Palaeomagnetism, Potassium-argon ages and petrology of some volcanic rocks

Nature
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Abstract

Geological evidence obtained from samples of rocks from Cocos Island, Costa Rica, seems to agree with the idea that this island could have been a stepping stone for organisms migrating to the Galapagos Islands. 

Publication type Article
Publication Subtype Journal Article
Title Palaeomagnetism, Potassium-argon ages and petrology of some volcanic rocks
Series title Nature
DOI 10.1038/217323a0
Volume 217
Issue 5126
Year Published 1968
Language English
Publisher Nature
Description 4 p.
First page 323
Last page 326
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