyreuth(D) U • - Keuper:•'...• Kupferschiefer (Cu) (Cu) Cu,Pb, Zn[Pb-Zn) Germany, Poland ICu, Pb Cu [Zn, u Cu Nova Rudo (PL), |  | | Journal (article/letter/editorial) | | The distribution of bravoite and nickeliferous marcasite in central Britain BRAVOITE and nickeliferous...the Bunter sandstones of Mechernich, Eifel, and of Maubach, Rhineland, Germany (Baumann, I976), occurrences...lilac or brown subhedra associated with pyrite, marcasite, chalcopyrite, sphalerite, and galena and more...inclusions of zoned euhedra surrounded by pyrite and marcasite rims and within fluorite, calcite, baryte, and...Winster, Oxclose mine, Dirtlow Rake, and Odin mine, marcasite enclosing bravoite displays faint anomalous lilac |  | | Journal (article/letter/editorial) | | mineral with unit-cell edge 5-57 ~. comes from Mechernich, Rhenish Prussia, and contains as much as 24-73...original bravoite and a specimen of bravoite from Mechernich in the mineral collections of the British Museum...encrusted with fine-grained marcasite. The calcite crystals are filled with marcasite inclusions. Mr. Russell...impossible. Both bravoites from Mill Close mine and Mechernich, however, yie]d sharply defined X-ray photographs...Mill Close mine contains as much nickel as the Mechernich material, we have calculated that 43 ~ of the |  | | Journal (article/letter/editorial) | | Pb-Cu-Zn deposits in an epicontinental basin, SE Germany Harald G. Dill a,⁎, Zsolt A. Berner b a b Bundesanstalt...Rohstoffe, P.O. Box 510163, D-30631 Hannover, Germany Karlsruhe Institut für Technologie, Mineralogie...Geochemie, Adenauer Ring 20b, D-76131 Karlsruhe, Germany a r t i c l e i n f o Article history: Received...deposits Intraformational recycling Mesozoic SE Germany a b s t r a c t The sandstone-hosted Pb-Zn deposits...Triassic series of the epicontinental basin in SE Germany, were targeted upon in a literature review by Bjørlykke |  | | Journal (article/letter/editorial) | | Rb±Sr dating of sphalerites from the Maubach and Mechernich Pb±Zn deposits in the nearby Eifel gives an age...the south from the Brabant Parautochthon in the north (Fig. 1). This fault zone is fringed at its footwall...NNW-trending transverse faults that are related to the Rhine graben fault system (de MagneÂe 1967; Dejonghe and...sometimes have inclusions of chalcopyrite, pyrite and marcasite. This period of ore mineralisation was followed...Zn±Pb mineralisation at Bleiberg. py Pyrite; mc marcasite; cpy chalcopyrite attempts. Most Tm(ice) values |  | | Journal (article/letter/editorial) | | by minor amounts of Ni-Co-Fe sulpharsenides, marcasite, and tetrahedrite cementing the clastic grains...HEMATITE PYRITE BRAVOITE Ni-Co-Fe SULPHARSENIDES MARCASITE C HALCOPYRITE TETRAHEDRITE SPHALERITE GALENA "IDAITE"...amounts of bravoite and pyrite and trace amounts of marcasite, Ni-Co-Fe sulpharsenides, and tetrahedrite. In...crystal edges. Bravoite is enclosed within pyrite, marcasite, and sphalerite and enclosed and replaced by chalcopyrite...bravoite, chalcopyrite, and minor amounts of marcasite. The marcasite forms rims up to 10 #m in width around |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). Translation This book has book of but ...gar 140 144, Iron-pyrites 148, 143 Group Marcasite Pyrrhotite 149. Lollingite 147. Mispickel...28a. and group Marcasite, Mispickel, Lollin- Iron-ores 29. 10. 12. Marcasite tite. Dyscrasite...Co. prism faces Germany. Cube crystal-form. Weardale, 5. of Harz, The Germany. (bright crystals...The and is Springs, quartz. A crystal Westphalia. combination of has been broken therefore bounded |  | | Book | | at Berchtesgaden (Bavaria), Federal Republic of Germany, in 1981. The various contributions represent a...mineralizations in the Mediterranean periphery of North Africa in this volume - particularly since they...Permian Mineralizations in the Cantabrian Mountains (North-West Spain) (With 6 Figures) .....................Alpidic Metallogenetic Epoch in