68 University of Kansas Geological Survey. 
whose upper surface is apparently irregular indicating a period of 
elevation during which its surface underwent extensive erosion be- 
fore the deposition of the Cretaceous. This is well shown by va- 
rious sections in Saline county, a few of which will now be described. 
= 
3 — 
Thin Sandstones = 
and Arenaceous O 
Shall. ~ Arenaceous Shales 
<a and Sandstones. 
Unconformity. A 
N 
AQ 
ica) 
Partly Covered faa) 
=e Sandstones and 
SS | Arenaceous Shales @ 
; containing ©O 
Yellowish to Fossils. al 
Brownish Shales. Zi 
& 
o = 
Z, 
) 
eH 
ia) 
ZL 
— 
= 
= 4 
== = A 
—_— Bluish to 5 
_— Drab Shales. - 
= Blue and Yellowish 2 
Argillaceous jo) 
Shales. Z 
— 
4 
| 
ica 
= 
Covered. 
Smoky Hill River. Smoky Hill River. 
ig. 4. Fig. 5. 
Section at Smoky Hill Mill, one mile South- Section three and one-half miles East of 
east of Salina. Mentor. 
Section of the Bluff east of the Smoky Hill River, at the Upper Smoky Hill 
Mill, one mile southeast of Salina. 
No. Nee: 
4. Capping the small buttes is a coarse-grained, mas- 9—64 
sive brownish-gray sandstone, containing dark 
brownish-red concretions. Thin sandstones and 
arenaceous shales, partly brownish-gray in color. 
At base a massive sandstone that rests directly on 
