MAGMATIC CHARACTERISTICS OF CAMBRIAN VOLCANITES FROM THE WESTERN MONTS DE LACAUNE AREA (MONTAGNE NOIRE, SOUTH MASSIF-CENTRAL, FRANCE)

被引：0

作者：

BEZIAT, D

BRUCHON, I

JORON, JL

MONCHOUX, P

机构：

[1] UNIV PARIS 06,GEOCHIM COMPAREE & SYSTEMAT LAB,F-75230 PARIS 05,FRANCE

[2] UNIV PARIS 06,INST PHYS GLOBE,CNRS,LA 196,F-75230 PARIS 05,FRANCE

[3] CENS,LAB PIERRE SUE,CNRS,SCI TERRE GRP,F-91191 GIF SUR YVETTE,FRANCE

来源：

COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II | 1992年 / 314卷 / 05期

关键词：

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The Cambrian formations from the western Monts de Lacaune area contain various volcanite types. They include metabasites with albite and quartz xenocrysts, pyroclastic rocks, calcalkaline lamprophyre and dolerites. They have calc-alkaline and arc tholeiitic characteristics. During the Cambrian, their change in composition could mark a gradual transition from the pan-African orogenic setting to the Ordovician continental intra-plate setting.

引用

页码：475 / 481

页数：7

共 20 条

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