南科西嘉岛Zicavo变质杂岩地质(法国)

IF 1.9 4区地球科学 Q2 GEOGRAPHY

Journal of Maps Pub Date : 2023-10-17 DOI:10.1080/17445647.2023.2264320

Lorenzo Dulcetta, Michel Faure, Philippe Rossi, Gabriele Cruciani, Marcello Franceschelli

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引用次数: 0

摘要

本文研究了科西嘉-撒丁岛瓦立斯坎带最内层轴向带的Zicavo变质杂岩(南科西嘉)。为了更好地评价其地质和构造轮廓，绘制了1:5000地质图，并结合了新的构造/微观构造和岩石学数据。杂岩体由3个构造单元组成，由下至上依次为:(i)正长岩单元，(ii)长角闪岩单元，(iii)云母岩单元。它们被韧性剪切带分隔开来，韧性剪切带具有自上而下的剪切感。它们经历了多期变形和多变质史，其中角闪岩相的缩短期主要负责构造和剪切，随后是掘出期。

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Geology of the Zicavo Metamorphic Complex, southern Corsica (France)

In this study, we investigated the Zicavo Metamorphic Complex (southern Corsica), which is part of the innermost Axial Zone of the Corsica-Sardinia Variscan belt. To better evaluate its geological and structural outline, a 1:5000 geological map, coupled with new structural/microstructural and petrographic data, is presented. The complex is formed by three tectonic units, from bottom to top: (i) an Orthogneiss Unit, (ii) a Leptyno-Amphibolite Unit, and (iii) a Micaschist Unit. They are separated by ductile shear zones with a top-to-the-SE sense of shear. They underwent a polyphase deformation and polymetamorphic history, with a shortening stage in the amphibolite facies, responsible for the main structures and shearing, followed by an exhumation phase.

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来源期刊

Journal of Maps 地学-自然地理

CiteScore

4.30

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal of Maps is a peer-reviewed, inter-disciplinary, online journal that aims to provide a forum for researchers to publish maps and spatial diagrams.