Barnes John W <br/><br/>
Ores and minerals: introducing economic geology 

 - Milton  Keynes Open University Press        1988 
 - vii, 181p.  cm. 
<br/><br/><label>Standard No.: </label>49072 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Economic geology<br/> Mineral resources<br/> Mines<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H7, M8