Hawaiite

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1Two conventional potassium-argon (K-Ar) ages were determined on samples frommeters (a nepheline hawaiite) and frommeters (a basanite). The ages are 1.21 ± 0.11 million years for the shallow sample and 1.3

Two conventional potassium-argon (K-Ar) ages were determined on samples frommeters (a nepheline hawaiite) and frommeters (a basanite). The ages are 1.21 ± 0.11 million years for the shallow sample and 1.3

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Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 06:13:17
2

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Source URL: australianmuseum.net.au

Language: English - Date: 2009-03-03 17:32:42