CONTENTS 



Page. 



Outline of this paper 125 



Historic 131 



Physiographic 133 



Structural 136 



Types of structure 138 



Correlation of cleavage and stratification 155 



Pitch 157 



Struct nral principles 157 



Structural transverse sections 158 



Transverse section G 160 



Transverse sections H, I 166 



Transverse sections A-F, .7-0 169 



General pitch of the folds 175 



Longitudinal sections 175 



Longitudinal section P 175 



Longitudinal section Q 176 



Longitudinal set ions R . K 177 



Resume*, structural ... 177 



Lithologic stratigraphy 179 



Vermont formation 179 



Stock bridge limestone 179 



Berkshire schist 180 



Bellowspipe limestone 180 



Greylock schist 180 



Petrography - 181 



The Vermont formation 181 



The Stockbridge limestone 181 



The Berkshire schist 182 



The Bellowspipe limestone 184 



The « ! n-y lock schist 180 



Thickness 188 



Geologic age 189 



Resume, lithologic stratigraphy 190 



Areal and structural 191 



Relations of geology to topography 192 



Appendix A : Stone hill near \V ill iamst own 197 



Appendix li : New Ashford 202 



121 



