282 



H. S. Sumraers : 



Total 



TABLE XIII. iContinued). 

 9. 10. 11. 



1.592 



1.493 



1.512 



LiMBuficnE (fivufifice) 



WOODE/VDITE (CCnPLEM£/VT/rf!y.) 

 HNORTH. B^5^LT.(C0MPi£MENTflRY) 



■MCE DO nil rC. ( COM PL EMENTflRy^ 

 BLENd OF COM PL EMEN TflRY TYPES 

 ■BLENU or fILKflLI TYPES C£iS SOLVS/Y /ICIDTffACH. 



, ^...hVE /^NG/fTMOCLffSE TRflCHYTC 

 ^fj NORTH. BflSfLLT (COMPLE MCNTY7RY ) 

 ^MflCEDONI IE. (COMPL EnEN TftR Y ) 



fim/iTHOCflSE OLIVINE TRflCHYTC 



^LENU Of flLK/lLI TYPES 



tlNORTHOCLflSE TR/?CHrTE. (^Vflf/ieE ) 



SOI VS8CPGI TE (avER/tCE ) 



Fig. 6. 



The molecular coinuutriition of tlit'.se analyses luis been plotted 

 and is given in Fig. 6. It will be noted that whereas the normal 

 rocks of the series conform very closely to the curve, those rocks 

 which have been described as complementary in origin depart 



