|
Unit No. |
Description |
Thickness |
22
|
Sandstone, dark red to red-brown, coarse-grained, cross-bedded; contact with bed 21 oblique, straight line
|
2.25-4.6 ft.
|
21
|
Clay, gray, plastic, with thin light yellow sandstone
|
2-4.4 ft.
|
20
|
Clay, gray, plastic, with thin 1"-3" limonitic concretionary yellow sandstone
|
3.0 ft.
|
19
|
Clay, plastic, with very little yellow stain, slightly shaly
|
4.5 ft.
|
18
|
Sandstone, yellow, probably discontinuous
|
0.75 ft.
|
17
|
Clay, gray
|
0.5 ft.
|
16
|
Clay, light gray, plastic to sandy; locally a yellow sandstone lens at same horizon
|
1.2 ft.
|
15
|
Sandstone, cream to nearly white, very fine-grained (large percentage passes 100 mesh); friable; contains a few limonite concretions
|
5.2 ft.
|
14
|
Clay, gray, plastic to slightly sandy; locally a sandstone lens appears
|
4.7 ft.
|
13
|
Sandstone, yellow, fine to medium-grained, with thin bands of gray clay; uneven top; bedding of clays nearly horizontal
|
6.8 ft.
|
12
|
Sandstone or siltstone, gray to yellow, very fine; friable; clayey throughout, yellow at top, gray at base
|
5.0 ft.
|
11
|
Clay, gray and yellow, plastic, upper foot nearly pure gray, some red stain at bottom, grading into that below
|
4.0 ft.
|
10
|
Clay, plastic, yellow and red
|
2.0 ft.
|
9
|
Clay, gray and red mottled, plastic; in upper 3/4 red portion is very bright red, some yellow in upper 2' and lower 1'; relatively little red in lower 1/2; bed contains oblique slickenslide joints in all directions
|
7.0 ft.
|
8
|
Clay, yellow and red, mottled plastic
|
2.0 ft.
|
7
|
Clay, gray and red, mottled
|
3.6 ft.
|
6
|
Clay, yellow and red, mostly plastic
|
3.8 ft.
|
5
|
Clay, sandy, red and yellow, increasingly sandy toward bottom, yellow sandstone lenses locally
|
1.7 ft.
|
4
|
Clay, sandy red and yellow; some gray, mottled plastic; some black splotches
|
5.4 ft.
|
3
|
Clay, light gray, plastic, little or no stain
|
3.0 ft.
|
2
|
Sandstone, fine to medium grain, yellow, clayey, massive; no bedding; carries water; quartzite horizon exposed to NW
|
4.0 ft.
|
1
|
Clay, gray, slightly lignitic, sandy; clay and fine sand alternate in paper-thin to 1" layers; may be over 1/2 or more sandy; a 2" yellow band 15" from top
|
6.0 ft.
|
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