Central Europe North of the Alps (With 4 Figures) .....................Mineralization in the North-Eastern Sauerland (Rheinisches Schiefergebirge, Western Germany) (With 2 Figures) |  | | Journal (article/letter/editorial) | | 11, 13, and 28. = monoclinic pyrrhotite,ms= marcasite, pm -- polydymite, pn -pentlandite, po = pyrrhotite...Naldrett (1971) Strathcona hpo-mpo-pn-py Mechernich, Germany Marbridge No. 3 Zone I Zone I I Mmbridge...Alaskandeposits Mechernich,Germany Vanadiumore pn-po-vl-bv Pb-Zn ore by by by Maubach and Mechernich, Pb-Zn...67 66.67 66.67 66.67 66.67 66.67 66.67 66.67 Germany by 29.17 by 27.79 bv 25.70 by by by by ...by by by Mill Closemine Cp-py-bv by Maubach,Germany Pb-Znore by-Zone10 Cobalt,Ontario (Langis mine) |  | | Journal (article/letter/editorial) | | (rhodochrosite), galena, sphalerite, chalcopyrite, pyrite, marcasite, arsenopyrite, and tennantite. The following five...of Triassic sediments from the south toward the north onto the Jurassic sediments, the conchoidal limestone...June 2016 (Raibl, Bleiberg), and in West Germany (Mechernich, Maubach), and sporadically increased contents...observed in conchoidal-limestone sediments in Germany as a whole. In recent years, the occurrence of |  | | Journal (article/letter/editorial) | | hasbeendeterminedby Kullerudand Yoder (27), who also discussthe marcasite-pyriteinversion. Bravoite [(Fe,Ni)S•], which...Pyrite has a cubicstructure. T•,• = Pa3, and marcasite has an orthorhombic structure, Vn• = Pnnm. Pyrrhotitehasa...bravoite is stablebelow 137øC with pyrite (or marcasite). On the right bravoiteand vaesitecoexistbelow...nfillerite, linnaeite, siegenite, polydymite,and marcasite. In ore depositsbelievedto have formed through...one of a numberof alterationproducts such as marcasite and millerite. In sedimentsbravoiteoccurssometimesas |  | | Journal (article/letter/editorial) | | mineralisation’’ is composed of sphalerite, galena, pyrite, marcasite, fluorite, barite, calcite (or dolomite) and subordinate...sulphur source. Population 2 includes data from marcasite, which has 34S values of pre-ore iron sulphides...sulphides (mean of 18ø, Table 2). Because marcasite is locally enriched in shales and pyrite-oncolite layers...layers, the 34S values of marcasite could be inherited from sedimentary iron sulphides. Schulz (1983) reported...Rammelsberg, Harz, Germany (data from Anger et al., 1966); b Bad Grund mine, Harz, Germany (data from Sperling |  | | Journal (article/letter/editorial) | | δ34S range between 0 ‰ and +12 ‰. In contrast, marcasite samples show δ34S values between +16 ‰ and + 21...reduced sulfate of Zechstein origin and for the marcasite reduced cretaceous seawater sulfate are considered...area. Key words: Postvariscan Pb – Zn deposits, Germany, sphalerite chemistry, fluid inclusion studies...Gesteinen gelegenen Vererzungen von Maubach und Mechernich besitzen Isotopensignaturen von δ34S – 27 ‰ bis...triassische Sandsteine gebundenen Lagerstätte von Mechernich (Nordeifel) mit 168 ± 6 Mio. Jahren, also jurassisches |  | | Book | | Design: Hansbernd Lindemann, Berlin. Printed in Germany. Preface More than thirty years ago, microprobe...continental crust, the "reverse overlap" of the north-western anorogenic granites upon the older granite...galena, tetrahedrite, fine-grained pyrite and marcasite (both derived from the breakdown of earlier pyrrhotite)...Lille in France, Severgin in Russia, Vezrer in Germany, Jemson in Britain and other scientists at the...section were: Host Precipitate Pyrrhotite (now marcasite) Stannite, chalcopyrite, sphalerite Chalcopyrite |  | | Book | | Congress Catalog Card No. 66-17809 Printed in Germany 08 011635 3 PREFACE TO THE T H I R D (GERMAN)...G. FRIEDRICH, Aachen, Germany H . FROHBERG, Toronto, Canada R. L A GANZA, North Adelaide, S. Australia...Pullman, Washington R. A. ZIMMERMANN, Heidelberg, Germany 2 Bamdohr, Theorie Minerals XVÜ ABBREVIATIONS... FIG. 2 y2 X , drawing Sohland on the Spree, Germany 