APPENDIX
6
Site A
Depth (ft) Description
0.0
to 3.6 Modern soil – no
recovery.
3.6
to 4.0 Sand, 2.5Y5/3
(light olive brown), fine-grained.
4.0
to 5.0 Sand, 2.5Y3/2
(very dark grayish brown), fine-grained.
5.0
to 7.8 No recovery,
probably sand.
7.8 to 8.6 Sand, 10YR3/2 (very dark grayish brown), fine-grained, shades of gray and black may be varves.
8.6 to 8.9 Sand, 2.5Y5/2 (grayish brown), medium-grain, shades of gray and black may be varves.
8.9 to 9.2 Sand, 2.5Y4/2 (dark grayish brown), fine-grained. shades of gray and black may be varves.
9.2 to 10.0 Sand, 5GY5/1 (greenish gray)
clayey, stiff. Coarse sand at 9.5
ft. Greenish cast = reduced?
10.0 to 11.2 Till, late Wisconsin (Morgan Mbr.?), 5Y5/1 (gray not compact, more oxidized color)
11.2 to 14.8 Till, late Wisconsin (Morgan Mbr.?), 5Y4/2 (olive gray), unoxidized, wood chips present.
14.8 to 15.0 Till, late Wisconsin (Morgan Mbr.?), 5Y4/2 (olive gray), unoxidized, hard, consolidated.
15.0 to 20.0 Till, late Wisconsin (Alden Mbr.?), 5Y4/1 (dark gray), unoxidized, very hard, sand seams present at 17.40 to 17.45 and 18.20 to 18.25 ft.
20.0 to 25.0 Till, late Wisconsin (Alden Mbr.?), 5Y4/1(dark gray), unoxidized, very hard, shale chips present.
25.0 to 30.0 Till, late Wisconsin (Alden Mbr.?), 5Y4/1(dark gray), unoxidized, very hard.
Bottom
of borehole @ 30.9 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/30/00
Depth (ft) Description
0.0
to 3.0 Modern soil – no
recovery.
3.0
to 4.0 No recovery,
probably sand and coarse gravel.
4.0
to 4.7 soil material,
non calcareous
4.7 to 5.0 Sand, 10YR5/3 (brown), clean sand and coarse gravel, few cobbles. Calcareous
5.0 to 10.0 Till, late Wisconsin (Morgan Mbr.?) 10YR 4/1 (dark gray), calc. unoxidized, upper 1 ft densely fractured, slightly oxidized at 6 ft.
10.0 to 15.0 Till, late Wisconsin (Morgan Mbr.?) 10YR4/1 (dark gray), calc., unoxidized, dense, silt layer @ 14.4-14.7’ and some occasional sand layers
15.0
to 15.7 No recovery. Probably sand.
15.7 to 20.0 Till, late Wisconsin (Alden Mbr.?), 5Y4/1 (dark gray), unoxidized, sand layer @ 15.8-15.9’.
20.0
to 20.5 No recovery. Probably sand.
20.5 to 25.0 Till, late Wisconsin (Alden
Mbr.?), 5Y4/1 (dark gray), unoxidized, calc.
Gravel @ 20.5 to21.0 ft; sand @ 22.5 to 22.6 ft; large clast @ 23.3 ft,
sand @ 24.2 to 24.5 ft.
25.0 to 30.0 Till, late Wisconsin (Alden Mbr.?), 5Y4/1 (dark gray), unoxidized, calc., weathered limestone clasts @ 26.1 to 26.5 ft.
Bottom
of borehole @ 30.4 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/28/00
Site C
Depth (ft) Description
0.0
to 3.3 Modern soil – no
recovery.
3.3
to 5.0 Fill, clayey,
2.5Y3/2 (very dark grayish brown), cobbles @ 5 ft.
5.0
to 10.0 No recovery.
Balls of clay on auger. Cobbles @ ~7 ft.
10.0
to 13.2 No recovery. Very soupy, poorly sorted sand @ 10 ft. Sandy clay.
13.2
to 15.0 Sand, 10YR5/1
(gray), coarse, very well sorted.
15.0 to 18.5 No recovery. Poorly and well sorted loose sand alternating on auger.
18.5
to 20.0 Sand, 2.5Y3/0 (very
dark gray), fine-grained, well-sorted, more
resistant
unit.
20.0
to 23.7 No recovery. Well sorted and silty sand alternating on
auger.
23.7
to 25.0 Sand, 5Y4/1 (dark
gray), well sorted, fine-grained.
25.0
to 27.0 Silt (Peoria loess?),
5Y3/1 (very dark gray), organic streaks, wood
chips.
27.0
to 30.75 Till, (Sheldon Cr.
Mbr.?), unoxidized, dense.
Bottom
of borehole @ 30.75 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/28/00
Site D
Depth (ft) Description
0.0
to 3.5 Modern soil – no
recovery.
3.0
to 4.3 No
recovery. Probably sand.
4.3
to 5.0 Sand, 5Y4/1
(dark gray), coarse, poorly sorted, wet.
5.0
to 5.35 No recovery. Probably sand.
