a Magaji, Shehu Suleiman <br/><br/>
\a Geology, Geochemistry and Petrogenesis of the Rishiwa Complex, North-Central Nigeria  \h [Text] 
\c /by Shehu Suleiman Magaji 
 - \a Zaria:  \b Dept. of Geology, ABU  \c 2016 
 - \a xvii,233leaves.:  \b ill. 
<br/><br/>\a Faculty of Science 
<br/><br/>\a Includes bibliographical references 
<br/><br/><label>LC Class. No.: </label>\a QE 48.N6 Mag  / \b 508751