Piedmont province - The Geology of Virginia
 
    
P I E D M O N T   G N E I S S

Biotite-rich piedmont gneiss, Goochland County

Foliation diagram of above gneiss

Biotite-rich gneiss with foliation and boudins of granitic material (gb). The granitic vein was once a continuous layer that was broken and stretched during deformation. Exposure at Hidden Rock Park, Goochland County.

 
 

APPALACHIAN PLATEAU | VALLEY & RIDGE | BLUE RIDGE | PIEDMONT | COASTAL PLAIN
 

(4/25/2000)