fTinnuhfu (yhc]ie\Le\\) the quart/ in appioxnuritecl il 

 tnomorphic grainb, small, of nearly the same si/p, uA 

 independently oriented Teall, pi x"iii , f 1 and -A. 



OpJnhc ripproxmnted grains of a mineial, usually au^nto 



cnstals of anotlxr iniueial usually felspai, ^vhlch ]ia\e 

 iiK^uhr lk(n^ltlIu^ lueis f acli la>er founod of ippioxi 



sphp.nhUs PUteMii,f 1 

 llCPO(K\Mrtr- irolocijstalhne, the crystals small but clearly 

 dehnal Inoithocla'.. locks the crystals lan-e fiom 006 to 

 001 inch u>uillv ax er-igine about 00^ Tn pi i<,noclase rocks 

 the fcKpits L,ue I ith shaped sections which range from 07 to 

 01 null in length whih the augitegiains arc fiom 05 to 006 

 in diameter but no strict rule can be laid down Either 

 granular or porph>ritic Teall, pi x , f 1 , pi xxix , f 1 , p' 

 xxxi , f 2 , pi xxxm , f 1 Judd, pi u , f 7 and 8 Ihe 



nail 



't,n<ii,ti suiu as pegniatitic but on a small scile 

 pi xxui, f 2 pi xxx^ , f 2 pi xlvu , f ■) 

 >>(iimr)stalliiie usually poiphyritic, but sometimes 



composed ot cJoselv comp<icted microlites of different 

 , with little 01 no amorphous base The felspar 

 -s aie fiom Oil to 001 in length and less The 



r pii 



ms about Oil by OOr., or they 



001 



in diameter Teill, pi xm^ . 





•Subtextuies ire 



htic 



Judd) on a small sc lie Judd, 



ritic 



n I small scale PI mu , f "• 





mall scale Judd, pi v , f '» 



