{"title":"A cross section of the Namama Thrust Belt (Mozambique)","authors":"Paola Cadoppi, Mario Costa, Rosalino Sacchi","doi":"10.1016/0899-5362(87)90090-X","DOIUrl":null,"url":null,"abstract":"<div><p>A cross section of the Namama Thrust Belt (NTB) in Mozambique is described in some detail. The NTB is a ‘Lurian’ age (<em>circa</em> 1000 Ma) tectono-metamorphic feature of orogen rank. Its structure, on all scales, is dominated by a rotation of the fold axes towards the E-W transport direction, at an angle to the NNE overall trend of the belt. In connection with a high-T metamorphic development, dry assemblages with clinopyroxene and garnet grew and granite was emplaced in the belt and its foreland. The post-kinematic thermal event appears to have encompassed the time span from the Lurian orogeny to the emplacement of early-Paleozoic (‘Pan-African’) granites some 500 Ma ago. The overall geologic evolution of the NTB is discussed, and a possible sequence of events proposed.</p></div>","PeriodicalId":100749,"journal":{"name":"Journal of African Earth Sciences (1983)","volume":"6 4","pages":"Pages 493-500, IN7-IN11, 501-504"},"PeriodicalIF":0.0000,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0899-5362(87)90090-X","citationCount":"22","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of African Earth Sciences (1983)","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/089953628790090X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 22
Abstract
A cross section of the Namama Thrust Belt (NTB) in Mozambique is described in some detail. The NTB is a ‘Lurian’ age (circa 1000 Ma) tectono-metamorphic feature of orogen rank. Its structure, on all scales, is dominated by a rotation of the fold axes towards the E-W transport direction, at an angle to the NNE overall trend of the belt. In connection with a high-T metamorphic development, dry assemblages with clinopyroxene and garnet grew and granite was emplaced in the belt and its foreland. The post-kinematic thermal event appears to have encompassed the time span from the Lurian orogeny to the emplacement of early-Paleozoic (‘Pan-African’) granites some 500 Ma ago. The overall geologic evolution of the NTB is discussed, and a possible sequence of events proposed.
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