Table T1. Coring
summary, Ancora Site. (Continued on next
page.)
Run
numberDate
(1998)Cored
interval
(ft)Run
length
(ft)Recovery
Primary
lithology
Formation
Color
(ft)
(%)
Hole A
1
8 July
2-7
5.0
2
40
Gravel
Surficial
12.5Y7/6-7/8 yellow
2
8 July
7-9.5
2.5
2.1
84
Red gravel
Surficial
2.5Y7/6 light red
3
8 July
9.5-12
2.5
1
40
Red clayey sand
?Cohansey
5YR5/8 yellowish red
4
8 July
12-15
3.0
2.2
73
Medium to fine sand
?Cohansey
10YR5/4 yellowish brown
5
9 July
15-17.5
2.5
2.1
84
Medium to coarse quartz
sand
?Cohansey
5YR4/6 yellowish red
6
9 July
17.5-20
2.5
2.3
92
Medium to coarse quartz
sand
?Cohansey
5YR4/4 yellowish red
7
9 July
20-22
2.0
2
100
Pebbly variegated
coarse quartz sand
?Cohansey
2.5YR4/4 dusky red
8
9 July
22-23
1.0
1
100
Semi-indurated
variegated coarse quartz sand
?Cohansey
2.5YR2.5/4 very dusky
red
9
9 July
23-25
2.0
1.8
90
Indurated and semi-indurated
very coarse quartz sand
?Cohansey
5YR3/2 dark red brown
10
9 July
25-27.5
2.5
2.6
104
Cross-bedded medium to
very coarse quartz sand
?Cohansey
5YR4/6 yellowish red
11
9 July
27.5-30
2.5
1.9
76
Indurated very coarse
sand; fine to medium sand; contact at 29.25 ft; definite Cohansey
Formation
Cohansey
10YR8/8 yellow + red +
gray
12
9 July
30-35
5.0
4.45
89
Cross-bedded, burrowed
medium to coarse quartz sand
Cohansey
10YR7/6 yellow
13
9 July
35-40
5.0
4.6
92
Cross-bedded, burrowed
medium to coarse quartz sand
Cohansey
10YR7/8 yellow
14
9 July
40-45
5.0
4.3
86
Massive fine to medium
quartz sand
Cohansey
10YR7/6 yellow
15
9 July
45-50
5.0
4.1
82
Massive fine quartz
sand
Cohansey
10YR7/6 yellow
16
9 July
50-55
5.0
3.2
64
Massive and
cross-bedded fine to medium quartz sand
Cohansey
10YR7/8 yellow
17
9 July
55-60
5.0
4.5
90
Massive medium to
coarse quartz sand
Cohansey
10YR7/8 yellow
18
9 July
60-65
5.0
4.4
88
Medium sand with
interbedded clay
Cohansey
10YR8/6 yellow
19
10 July
65-70
5.0
2.2
44
Medium sand with
interbedded clay
Cohansey
10YR8/6 yellow
20
10 July
70-75
5.0
4.2
84
Medium sand with
interbedded clay
Cohansey
10YR8/7 yellow
21
10 July
75-80
5.0
4
80
Medium sand with
interbedded clay
Cohansey
10YR8/6 yellow
22
10 July
80-85
5.0
4
80
Medium sand with
interbedded clay
Cohansey
10YR6/6 yellow
23
10 July
85-90
5.0
4.1
82
Coarse sand with
interbedded clay
Cohansey
10YR8/6 yellow
24
10 July
90-95
5.0
4.1
82
Medium sand with
interbedded clay
Cohansey
10YR7/6 yellow
25
12 July
95-100
5.0
4.4
88
Medium sand with
interbedded silt
Cohansey
10YR6/6 yellow
26
12 July
100-105
5.0
4.3
86
Medium to coarse sand,
variegated
Cohansey
7.5YR6/6 reddish yellow
27
12 July
105-110
5.0
4
80
Medium sand, silty clay
lenses, fining up
Cohansey
7.5YR6/4, 10YR6/4 light
brown, light yellowish brown
28
12 July
110-115
5.0
4
80
Fine sand, two thin
silty clay lenses
Cohansey
10YR7/8-7/4 yellow-very
pale brown
29
12 July
115-120
5.0
4
80
Fine to coarse sand,
variegated
Cohansey
