Van Thournout, Frank <br/><br/>
Portovelo: a volcanic-hosted epithermal vein-system in Ecuador, South America 

 - Berlin  Springer  1996 
 - pp. 269-276  ilus., tbls. 
<br/><br/><label>ISSN: </label>0026-4598 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGIA ECONOMICA<br/>MINERALOGIA<br/>YACIMIENTOS EPITERMALES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ECUADOR
<br/><br/><label>Subjects--Index Terms: </label>PORTOVELO, YAC.