Gass, I. G.  1926- <br/><br/>
Granite and the Plutonic Association  mapwork, folds /  [motion picture] : 
Open University ; narrators: I. G. Gas, Patricia McCurry, R. C. L. Wilson 
 - 1 film reel (24 min.) :  sd., b&w. ;  16 mm. +  script 
<br/><br/> This programme is concerned with the most important plutonic rocks of the earth's continental crust - granite - and investigates their origin by examiningthe granites of the South-West Peninsular of Gt. Br.  Backup in U-matic 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Granite.