PHYSIOGRAPHY OF BISHOP CONGLOMERATE 



6ii 



white quartzites with occasional specimens of gneiss, schist, dia- 

 base, and limestone. There can be no doubt as to their origin in 

 the Uinta Mountains to the south where similar rocks are found. 



Fig. 6. — Bowlders exposed in a stream-gulley in the Bishop Conglomerate on 

 the southeast flank of Aspen Mountain, well down on the plateau. This is a typical 

 example of the coarser debris which has accumulated round the base of the mountain. 

 It is of local origin, entirely distinct from the Uinta gravels to the south. 



This origin is also amply indicated by the fact that the material 

 becomes coarser toward the mountains. North of the low area, 

 round the base of Aspen, the gravel is of local nature, derived from 

 the sandstones and quartzites of the mountain. The surface here 



