 | | 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, 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 |  | | Report (issue) | | Cover: Quartz variety amethyst, 10.5 cm tall Goboboseb Mountains, Erongo Region, Namibia Scott Rudolph...collection, Jeff Scovil photo Title (facing) Page Amethyst mouse with gold tail, 130 grams, 6.3 cm wide Carved...Brazilian amethyst Private collection, Robert Weldon photo © 2009 GIA Page 2 Quartz variety amethyst, 3.5...3, Table of Contents Insets Top: Circa 212 CE amethyst intaglio bearing the portrait of Roman Emperor...Marie-Lan Nguyen photo Upper middle: Quartz variety amethyst (Japan-law twin), 1.6 cm tall Andilamena, Toamasina |  | | Book | | quite different colours, (eg quartz, rock crystal, amethyst and smoky quartz). Nevertheless, a number of minerals...defects in the crystal lattice, eg smoky quartz, amethyst, fluorite or diamond. A special kind of colouring...light yellow; topaz changes from blue to green. Amethyst, rose quartz and emerald become paler in sunlight...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...(217), marcasite (437) • Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit | | | Book | | quite different colours, (eg quartz, rock crystal, amethyst and smoky quartz). Nevertheless, anumber of minerals...defects in the crystal lattice, eg smoky quartz, amethyst, fluorite or diamond. A special kind of colouring...light yellow; topaz changes from blue to green. Amethyst, rose quartz and emerald become paler in sunlight...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit |
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Bad Sulzburg, Sulzburg, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany