MATERIALS OF THE EARTH 



41 



structures of sedimentary rocks will be mentioned in connection 

 with metamorphic changes. 



Fig 19 Fault in Gering series. Near Rutland Siding (near Crawford), 



Neb. (Barton, U. S. Geol. Surv.) 



Fig. 20. Veins of calcite in volcanic tuff. Shore west of Kincraig Point, 

 Elie, Fife. (H. M. Geol. Surv.) 



