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Implications of U–Pb detrital zircon geochronology analysis for the depositional age, provenance, and tectonic setting of continental Mesozoic formations in the East Malaya Terrane, Peninsular Malaysia

Basori, MBI, Leman, MS, Zaw, K ORCID: 0000-0003-0503-3461, Meffre, S ORCID: 0000-0003-2741-6076, Large, RR, Mohamed, KR, Makoundi, C and Zin, MM 2018 , 'Implications of U–Pb detrital zircon geochronology analysis for the depositional age, provenance, and tectonic setting of continental Mesozoic formations in the East Malaya Terrane, Peninsular Malaysia' , Geological Journal , pp. 1-10 , doi: 10.1002/gj.3131.

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Abstract

Mesozoic strata in the East Malaya Terrane of Peninsular Malaysia record a long but poorlyconstrained history of basin evolution. In this study, we report LA‐ICP‐MS U–Pb geochronologyanalyses of detrital zircons in the continental Mesozoic sequences from the Bertangga and Gerek formations of Peninsular Malaysia, with the aim to constrain the depositional ages and prove-nances of the continental Mesozoic strata as well as the Mesozoic tectonic evolution of the East Malaya Terrane. The Bertangga Formation yields populations of U–Pb zircon ages of Jurassic (139to 194 Ma), Permo−Triassic (226 to 274 Ma), Ordovician−Devonian (372 to 459 Ma), Neoproterozoic (631 to 876 Ma), and Mesoproterozoic−Palaeoproterozoic (1,448 to2,629 Ma). In contrast, the Gerek Formation yields significant Carboniferous grains, but with anapproximate zircon age range relative to the Bertangga Formation. The new data indicate a maximum Late Jurassic depositional age for the previously undated Bertangga Formation. Similarly,young zircon grain ages in the Gerek Formation also indicate a maximum Late Jurassic depositional age. Collectively, these results on detrital zircons correlate well with a regional tectonicuplift and erosion to a tectonic stability of the East Malaya Terrane basin during the Mesozoic.

Item Type: Article
Authors/Creators:Basori, MBI and Leman, MS and Zaw, K and Meffre, S and Large, RR and Mohamed, KR and Makoundi, C and Zin, MM
Keywords: detrital zircon, East Malaya Terrane, geochronology, Mesozoic, provenance
Journal or Publication Title: Geological Journal
Publisher: John Wiley & Sons Ltd
ISSN: 0072-1050
DOI / ID Number: 10.1002/gj.3131
Copyright Information:

Copyright 2018 John Wiley & Sons, Ltd.

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