 | | Journal (article/letter/editorial) | | dewatering of the middle crust: An example from SW Germany Sebastian Staude, Paul D. Bons, Gregor Markl ⁎...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany a r t i c l e i n f o Article history: Received...the Schwarzwald hydrothermal ore district in SW Germany. Five different generations of mineralization,...ascent, and (b) use the Schwarzwald ore district (Germany) as an example to test this model. 2. Fluid expulsion...chose the Schwarzwald as an example, because this region is well known in terms of geology, tectonics, mineralogy |  | Staude, S., Mordhorst, T., Neumann, R., Prebeck, W., Markl, G. (2010) Compositional variation of the tennantite–tetrahedrite solid-solution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes and fluid source. Mineralogical Magazine, 74 (2) 309-339 doi:10.1180/minmag.2010.074.2.309 | Journal (article/letter/editorial) | | solidsolution series in the Schwarzwald ore district (SW Germany): The role of mineralization processes and fluid...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany [Received 30 October 2009; Accepted 28 April 2010]...locations in the Schwarzwald ore district of SW Germany. Electron microprobe analysis is used to correlate...sediments. The basement is subdivided into the Baden-BadenZone (BBZ) in the North (belonging to the Saxothuringian)...1980). From the Middle Triassic to Jurassic, SW Germany was part of a shelf platform with distinct time |  | Ströbele, Florian, Staude, Sebastian, Pfaff, Katharina, Premo, Wayne R., Hildebrandt, Ludwig H., Baumann, Albrecht, Pernicka, Ernst, Markl, Gregor (2012) Pb isotope constraints on fluid flow and mineralization processes in SW Germany. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (3) 287-309 doi:10.1127/0077-7757/2012/0225 | Journal (article/letter/editorial) | | fluid flow and mineralization processes in SW Germany Florian Ströbele, Sebastian Staude, Katharina Pfaff...With 6 figures and 3 tables Abstract. Southwest Germany hosts a variety of Permian to Cenozoic hydrothermal...hydrothermal deposit 1. Introduction In southwest Germany, more than 1000 hydrothermal mineralizations of...Schweizerbart’sche Verlagsbuchhandlung, Stuttgart, Germany DOI: 10.1127/0077-7757/2012/0225 www.schweizerbart...147 82-137 Wiesloch 71, 72 Bruchsal 76 81 Karlsruhe 49°00’N 138-145 Soultz-sous-Forêts unmineralized |  | Staude, Sebastian, Göb, Susanne, Pfaff, Katharina, Ströbele, Florian, Premo, Wayne R., Markl, Gregor (2011) Deciphering fluid sources of hydrothermal systems: A combined Sr- and S-isotope study on barite (Schwarzwald, SW Germany) Chemical Geology, 286 (1) 1-20 doi:10.1016/j.chemgeo.2011.04.009 | Journal (article/letter/editorial) | | and S-isotope study on barite (Schwarzwald, SW Germany) Sebastian Staude a, Susanne Göb a, Katharina Pfaff...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany US Geological Survey, MS 963, Box 25046, Denver...barites from hydrothermal mineralizations in SW Germany were investigated, for the first time, by a combination...(2011) 1–20 Hydrothermal mineralizations in SW Germany have been studied for a long time. More recent...formation 2.1. Geological background Southwest Germany consists of the Variscan crystalline basement of |  | | Journal (article/letter/editorial) | | Tübingen, Germany Institut für Mineralogie, Senckenberganlage, D-60054 Frankfurt, Germany b Received...veins in the Schwarzwald mining district, South Germany, shows a wide variation in d65Cu ranging from 2...of Central Europe, the Schwarzwald in Southwest Germany. The purpose of this study was (1) to investigate...granitic basement in the Schwarzwald area, Southwest Germany, is bounded to the West by the Tertiary Rhinegraben...U or Cu since Roman times. In one deposit (Clara mine near Wolfach, 2 km West of no. 11 on Fig. 1), a |  | | Journal (article/letter/editorial) | | Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany Received 17 June 2005; accepted in revised form...2005 Abstract