Geological Society of London
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Figure DR7. Weathering history and landscape evolution of Western Ghats (India) from 40Ar/39 Ar dating of supergene K–Mn oxides

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posted on 2019-11-06, 12:39 authored by A. Jean, A. Beauvais, D. Chardon, N. Arnaud, M. Jayananda, P.E. Mathe
40Ar/39 Ar age spectra and isochrones of cryptomelane grains collected in samples from Mn ore deposits of (a) Terali, (b) Nagari, and (c) Pradhani.