Zur Barium-Strontium-Mineralisation |
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| Authors: | A Scherp G Strübel |
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| Institution: | (1) Geol. Landesamt Nordrhein-Westfalen Krefeld, Bundesrepublik Deutschland;(2) Mineral.-Petrol. Institut der Universität Gießen, Bundesrepublik Deutschland |
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| Abstract: | The baryte occurrences along N to NW striking faults in Carboniferous and Devonian strata of the Ruhr area and the Rheinisches Schiefergebirge (Western Germany) are related to still presently active chloridic, Ba-Sr bearing Na and Na-Ca solutions. These originated from deeper seated waters which have their origin in meteoric waters circulating in the fault systems, and in fossil waters from Ba-rich Ordovician strata. Experimental results of the solubility behaviour of BaSO4 and SrSO4 in water and in aqueous solutions can explain the Ba and Sr content of these recent and fossil brines. A theory of Ba-Sr mineralisation is presented for the Rheinisches Schiefergebirge which is believed to find general application in other regions. |
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