PLATE XIV 



PHOTOMICROGRAPHS OF PHYLLITE AND SCHIST 



Fig. 1. Phyllite. 



East of Peekskill Creek Valley, New York. 

 Magnified 22.5 diameters. Crossed nicols. 



Fig. 2. Phyllite. 



East of Clove Valley, Dutchess County, New York. 

 Magnified 22.5 diameters. Crossed nicols. 



Fig. 3. Mica schist. 



West of Wingdale, Dutchess County, New York. 

 Magnified 22.5 diameters. 



Fig. 4. Staurolite mica schist. 



West of Wingdale, Dutchess County, New York. 

 ' Magnified 22.5 diameters. Crossed nicols. 



Fig. 5. Mica-feldspar-quartz schist. 



Bast of Pawling, Dutchess County, New York. 

 Magnified 22.5 diameters. Crossed nicols. 



