U S GEOLOGICAL SURVEY. 



MT. GREYLOCK 



Vertical 8 Horizontal Scale norm orli m dies- 1 mile 



SYMBOLS. 

 CHLOR-MICA ISERICITEISCHIST 



LIMESTONE _ 

 QUARTZITE- _ - 



\dea.vage dips 

 Observed 



\Stratit 



.3200 



SraZi 



. 2500 



_/000 

 500 

 _SEA LEVEL 





S SID£ 



oft ion 



A o/c The. cleavage foliation is only shown crossing the 

 straiifi't iiliaii -foliation wltere rfewcu/e dtp was determined 

 hul it (inverses tli.e qreaterpart o/'die nurss 



3000 

 l_ J300 



Observed 



_2SO0 

 _2000 



^1000 



.2000 

 .2500 



\( 'leaeuffedips 

 \stratif'f ■■ 



3S*E. 25^0' f E E 





Stratlf" ; lto"40'S£ casr r, 



\I7, ,i\;i,/r dips 



\Straiif" " wfsrHOflorojo' 



_2700 F T 



.2000 

 ^ISOO 

 .1000 

 -5 00 



_ SEA LEVEL 

 _S00 

 l_soo 



SI. 



