Fig. 1. 
Oatland Complex. Acid Fades. X 20. 
Much granitic quartz, with a few inclusions of apatite : some plasioclase and corroded orthoclase, 
also a granular aggregate of epidote, probably after biotite. 
(Phofogniplicd by Tf. L. Carter.) 
Proc. Yorks. Geol. Soc. Vol. XVII., Plate VIII. 
