Giuliani, Gaston <br/><br/>
Colombian emerald reserves inferred from leached beryllium of their host black shale 

 - Ottawa, Ontario  Canadian Institute of Mining, Metallurgy and Petroleum  January-April 1999 
 - pp. 109-116  ilus. 
<br/><br/><label>ISSN: </label>0964-1823 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESMERALDA<br/>GEOLOGIA ECONOMICA<br/>POTENCIAL MINERO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>COLOMBIA