In the Schwarzwald area, southwest Germany, more than 400 hydrothermal veins hosting different...rocks. Many of the post-Variscan fluorite–barite–quartz veins are considered to have precipitated through...of barites from 44 hydrothermal fluorite–barite–quartz veins vary from 9 to 18& (CDT), sulfide ore minerals...General geology In the Schwarzwald area, southwest Germany, Variscan crystalline basement rocks have been |  | | Journal (article/letter/editorial) | | Tübingen, Germany b Institut für Mineralogie, Callinstrasse 3, D-30167 Hannover, Germany Received 25...mineral separates from the Schwarzwald region, southwest Germany, were analyzed for their iron isotope...of Central Europe, the Schwarzwald in southwest Germany. The purpose of this study is (1) to investigate...or Cu since Roman times. One deposit (the Clara mine near Wolfach) is still active and exploits a barite–fluorite...distinguished, which are, for example, Sb–Ag-bearing quartz veins (occurring throughout the entire district) |  | | Journal (article/letter/editorial) | | Geodynamik, Eberhard Karls Universität Tübingen, Germany Received 30 December 2003; accepted 15 November...post-Variscan hydrothermal veins of the Schwarzwald area, Germany, can be divided into two major groups. Type A fluorite...The Schwarzwald area in the Southwestern part of Germany is an ideal area to study the effects of REE fractionation...basement sharply. They bear different assemblages of quartz, fluorite, barite, calcite, and siderite with...relatively small areas, for example the Fe-, Mn-bearing quartz–barite veins around Eisenbach or the Co–Ni–Ag–Bi–U-bearing |  | | Journal (article/letter/editorial) | | Bergakademie Freiberg, Brennhausgasse 14, 09599 Freiberg, Germany BENJAMIN F. WALTER AND GREGOR MARKL Institut...Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany ABSTRACT Late-stage pseudomorphous and perimorphous...and, to a lesser extent, fluorite and calcite by quartz is a common phenomenon in hydrothermal vein-type...baryte is favorably replaced by pseudomorphs (bladed quartz), while fluorite and calcite are typically replaced...calculated cooling path reveals opposing solubilities of quartz and the other gangue minerals (baryte, fluorite |  | Göb, S., Wenzel, T., Bau, M., Jacob, D. E., Loges, A., Markl, G. (2011) The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, southwestern Germany. The Canadian Mineralogist, 49 (5) 1305-1333 doi:10.3749/canmin.49.5.1305 | Journal (article/letter/editorial) | | HYDROTHERMAL VEINS, SCHWARZWALD, SOUTHWESTERN GERMANY Susanne GÖB and Thomas WENZEL§ Fachbereich Geowissenschaften...Tübingen, Wilhelmstrasse 56, D–72074 Tübingen, Germany Michael BAU Earth & Space Sciences Program, Jacobs...University Bremen, Campus Ring 1, D–28759 Bremen, Germany Dorrit E. JACOB Institut für Geowissenschaften...Universität, J.J. Becher-Weg 21, D–55099 Mainz, Germany Anselm LOGES and Gregor MARKL Fachbereich Geowissenschaften...Tübingen, Wilhelmstrasse 56, D–72074 Tübingen, Germany Abstract Minerals of the rare-earth elements (REE) |  | | Journal (article/letter/editorial) | | EVOLUTION AT THE WENZEL HYDROTHERMAL DEPOSIT, SOUTHERN GERMANY: IMPLICATIONS FOR THE FORMATION OF KONGSBERG-TYPE...Tübingen, Wilhelmstrasse 56, D–72074 Tübingen, Germany Abstract The post-Variscan Wenzel vein-type deposit...deposit near Wolfach, in the Black Forest, Germany, the type locality of the Ag–Sb alloy dyscrasite, was...with calcite gangue and the general absence of quartz in the enriched ore zone. This conceptual model...rich silver ores are hosted by calcite-rich and quartz-poor assemblages of gangue minerals. Keywords: |  | | Journal (article/letter/editorial) | | 03:41 01 August 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal copper deposits...