362 J. M. Safford on the Cretaceous 
On the map and in the section accompanying this article the 
areas occupied san by these beds are laid off, and are 
numbered as aboy 
The Paleozoic rocks occupy a narrow irregular belt, (marked 
0, 0, upon the map,) averaging about five miles in width, . 
lying along the western side of the Tennessee river. This be 
is interrupted near the southern part of the State, in a 
county, the river bending to the west and striking ee 
san ; 
berg, ‘Genesee, (Black Slate,) and Sub-carboniferous epochs. I do not, 
sipiere ropose to dwell upon these here, hese F neretole pass 
n to the beds and roups enumerated abov 
ot The Coffee Sand.—This, the oldest ee group seen * 
the surface in Tennessee, overlaps the western bevelled olf 0 
the Paleozoic rocks. It is ns northern extension of the et 
ati Charle ston R. R. 
the Alama, hough the nortenstar rer of Messiah th 
id at <% Sor Raven ~ me negors Its base-lin ne arabe oe foot 1 
of Chi shetion, fe 12 a oes points of the section are about 
5s 
~ da = aie” 
