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GEOREF RECORD

The origin of formation waters in the abandoned Konrad iron ore mine (Salzgitter, Germany)

Klaus-Juergen Brammer and Bernhard Josef Knipping
The origin of formation waters in the abandoned Konrad iron ore mine (Salzgitter, Germany)
European Journal of Mineralogy (August 1993) 5 (4): 787-797

Abstract

The elemental composition of formation waters and the S isotope composition of dissolved sulphates in the formation waters of this mine, in which a repository for low- and intermediate-grade radioactive waste is planned, are used to discuss their origin. The delta (super 34) S values of the dissolved sulphate lie between +21 and +40 per mille . Bacterial sulphate reduction is shown by the relationship between the absolute sulphate concentration and delta (super 34) S values of the dissolved sulphate; a possible primary delta (super 34) S value of approx +16 per mille was obtained using the relationship between the sulphur isotope composition and absolute sulphate concentration. Due to the high bromine values of approx 375-825 mu g Br/g solution, the formation waters cannot have originated by dissolution of marine evaporites; they are Jurassic sea-water trapped in pore spaces during sedimentation.


ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 5
Serial Issue: 4
Title: The origin of formation waters in the abandoned Konrad iron ore mine (Salzgitter, Germany)
Affiliation: Seerauer, Luchow, Federal Republic of Germany
Pages: 787-797
Published: 199308
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 20
Accession Number: 1993-023695
Categories: Isotope geochemistry
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects., 8 tables, geol. sketch maps
N51°15'00" - N53°49'60", E07°00'00" - E11°30'00"
Secondary Affiliation: Technical University of Clausthal, DEU, Federal Republic of Germany
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1993
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