24 



p. B. KING 



,100 



400 Miles 



Fig. 7. Map of central and southern Rocky Mountains, showing up- 

 lifts and basins of Paleocene and Eocene time. 1, Folds and fault blocks 

 in geosynclinal sediments. 2, Uplifts east of geosynclinal area, with out- 

 crops of pre-Cambrian basement rocks in their higher parts. 3, Basins 

 that received Paleocene sediments. 4, Basins in which Eocene sediments 

 were deposited over Paleocene sediments. 5, Areas of lake deposits, 

 mainly of Eocene age. 



