Plate 12 









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3- % * j 





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Ki'mA 





Upper figure. Photomicrograph ; enlargement 30 diameters, nicols crossed. 

 Spindel quartz development in Stengel gneiss. 



One and five-tenths miles northeast of upper Pyrites bridge, three-tenths 

 of a mile east of south from the three corners. 



Lower figure. Photomicrograph; enlargement 67 diameters, nicols crossed. 

 Granulation and optical strain in mixed rock of dioritic composition. 



West side of road, 2.2 miles south of Pierrepont. 



