NDLI: Bacterial origin of the Red Pigmentation in the devonian Slivenec Limestone, Czech Republic

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Bacterial origin of the Red Pigmentation in the devonian Slivenec Limestone, Czech Republic

Content Provider	Springer Nature Link
Author	Mamet, Bernard Préat, Alain Ridder, Chantal
Copyright Year	1997
Abstract	The deep-red lenses of the Pragian Slivenec Limestone have been extensively quarried for ornamental purposes since the XIIth century. Petrographic microscope observations indicate that the hematite stainings of the limestone follow ten different patterns. They range from massive non-directional filling of cavities to mineralized films and microstromatolites. Numerous ironrich endolithes are observed. Some could be derived from bacterial or lichen perforations and some related to ferric bacteria. Infiltration along welded calcite crystals, regular mineralized films and microstromatolites suggest a ferric bacterial origin for the pigment. This is confirmed by scanning microscope examinations of polished sections, that show hematite concentrations along micrometric filamentous sheaths.
Starting Page	173
Ending Page	187
Page Count	15
File Format	PDF
ISSN	01729179
Journal	Facies
Volume Number	36
Issue Number	1
e-ISSN	16124820
Language	English
Publisher	Springer-Verlag
Publisher Date	1997-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Geobiochemistry Red Pigment Iron-Oxidizing Bacteria Endolithic Perforations Barrandian Basin (Czech Republic) Lower Devonian (Pragian) Biogeosciences Geochemistry Paleontology Sedimentology Ecology
Content Type	Text
Resource Type	Article
Subject	Geology Stratigraphy Paleontology

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