Barnes, Virgil <br/><br/>
Macusanite occurrence, age, and composition, Macusani, Peru 

<br/><br/> <Donation ORSTOM> 
<br/><br/>bibliogr. p. 1546 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roche volcanique<br/>Macusanite<br/>Géochronologie<br/>K-Ar<br/>Pliocène
<br/><br/><label>Subjects--Index Terms: </label>Pérou  Puno  Carabaya