207 
Boulder of Pegmatite 
(Crystals of Plagioclase) 
Geological Age, Precambrian 
Transported by Continental Glacier 
uring the Ice Age 
Irom near West Point 
Glacial Boulder 
(Triassic Diabase 
Showing Glacial Scratches 
Boulder of 
Volcanic Breccia 
Triassic Diabase-Basalt 
Transported by the 
Continental Glacier 
During the Ice Age 
From Northern New Jersey 
