New data on Lower Carboniferous stratigraphy and palaeogeography of the Malaguide complex (Betic Cordillera, Southern Spain)

被引：20
作者：
O'Dogherty, L [1 ]
Rodríguez-Cañero, R
Gursky, HJ
Martín-Algarra, A
Caridroit, M
机构：
[1] Univ Cadiz, CASEM, Dpt Geol, E-11510 Puerto Real, Spain
[2] IES Huelin, Malaga 29002, Spain
[3] Tech Univ Clausthal, Inst Geol & Palaontol, D-38678 Clausthal Zellerfeld, Germany
[4] Univ Granada, Dpt Estratig & Palaeontol, E-18071 Granada, Spain
[5] Univ Sci & Tech Lille Flandres Artois, Lab Paleontol, F-59655 Villeneuve Dascq, France
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 2000年 / 331卷 / 08期
关键词：
radiolarians; conodonts; Visean; Tournaisian; palaeogeography; Palaeotethys; Betic internal zones;
D O I：
10.1016/S1251-8050(00)01455-5
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The Malaguide basement is formed by a thick, strongly deformed but weakly metamorphosed sedimentary succession of ?Ordovician-Carboniferous age, mainly made of basinal mudstones and turbidites, which includes a thin but conspicuous Lower Carboniferous chert-limestone interval (Falcona formation). The chert member (ribbon radiolarites) yielded, for the first time in Southern Spain, Tournaisian radiolarians. The Visean age of the limestone member is refined by conodonts. This formation is related to a period of generalized pelagic sedimentation, caused by relatively high sea level, low elastic input and high equatorial productivity, which preceded the closure of the Palaeotethys basins due to the Variscan orogeny. (C) 2000 Academie des sciences / Editions scientifiques et medicales Elsevier SAS.
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收藏
页码：533 / 541
页数：9
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