6 RAMDOHR So-called "pipe ore". The drops of...are galena, sphalerite, wurtzite, pyrite, and marcasite, also lead sulpharsenides. SCHNEIDERHÖHN interprets |  | | Book | | in the sedimentary copper deposits at Mansfeld, Germany. Other than in jewelry and silverware, its main... Famous old European placer deposits were the "Rhine gold" and the "Tauern gold," which were worked by...Celts and Romans. Gold was still being found in the Rhine as recently as 1874, when the course of the river...very low, about 1 gram per ton. The origin of the "Rhine gold" is unknown. The discovery of the placer deposits...zones, e. g., Siegerland, at Rheinbreitbach at the Rhine, at Bisbee, 5 Native Copper Aio, Arizona/USA Original |  | | Journal (article/letter/editorial) | | West Tasmania,• Mount Isa, Bathurst, Maubach-Mechernich, Ducktown types, etc. with remarks on Franklin...examination. periments for the synthesis, of marcasite, pyrite and magnetic pyrites from aqueous solutions...have been applied to the Meggen-type deposits in Germany, Nairne in Australia, the black sandy pyrite shales...Hill, West Tasmania, Mount Isa, Bathurst Maubach-Mechernich, Ducktown Types, etc. with Remarks on Franklin...bibliography of Fenton and Fenton (1952). The Maubach-Mechernich deposit was described by Behrend (1950) and the |  | | Book (volume) | | at an acute strikes northwest to north-south, the other west-north- In both systems the dip is steep...autunite, and the rarer uranium ores, ores, marcasite, arsenious pyrite, native arsenic, trogerite...veins is the so-called Eothe Kamm, which, striking north-northwest, cuts off sharply the granite bodies of...locality of great scientific interest is Webster, North Carolina. volume of the original In recent years...always occurs, with occasional particles of marcasite and copper pyrite, more rarely stibnite, arsenopyrite |  | | Report (volume) | | brought ~1000 per Rcre. A 200·ft. square lot of the North ::!tar property sold for $48,000, and 22!% royalty... Greece, 3-Romans anu Italy, France, Spain, 4-Germany, Belgium, Austria, 5-Prussia, Great Britain, 6... . . . . • . . . . . • . . . . . . . . . . . . North America .. . ...................................... . . . . . . . . . . 67 Upper Sllesia, 69-The Rhine Provinces , 71-Wes1phall a, 72-Nassan, 78-Hanover.................. 111 West Kootenay District, Bl-North Shor e of Lake Superior, 112 . CHAPTER V . TIIE |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...will dissolve gold, is made of nitric acid with Marcasite (Czechoslovakia) 50 %■• hydrochloric acid... Do not use this treatment for azurmalachite Marcasite Wash in warm distilled water, later adding ammonia...water and soak in acetone to dry. Decomposing marcasite smells of sulphur Mica group Generally acids are...Also found in Canada, Mexico, Czechoslovakia, and Germany. Old specimens from Wheal Newton, Harrowbarrow |  | | Book | | phosphorite. Sulphur, salt-petre, pyrite and marcasite are also of biological origin. Metamorphic Mineral...diamond — graphite, calcite — aragonite, pyrite — marcasite, quartz — cristobalite — tridymite, rutile — brookite...with petrol. Some sulphides, such as pyrite and marcasite, should not be treated with water, as this may...Nickel Pyrites, Nickel Glance) Harzgerode, Harz, Germany tin-white to light steel-grey metallic opaque...Mountains, Germany ARSENOPYRITE FeAsS (Arsenical Py- rite, Mispickel) Freiberg, Ore Mountains, Germany tin-white |  | | Journal (article/letter/editorial) | | が あ り稍 後 期 の 晶 出 に かゝ る様 で あ る く 第 四圖 。 白 鐵礦(Marcasite) 單獨 に 或 は 黄 鐵 ニ ッケ ル 礦 と共 生 して 普 遍 的 な 存 在 を示...1924年Buddington3) は ア ラ ス カ よ り 産 出 を 報 告 し,1929年 Mechernich産 に はKalb及 びMeyer4)が ドイ ツ の 本贋 物 に就 い て 顯...ペ ン トラ ン ド礦 或 は 磁 硫 鐵礦 を 交 代 す る礦 物 は あ つ て, Mechernich産 の 累 帯構 造 を な す 本礦 を黄 鐵ニッ ケ ル 礦と して 琢 磨 面 の...Cobaltfuhrung der Knotten erzlaeerstatte von Mechernich.,Centralb. f. Mineral., Abt. A, 1926. pp. 2628 |
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