Occurrence of calcite pseudomorphs after gypsum in the Lower Carboniferous of the Vesder region (Belgium)

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Authors:Swennen, R.; Viaene, W.; Jacobs, L.; Van Orsmael, J.
Author Affiliations:Primary:
K.U.L., Lab. Miner., Heverlee 3030, Belgium
Volume Title:Bulletin de la Société Belge de Géologie Bulletin van de Belgische Vereniging voor Geologie
Source:Bulletin de la Société Belge de Géologie = Bulletin van de Belgische Vereniging voor Geologie, 90(3), p.231-247. Publisher: Société Belge de Géologie, Brussels, Belgium. ISSN: 0379-1807
Publication Date:1981
Note:In English. 2 p. refs.; illus. incl. 5 plates
Summary:Cyclic limestone layers, 5 m thick, with overlying dolomitized breccia and underlying dolomite, occur in a quarry near Walhorn, Liege province. Peel replicas and thin sections reveal that the limestone is characterized by vertically oriented rosettes with a cauliflower-like surface, composed of fibrous radiating calcite crystals up to 2 cm long, sometimes twinned. These are interpreted as pseudomorphs after gypsum. A comparison is made with evaporitic gypsum deposits known from the Miocene Mediterranean basin, the Persian Gulf and Australia. [R.V.T.]
Subjects:Calcite; Carbonates; Carboniferous; Dinantian; Gypsum; Mineralogy; Minerals; Paleozoic; Pseudomorphism; Sulfates; Belgium; Europe; Western Europe; Vesder
Abstract Numbers:83M/2148
Record ID:1983029209
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique
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