New York State Museum Bulletin 



Entered as second-class matter November 27, 191 5, at the Post Office at Albany, New York, 

 under the act of August 24, 1912 



Published monthly by The University of the State of New York 



No. 192 



ALBANY, N. Y. 



December i, 191 6 



The University of the State of New York 

 New York State Museum 



John M. Clarke, Director 



GEOLOGY OF THE BLUE MOUNTAIN, NEW YORK, 

 QUADRANGLE 



By WILLIAM J. MILLER 



PAGE 



General geography and geology. . 7 



Precambrian rocks 10 



Rock structures 39 



Glacial and postglacial geology.. 48 



Origin of relief features . . 



Economic products 



Index .y. . 



PAGE 



• 57 



• 64 

 ■ 67 



ALBANY 



THE UNIVERSITY OF THE STATE OF NEW YORK 

 I917 



M83r-Agi6-i500 



