Ediacarian Volcanic Rocks and Basic Dikes from the Lac Ifni Sector of the Central High Atlas Mountains:Petrographic Studies and Clinopyroxene Chemical Composition

Ediacarian Volcanic Rocks and Basic Dikes from the Lac Ifni Sector of the Central High Atlas Mountains:Petrographic Studies and Clinopyroxene Chemical Composition

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摘要 The Ediacarian volcanic series from the Lac Ifni sector are composed of a large variety of rocks from basalts and rhyolites to intermediates facies such as andesites,rhyodacites and pyroclastites.All these rocks are intruded by dolerite dikes.Secondary processes are reflected by total serpentinization of olivine within basic andesite and by albitization

作者 Sad Belkacim M.Ikenne S.Arai H.Gahlan A Ahmed Hassan Y.Ishida

机构地区 Laboratoire de Géologie Appliquée Et Géo-environnement Department of Earth Sciences Department of Geology Department of Geology

出处《地学前缘》 EI CAS CSCD 北大核心 2009年第S1期198-198,共1页 Earth Science Frontiers

关键词 High ATLAS MOUNTAINS Anti ATLAS MOUNTAINS VOLCANISM Ediacarian CLINOPYROXENE ICP-MS Laser orogenic calc-alcaline THOLEIITIC High Atlas Mountains Anti Atlas Mountains volcanism Ediacarian clinopyroxene ICP-MS Laser orogenic calc-alcaline tholeiitic

分类号 P588.1 [天文地球—岩石学]

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2009年第S1期

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Ediacarian Volcanic Rocks and Basic Dikes from the Lac Ifni Sector of the Central High Atlas Mountains:Petrographic Studies and Clinopyroxene Chemical Composition

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