5.35 to 10.0 Till, late Wisconsin (Morgan Mbr.?) 5Y4/1 (dark gray), unoxidized, sand seam @ 8.7- to 8.9 ft.
10.0
to 10.15 No recovery. Probably sand.
10.15
to 15.0 Till, late Wisconsin
(Morgan Mbr.?), 5Y4/1 (dark gray), unoxidized.
15.0
to 16.8 No recovery. Probably sand.
16.8
to 20.0 Till, late Wisconsin
(Morgan Mbr.?), unoxidized, some sand seams.
20.0
to 25.0 No recovery. Gray sand on auger the entire interval.
25.0
to 28.0 Till, late Wisconsin
(Morgan Mbr.?), unoxidized.
Bottom
of borehole @ 28 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/27/00
Site E
Depth (ft) Description
0.0
to 3.0 Modern soil – no
recovery.
3.0
to 3.5 No
recovery. Probably sand.
3.5
to 5.0 Sand, 2.5Y6/3
(light yellowish brown), fine to medium-grained,
clayey sand @
4.8 to 5.0 ft.
5.0
to 12.9 No recovery. Poorly-sorted gray sand on auger.
12.9
to 15.0 Gravel with till,
very poorly sorted, possible debris flow sediment.
15.0
to 18.7 No recovery. Gray sand, with cobbles @ ~16 to 17 ft.
18.7 to 20.0 Sand, 2.5Y5/2 (grayish brown), well-sorted, coarse-grained. Cleanest sand to date, heaved and locked up core barrel.
20.0
to 20.4 No recovery. Sand, gray, coarse-grained, less well
sorted.
24.5
to 25.0 Sand, gray, coarse
grained.
25.0
to 30.1 No recovery. Sand with till at 26 to 27 ft.
Bottom
of borehole @ 30.1 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/27/00
Site F
Depth (ft) Description
0.0
to 3.0 Modern soil – no
recovery.
3.0
to 3.8 No
recovery. Fill sand.
3.8
to 3.9 Black fill sand? calcareous
3.9
to 5.0 Sand (fill?),
5Y4/1 (dark gray) to 5Y2.5/1 (black).
5.0
to 9.7 No
recovery. Mostly sand, some clay from 7
to 10 ft. calc.
9.7
to 10.0 Sand, well
sorted, clean.
10.0 to 13.2 Sand, fine-grained, runny @ 12.6 to
13.2 ft, calcareous.
13.2 to15.0 Till, late Wisconsin (Morgan
Mbr.?), 5Y4/1 (dark gray), calc.
15.0
to 18.45 No recovery. Probably sand.
18.45 to 20.0 Till, late Wisconsin (Alden Mbr.?), 5Y4/1 (dark gray), calc., very compact @ 19.8 to 20 ft.
20.0
to 22.0 No recovery. Probably sand. Seems to fine upward.
22.0
to 25.0 Sand, 10YR5/1
(gray), fine to medium-grained.
25.0 to 30.0 Stiff sand and till-like
sediment, 5Y5/1 (gray). Calcareous.
Potential debris flow.
Bottom
of borehole @ 30 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/29/00
Site G
Depth (ft) Description
0.0
to 3.0 Gravelly sand,
rocky near top.
3.0
to 4.6 No
recovery. Sand.
4.6
to 5.0 Sand.
5.0
to 6.9 No recovery.
6.9
to 7.5 Peat. Compressed
and slightly consolidated.
7.5
to 10.0 Sandy clay,
5Y2.5/1 (black). Gravel layer at
bottom.
10.0
to 14.0 No recovery. Poorly sorted sand (2.5Y4/1 black color).
14.0
to 15.0 Sand, 5Y2.5/1
(black).
15.0
to 20.0 No recovery. Sand, light gray, runny on augers.
20.0
to 25.0 No recovery. Sand, gray, runny on augers.
25.0 to 27.5 Till, late Wisconsin (Morgan Mbr.?), 5Y3/1 (very dark gray), some pebbles.
27.5
to 29.75 Shelby tube
Bottom
of borehole @ 29.75 ft.
Description
by Keri Drenner and Bill Simpkins, 6/26/00
Site H
Depth (ft) Description
0.0
to 3.0 Modern soil – no
recovery.
3.0
to 4.5 Modern
soil. Sandy loam.
4.5
to 5.0 Sand, very well
sorted, 10YR5/3 (brown). Beach sand.
5.0
to 8.2 No
recovery. Sand, gray, coarse.
8.2
to 10.0 Sand, 5Y4/1 (dark
gray), coarse-grained with larger cobbles.
10.0
to 15.0 No recovery. Sand,
gray, medium-grained.
15.0
to 17.9 No recovery. Same as above.
17.9
to 20.0 Sand, 5Y5/1 (gray),
medium-grained, no gravel
20.0 to 30.35 No recovery. Gray sand, fine to medium grained. Formation heaved and locked augers at 25 ft.
Bottom
of borehole @ 30.35 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 7/10/00
Site I
Depth
(ft) Description
0.0
to 3.0 Modern soil – no
recovery.
