Henderson, William <br/><br/>
Cretaceous to Eocene volcanic are activity in the Andes of Northern Ecuador 

<br/><br/> <Donation ORSTOM> 
<br/><br/>bibliogr. p. 378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanisme<br/>Crétacé<br/>Tertiaire inf<br/>Géochronologie<br/>K-Ar
<br/><br/><label>Subjects--Index Terms: </label>Equateur