Lee, Ah Kow <br/><br/>
An overview of the geology, mineralization and economic status of operating mines in the Ipoh Selatan sector, Perak, malaysia  as on 1st January 1990 
by Lee Ah Kow 
 -  1991 
 - v, 45p.  ill. map  30cm 
<br/><br/> The placer cassiterates are derived mostly from erosion of late pneumatolytic post-granitic emplacement of tin-bearing veins, stockworks and stringers. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>mineralogy--Perak