THE KITCHI SCHISTS. 



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tuffaceous character so nuicli more perfectly tliau have the handed varieties 

 of the Mona schists, from which they differ also in composition, that they 

 have been designated h\' the distinctive name Kitchi schists. 



DISTKIBrriON A>'D TOPOGRAPHY. 



The Kitchi schists occur just west of tlie ]\Iona scliist area, stretching 

 from tlie east line of R. 21 W. to the west line of sees. 25 and 36 in T. 48 N., 

 R. 28 W., with a width var^ang from 2 miles to 3i miles (Atlas Sheet IV). 

 At the west end the scliists are in contact witli a coarse gneissoid granite. 



I. 



\. Iv 



L 



Fig. 4.— Cliff of Kitclii schists, in sec. 33, T. 48, R. 27. 



Both to the north and to the south the "conglomerate" area is bounded 

 by Algonkian deposits, on the north by those belonging in the Dead River 

 or Silver Lake area, and on the south b}' those of the Marquette district. 

 It is not to be understood that these conglomeratic schists occupy this area 

 to the exclusion of all other rocks. There are associated with the conglom- 

 eratic phases many greenstone-schists, similar to those farther east, in which 



MON XXVIII 11 



