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From oceanic closure to continental collision; a synthesis of the "schistes lustres" metamorphic complex of the Western Alps

Eric Deville, Serge Fudral, Yves Lagabrielle, Michel Marthaler and Mario Sartori
From oceanic closure to continental collision; a synthesis of the "schistes lustres" metamorphic complex of the Western Alps
Geological Society of America Bulletin (February 1992) 104 (2): 127-139

Abstract

Recent lithostratigraphic and structural studies made in the Western Alps along the Valais, Savoy, and Queyras "Schistes lustres" transects indicate that there are strong similarities in the nature of the sedimentary series and in the general structural edifice between these areas. The main new conclusion is that a significant part of the "Schistes lustres" complex is made up of syn-orogenic Upper Cretaceous deposits. A first type, present in all three transects, consists of lower Upper Cretaceous metasedimentary rocks, containing oceanic and continental detrital materials, which were deposited on the western edge of the northwest Tethyan paleomargin and in the oceanic realm undergoing tectonization. A second type is made up of Upper Cretaceous calcareous-gritty metaflysch, known only in the Savoy transect, which is interpreted as a sedimentary consequence of the complete or partial closure of the Tethyan ocean.


ISSN: 0016-7606
EISSN: 1943-2674
Coden: BUGMAF
Serial Title: Geological Society of America Bulletin
Serial Volume: 104
Serial Issue: 2
Title: From oceanic closure to continental collision; a synthesis of the "schistes lustres" metamorphic complex of the Western Alps
Affiliation: Univ. Savoie, Lab. Geodynamique, Chambery, France
Pages: 127-139
Published: 199202
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 107
Accession Number: 1992-006106
Categories: Igneous and metamorphic petrologyStructural geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: sects., strat. cols., geol. sketch maps
N45°00'00" - N45°49'60", E05°30'00" - E07°00'00"
N45°52'00" - N46°37'60", E06°47'60" - E08°28'00"
Secondary Affiliation: GRD, GEDO, Brest, FRA, FranceInst. Geol., CHE, Switzerland
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 1992
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