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Probing into Thailand's basement: New insights from U–Pb geochronology, Sr, Sm–Nd, Pb and Lu–Hf isotopic systems from granitoids

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Authors
Dew, R.
Collins, A.
Glorie, S.
Morley, C.
Blades, M.
Nachtergaele, S.
King, R.
Foden, J.
De Grave, J.
Kanjanapayont, P.
Evans, Noreen
Alessio, B.
Charusiri, P.
Date
2018
Type
Journal Article

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Dew, R. and Collins, A. and Glorie, S. and Morley, C. and Blades, M. and Nachtergaele, S. and King, R. et al. 2018. Probing into Thailand's basement: New insights from U–Pb geochronology, Sr, Sm–Nd, Pb and Lu–Hf isotopic systems from granitoids. Lithos. 320-321: pp. 332-354.
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Lithos
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School of Earth and Planetary Sciences (EPS)
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Abstract

• εHf–Nd(t) model is increasingly juvenile eastwards in Thailand.

• The Sibumasu Terrane and Inthanon Zone contain relatively evolved, recycled crust.

• Sibumasu has ancient model ages and was likely part of cratonic Australia.

• The Sukhothai Terrane is an isotopic hybrid, a continental arc built on Paleoproterozoic basement.

• Indochina is a juvenile Mesoproterozoic–Neoproterozoic arc, possibly from the Pinjarra Orogen.

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