TLbc S^ournal of 0eolOG^ 



Vol. XXIII CONTENTS FOR NOVEMBER-DECEMBER J9J5 No. 8 



A REVISION OP THE SEQUENCE AND STRUCTURE OF THE PRE-KEWEENAWAN FORMATIONS OF . 



THE EASTERN GOGEBIC IRON RANGE OF MICHIGAN - - - R. C. Allen and L. P. Barrett ,689 



DISCUSSION OF CORRELATION C. K. Leith and R. C. Allen 703 



PRESSURE AS A FACTOR IN THE FORMATION OF ROCKS AND MINERALS - - - John Johnston 730 



TWO GLACIAL STAGES IN ALASKA Stephen R. Capps 748 



STRATIGRAPHY OF THE WAVERLY FORMATIONS OF CENTRAL AND SOUTHERN OHIO (Continued). 



PART II - - - - Jesse E. Hvde 757 



REVISION OF THE MAP OF LAKE AGASSIZ Warren Upham 780 



REVIEWS 785 



RECENT PUBLICATIONS 786 



INDEX TO VOLUME XXIII 793 



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