Hercynian Metamorphism in Nappe Core Complexes of the Alpine Betic-Rif Belt, Western Mediterranean--a SHRIMP Zircon Study |
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| Authors: | ZECK H P; WILLIAMS I S |
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| Institution: | 1INSTITUTE FOR STUDY OF THE EARTH’S INTERIOR, MISASA, TOTTORI-KEN, JAPAN
2RESEARCH SCHOOL OF EARTH SCIENCES, THE AUSTRALIAN NATIONAL UNIVERSITY, CANBERRA, A.C.T. 0200, AUSTRALIA |
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| Abstract: | Ion microprobe U–Pb dating of a bimodal zircon populationfrom a graphitic schist from the basal section of the AlpineAlpujárride nappe complex in the Betic Cordilleras, southernSpain, has yielded different ages for zircons of contrastingmorphology and composition. Approximately half the grains arerounded and abraded, and have ages ranging from |
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