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have...secondary copper assemblages from the Black Pine mine in the Phillipsburg area of Granite County (Waisman...and Gibbs 1983; Anthony et al. 1995). At the 79 mine in Gila County, olivenite occurs as small, olive-green...brochantite and anglesite (Keith 1972). At the Grandview mine, Coconino County, small prismatic olivenite crystals |  | | Journal (article/letter/editorial) | | the steep scarp-face of Garnedd Goch. Within this region, the general strike of the pre-Cambrmn, Cambrian..." ' \ i ' " '~.--, ~ " 7 1 ~ . ~ . 2 ~__::~ DOROTHEA ~-~ 3 MYNYDD CL IGWYN CLOGWYN VOLCANIC GROUP...the present conception of the structure of the region has been gained. The contoured index-map (fig....Geological Society. In 1853 Ramsay suggested 4 that the quartz-porphyry north-west of Nantlle has metamorphosed...the Mynydd Mawr microgranite. The crushing of the quartz-porphyry and the basal Cambrian quartzite had attracted |  | | Journal (article/letter/editorial) | | Lineament; Fm.—Formation; DF—Dinorwic Fault; DG—Dorothea Grit; and WBFS—Welsh Borderland Fault System....scattered units of turbiditic sandstone. The undated Dorothea Grit, low in the succession, sampled in this study...units (Morris and Fearnsides, 1926). Above the Dorothea Grit, early Cambrian (Series 2, stages 3 to 4)...laterally continuous with that in the Harlech Dome region (Fig. 5). 2.4. Monian Composite Terrane The Monian...decreasing order of abundance) are quartz, potassium feldspar' polycrystalline quartz, chert and plagioclase feldspar |  | | Report (issue) | | and Grade-Tonnage Information on Low-Sulfide Au-Quartz Veins by James D. Bliss and Gail M. Jones Open-File...mineralogy of deposits classifed as lowsulfide Au-quartz veins were compiled for deposits found throughout...deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...tabulation have characteristics of low-sulfide Au-quartz veins as described in Berger (1986). These deposits...in detail. Alteration minerals associated with quartz in these deposits include carbonates (ankerite |  | | Journal (article/letter/editorial) | | Introduction Galena and sphalerite cementing quartz sandstones form stratabound lead-zinc deposits...eastern erosional front of the Caledonides. In the Dorothea area (Fig. 1), several subeconomic sandstonehosted...levels. Yet, high-grade deposits occur only in pure quartz sandstones at Laisvall (80 million tons at 4}/o...lead-zinc deposit (Fig. 2a) occurs in the lowest quartz sandstone unit above basal conglomerate formations...formations (see WilldOn, 1980). This lowermost quartz sandstone is lacking in the Laisvall area. Instead, there |  | | Journal (article/letter/editorial) | | The Kautenbach Mine Bernkastel-Kues, Rhineland-Palatinate Germany Steffen Jahn c/o Bode Verlag GmbH Am...Am Knickbrink1 12 31020 Salzhemmendorf, Germany jahn@mineralien-welt.de Galena pseudomorphs after pyromorphite—the...Blaubleierz (“blue lead ore”)—from the Kautenbach mine near Bernkastel-Kues in the Rhineland-Palatinate...since the best examples emerged from the tiny lead mine only in the mid-19th century. INTRODUCTION Galena...(Blaubleierz, “blue lead ore”) from the Kautenbach mine is, to put it simply, a mineralogical specialty |  | | Journal (article/letter/editorial) | | for the Eastern Federation. As of this date Mrs. Dorothea H. Porter, 312 Carr Ave., Rockville, Maryland...including Betty Crocker coupons, should be sent to Dorothea PorROCKS AND MINERALS It is interesting to note...are supporting the AFMS Scholarship Fund, Mrs. Dorothea Porter was appointed to coordinate this activity...for the National Lead at the MacIntyre titanium mine, who told of the operations lrom mining to the finished...illustrate his talk. A later meeting was devoted to "Quartz" and others to fossils, how to photograph specimens |  | | Journal (article/letter/editorial) | | galena, at Nagyag in Transylvania, on a bed of drusy quartz. The lead-grey shining crystals have the form of...the latter kind were found in the Solotuschinsk mine in the Altai mountains, and Schrauf has lately found...discovered uranium ores from the " White H a r t " mine in Neustadtcl, and especially with walpurgin, there...c s i t e. H. W. The