208 
CEMENT MATERIALS AND INDUSTRY. 
Section of well at Livingston, Sumter County, Ala. 
[bull. 24 
• 
Lafayette and Ripley: 
Sandy loam 
Coarse, dry sand 
White quicksand 
Selma chalk: 
Soft blue limestone, many shells and pyrite nodules . . . 
White limestone, harder, few shells or pyrite nodules.. 
Hard blue limestone, no shells or nodules 
Bluish-white limestone, less hard, no shells or nodules . 
White limestone, very hard 
Light-blue limestone, softer 
Bluish-brown rock, small shells, some sand 
Hard, white limestone 
Soft, reddish-brown rock 
Soft, deep-blue rock 
Brownish-blue rock, moderately soft 
Hard, gritty, blue rock 
Dark-bluish rock, soft 
Soft, whitish limestone 
Eutaw sands: 
Hard sandstone 
Sand 
Sand rock 
Coarse greensand 
Sandstone 
Greensand 
Sandstone 
Coarse greensand 
Flint rock 
Very fine greensand 
Thick- 
ness. 
Feet. 
180 
50 
7 
68 
55 
47 
58 
105 
2 
20 
78 
h 
250 
6 
10 
1 
38 
2 
25 
2 
18 
1 
Depth. 
Feet. 
1 - 
13 - 
20 - 
200 - 
250 - 
257 - 
325 - 
380 - 
427 - 
485 - 
590 - 
592 - 
612 - 
690 - 
690£- 
700 - 
20! 
2r 
25J 
325 
380 
427 . 
485 
590 
592 ? 
612 ; 
(190 
690£ '' 
700 ill 
950 A 
950 
956 
966 
967 
1,005 
1,007 
1,032 
1,034 
1,052 
1,053 
- 956 
- 966 
- 967 
-1, 005' ; ' 
-1,007 
-1,032 
-1,034 
-1, 052 
-1,053 
-1,062 
Descriptions of localities. — During 1904 the Selma chalk was care f 
fully mapped throughout the Tombigbee River basin by Mr. A. F ! 
Crider. The result of this mapping is shown on PL II. 
In the following pages descriptions will be given of the varioui 
localities visited during this work. Samples were taken from all o. 1 
these localities, and many of these samples have been analyzed, th< ! 
results being given below. 
The descriptions are given in order, going up the Tombigbee Rive: 
from the Alabama-Mississippi line. 
