Articles liés à Cambrian

Cambrian - Couverture souple

 
9786130711443: Cambrian

Synopsis

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Cambrian is the first geological period of the Paleozoic era, lasting from unknown operator:u'cambrianround' ± 0.3 million years ago to 488.3 ± 1.7 million years ago(ICS, 2004 ; it is succeeded by the Ordovician. The period was established by Adam Sedgwick, who named it after Cambria, the classical name for Wales, where Britain's Cambrian rocks are best exposed.

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