3.0
to 4.5 No recovery:
Cobble zone ~ 3.5 ft.
4.5
to 5.0 Organic horizon
and fine sand and cobbles, 2.5Y2/0 (black).
5.0
to 9.5 No
recovery. Soupy, organic sand on
augers.
9.5
to 10.0 Sand, 5Y4/1 (dark
gray), medium-grained, well-sorted.
10.0
to 11.7 No recovery. Gray, soupy sand on auger.
11.7
to 13.6 Silt (lake
sediment), fine organic matter, shells at 13.9 ft.
13.6
to 14.4 Silty clay (lake
sediment), 5Y5/2 (olive gray).
14.4
to 15.0 Sandy silt (lake
sediment), 5Y4/1 (dark gray).
15.0
to 18.3 Silty sand,
gravelly, (lake sediment).
18.3
to 18.8 No recovery: Poorly
rounded gravel and silty sand.
18.8
to 19.3 Sand, organic
horizon, wood, roots?
19.3
to 20.0 Silty sand, stiff,
heaving conditions.
20.0
to 22.5 No recovery. Probably sand.
22.5
to 25.0 Sand, 5Y4/1 (dark
gray), fine-grained, well-sorted.
25.0
to 27.0 No recovery. Sand, but pulled till from auger.
27 to 30.3 Silty sand, stiff with some clean sand at bottom. Possible till at very bottom 0.5 ft.
Bottom
of borehole @ 30.3 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 7/11/00
Site J
Depth (ft) Description
0.0
to 2.9 Modern soil – no
recovery.
2.9
to 3.2 Soil material,
non-calcareous
3.2
to 4.6 Sand, 2.5Y5/2
(grayish brown), fine-grained, well sorted, calc.
4.6
to 5.0 Clayey sand,
poorly sorted.
5.0
to 7.5 No
recovery. Probably sand.
7.5
to 8.6 Grayish sand,
medium-grained, poorly sorted with clay.
8.6
to 8.9 Clayey sand,
5GY4/1 (dark greenish gray), stiff
8.9 to 9.9 Clayey sand, 2.5Y4/3 (olive brown), oxidized, mixed with silt (possible loess)?
9.9 to 10.0 Silt (loess), calcareous, 2.5Y5/2.
10.0
to 11.3 No recovery. Probably sand.
11.3
to 13.1 Silty sand,
oxidized.
13.1
to 14.2 Mix of oxidized/unoxidized
silty sand.
14.2
to 14.9 Clayey sand,
oxidized, stiff, calcareous, 2.5Y5/2
14.9
to 15.0 Laminated silt, ½
oxidized, ½ unoxidized.
15.0
to 16.7 No recovery. Probably sand.
16.7
to 17.4 Sand, 2.5Y4/2 (dark
grayish brown), fine-grained.
17.4
to 18.1 Silt , some sand
(loess?), 5Y4/1 (dark gray).
18.1
to 19.6 Silt, same as above,
no sand, 5Y4/1, calcareous.
19.6
to 19.9 Sand, fine-grained,
poorly sorted.
19.9
to 20.0 Silt.
20.0
to 21.7 No recovery. Probably sand.
21.7
to 22.6 Sand, fine-grained,
runny.
22.6
to 23.1 Silt/fine sand
mixture.
23.1
to 24.0 Silt, 2.5Y4/2 (dark
grayish brown), some fine sand.
24.0
to 25.0 Silt, 2.5Y3/2 (very
dark grayish brown), calcareous.
25.0
to 25.6 Till, 5Y5/3 (olive)
to 5Y4/1 (dark gray), very hard, very dense.
25.6 to 31.2 Till, 5Y4/1 (dark gray), very hard, very dense, calcareous, resembles Pre-Illinoian till. Could be Sheldon Creek till. Rig would not push Shelby tube into it.
Bottom
of borehole @ 31.2 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 6/29/00
Site K
Depth (ft) Description
0.0
to 1.0 Modern soil – no
recovery.
1.0
to 2.0 A horizon,
5Y2.5/1 (black), organic (histosol).
2.0
to 2.9 A to B horizon,
5Y2.5/1 (black), less organic.
2.9
to 3.8 Silty organic
horizon, 2.5Y5/3 (light olive brown) to 5Y2.5/1 (black).
3.8
to 4.7 Clay, 2.5Y6/2
(light brownish gray), gravelly (colluvium?).
4.7 to 5.0 Till, late Wisconsin (Morgan Mbr.?), oxidized, 2.5Y5/4 (light olive brown).
5.0
to 8.9 No
recovery. Probably sand.
8.9 to 10.0 Till, late Wisconsin (Morgan Mbr.?), oxidized. 2.5Y5/4 (light olive brown).
10.0
to 13.3 No recovery. Probably sand.
13.3
to 15.0 Till, late Wisconsin
(Morgan Mbr?), unoxidized.
15.0 to 29.9 Till late Wisconsin (Alden Mbr?), 5Y4/1 (dark gray), unoxidized, very hard.
Bottom
of borehole @ 29.9 ft.
Preliminary
description by Keri Drenner and Bill Simpkins, 7/10/00