|
Unit No. |
Description |
Thickness |
|
Cedar Hills Sandstone
|
|
19
|
Siltstone, argillaceous, slightly calcareous, thin-bedded, red (2.5YR5/6)
|
3.0 ft.
|
18
|
Sandstone, very fine-grained, very calcareous, red (2.5YR5/6) (white spots up to 3 mm diameter)
|
8.1 ft.
|
17
|
Sandstone, very fine-grained, argillaceous, red
|
3.9 ft.
|
16
|
Sandstone, fine-grained, friable, white
|
0.2 ft.
|
15
|
Sandstone, very fine-grained, silty, very calcareous, somewhat resistant, red (white spots)
|
3.0 ft.
|
14
|
Sandstone, very fine-grained, silty, slightly calcareous, red (white spots)
|
0.8 ft.
|
13
|
Siltstone, argillaceous, hard, slightly calcareous or dolomitic, red (white spots)
|
1.2 ft.
|
12
|
Covered, probably red and white soft silty sandstone
|
1.4 ft.
|
11
|
Siltstone, coarse-grained, sandy, massive, red (white spots)
|
6.6 ft.
|
10
|
Sandstone, very fine-grained, silty, calcareous, red (white spots up to 0.6 mm diameter); argillaceous in upper part; red oblate spheroidal calcareous sandstone concretions (some hollow with calcite crystals) in lower part (average 2 inches in diameter). Some darker red micro-galls of shale
|
3.0 ft.
|
9
|
Sandstone, fine-grained, friable, calcareous, thinly laminated, white grading upward to light-pink (tYR7/6) with small-scale cross-bedding
|
0.8 ft.
|
8
|
Sandstone, fine-grained, massive, essentially unconsolidated, slightly calcareous, well-sorted, white (2.5Y8/2) spotted red; sharp contact with locally bleached salt plain below
|
1.2 ft.
|
7
|
Siltstone, argillaceous, calcareous, micaceous, reddish brown (5YR4/4) (green spotted)
|
5.0 ft.
|
6
|
Covered
|
9.8 ft.
|
5
|
Siltstone, sandy, fairly resistant, slabby, calcareous, yellowish-red (5YR5/6) (large green-gray spots); bimodal size distribution, some rounded sand grains 0.3 mm diameter. Also large calcite crystals
|
0.8 ft.
|
4
|
Covered, probably red, green spotted calcareous argillaceous siltstone
|
9.0 ft.
|
3
|
Siltstone, calcareous, thin-bedded, slabby, micaceous, reddish-brown (2.5YR5/4) and white (5Y8/1) banded; white is coarser-grained, more calcareous than reddish-brown
|
2.1 ft.
|
2
|
Shale, silty, slabby, micaceous, calcareous, reddish-brown (5YR5/4)
|
1.0 ft.
|
1
|
Shale, silty, calcareous, micaceous, yellowish-red (5YR5/6) with greenish-gray spots
|
7.4 ft.
|
|