Minerals of the Granitic Quartz-blocks of the Sierra, de Cordoba, South America...forms extensive plateaus, and in these occur huge quartz-blocks, often separated by weathering from the |  | Baatartsogt, Baldorj, Wagner, Thomas, Taubald, Heinrich, Mierdel, Katrin, Markl, Gregor (2007) Hydrogen isotope determination of fluid inclusion water from hydrothermal fluorite: Constraining the effect of the extraction technique. Chemical Geology, 244 (3) 474-482 doi:10.1016/j.chemgeo.2007.06.031 | Journal (article/letter/editorial) | | Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany Received 13 February 2006; received in revised...from fluorite–barite veins, Schwarzwald district, Germany. Water for δD analysis was extracted at two different...contribute significantly to the δD signature of quartz (Knauth and Epstein, 1975; Ishiyama et al., 1999;...et al., 1999). This was confirmed by studies of quartz and calcite from a geothermal system (Faure, 2003)...Considering that studies of 475 hydrothermal quartz have demonstrated that structurally bound water |  | | Report (issue) | | tion resulted in the remarkable structures of the Dorothea shearing strain during later folding. Clearly...2 SE / I NW Cleavage Purple Slates 1\ Dorothea Grit ./.'\ \ -�· .. •· • : • • .• • • • •...Fearnsides, 1926, fig. 6). Figure 3 • 10 •• // Dorothea Grit 0 . • . • . • • • • • • • • • • •...• • • • • • • • • ··· • • • • • • Dorothea Grit • -. Dorothea Grit Purple Slates J Striped Slates...Slates (c) •• • • • • • • Dorothea Grit Purple Slates • • • • •• • • Figure 4 Development of Cilgwyn |  | | Journal (article/letter/editorial) | | from two halves of Tampa Bay Agate with a drusy quartz interior and a turtle of the same agate with sterling...digress from the formal meetings. The Editor, Mrs. Dorothea Porter, of the Rockhounder, the voice of the Society...brass as its president for several years past. Dorothea is stepping down as President but we will still...ranks so a junior and senior were elected and Dorothea has served faithfully and well since this practice...Prof. Cornelius S. Hurlburt, Jr., who talked on "Quartz—Its Properties, Varieties and Uses." . . . . The |  | | Journal (article/letter/editorial) | | absolute age determinations are scarce in this region. A minimum age of 2692 Ma (F. Corfu, Royal Ontario...assemblages Most of Irwin Tp. mapped in thls s 0 Dorothea , Sandra I Irwin I Walters I Leduc 5km...central metasedimentary belt (CMB,Fig. 1) from Dorothea to Legault townships. Modified from Mackasey (1975...stratigraphic sections from the following townships: (1) Dorothea and Sandra; (2) Lrwin; (3) Wfters; (4) western...Felsicvolcanic Granitoid Mafic volcanic Felsicporphyry Chert Quartz 67.2f4.1 13.7f 3.0 8.4f 2.4 2.9f1.5 0.5f 0.6 0 |  | | Journal (article/letter/editorial) | | val on ia 55, 56 Azeco goodalli 290, 291 Ba te, Dorothea, Disc overing Dor o thea. The life of the pioneering...Diploeraterion 273 Discovering Dorothea. The life of the pioneering fossil-hunter Dorothea Bate, essay review 217-220...VOLUME 118 Discovering Dorothea. The life of the pioneering fossil-hunter Dorothea Bate 217-220 Geologic...Middle, Ketton 239-263, 241, 244 Jussaro-Skaldo region, Finland, migmatites 12-18 Kallirhynchia sharpi...pyroxenite, Loch Lomond appinite suite 103, 105, 110 quartz-monzonite, Falcon Lake Intrusive Complex 27, 29 |  | | Journal (article/letter/editorial) | | 100 Dorothea Bate—A Gigantic Land Tortoise II.—ON REMAINS OF A GIGANTIC LAND TOETOISE (TESTUDO GY1INESIOUS...orgDownloaded: 14 Feb 2015 IP address: 139.133.11.3 102 Dorothea Bate—A Gigantic Land Tortoise of the Galapagos...orgDownloaded: 14 Feb 2015 IP address: 139.133.11.3 104 Dorothea Bate—A Gigantic Land Tortoise damaged. The curvature...left humerus (Fig. 1) the radial process and the region of the ectepicondylar canal are wanting ; the head...collection a cast (R. ;J972) of the acetabular region of a very large individual also from Malta. The |
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