10YR7/6, 5YR6/6 yellow,
reddish yellow
30
12 July
120-125
5.0
4.1
82
Medium to coarse sand,
pebbles up to 4 mm
Cohansey
2.5YR4/8, 7.5YR7/4 dark
red, pink
31
12 July
125-130
5.0
5
100
Fine to medium sand
grading to coarse
Cohansey
2.5YR4/8 dark red
32
12 July
130-135
5.0
4.9
98
Medium to coarse sand
Cohansey
5YR5/8 yellowish red
33
12 July
135-140
5.0
4
80
Medium to coarse sand,
two silty sand lenses
Cohansey
5YR5/8, 7.5YR7/1
yellowish red, light gray
34
12 July
140-145
5.0
4
80
Medium to coarse sand
Cohansey
10YR7/4 very pale brown
35
13 July
145-150
5.0
4.5
90
Pebbly fine to very
coarse quartz sand
Cohansey
10YR5/8 yellowish brown
36
13 July
150-155
5.0
4.6
92
Pebbly medium to coarse
quartz sand
Cohansey
2.5Y8/6 yellow
37
13 July
155-160
5.0
5.3
106
Medium sand
Cohansey
10YR7/8-6/6
yellow-brown yellow
38
13 July
160-165
5.0
5.1
102
Slightly silty medium
sand
Cohansey
2.5Y7/4 pale yellow
39
13 July
165-170
5.0
5.1
102
Cross-bedded medium
sand; massive fine to medium sand; sequence boundary at 167.9 ft
Cohansey/Kirkwood
2.5Y7/6, 5GY4/1 yellow,
dark greenish gray
40
13 July
170-175
5.0
0.6
12
Cross-bedded medium
sand; massive fine to medium sand
Kirkwood
2.5Y7/6, 5GY4/1 yellow,
dark greenish gray
41
13 July
175-180
5.0
0
0
42
13 July
180-185
5.0
5.6
112
Silty very fine to fine
quartz sand
Kirkwood
N5 gray
43
13 July
185-190
5.0
2
40
Silty very fine to fine
quartz sand
Kirkwood
N5 gray
44
13 July
190-195
5.0
5.4
108
Silty very fine to fine
quartz sand
Kirkwood
N5 gray
45
13 July
195-200
5.0
5
100
Silty very fine to fine
sand; silty clay
Kirkwood
N5 gray
46
13 July
200-205
5.0
5.3
106
Silty clay to clay
Kirkwood
N3 very dark gray
47
14 July
205-210
5.0
5.35
107
Silty clay to clay
Kirkwood
N5 gray
48
16 July
210-220
10.0
10.325
103
Thinly bed and mass
clay and silty clay
Kirkwood
10YR31/1-2, 5Y3/2 very
dark gray, dark olive gray
49
16 July
220-230
10.0
10.3
103
Thinly bed and mass
clay and silty clay; sequence boundary at 227.2 ft
Kirkwood
10YR3/1-2, 2.5Y4/1 very
dark gray, dark gray
50
16 July
230-240
10.0
10.2
102
Sandy silt; clayey
silt; silty fine sand
Kirkwood
7.5YR4/1, 10YR5/2,
2.5Y3/2 dusky red
51
16 July
240-250
10.0
9.1
91
Silty very fine quartz
sand
Kirkwood
10YR3/1 very dark gray
52
16 July
250-260
10.0
10.3
103
Silty very fine to fine
quartz sand
Kirkwood
10YR3/1 very dark gray
53
16 July
260-270
10.0
9.65
97
Shelly silty very fine
sand; lag; medium to coarse glauconitic quartz sand; contact at 263.7 ft
Kirkwood/Shark River
5GY5/1-4/1 greenish
gray to dark greenish gray
54
16 July
270-280
10.0
9.6
96
Shelly silty very fine
sand; lag; medium to coarse glauconitic quartz sand
Shark River
5GY4/1 dark greenish
gray
55
17 July
280-290
10.0
10
100
Medium to coarse quartz
sand
Shark River
5GY5/1-4/1 dark
greenish gray
56
17 July
290-300
10.0
10.2
102
Medium to coarse quartz
sand
Shark River
5GY5/1-4/1 dark
greenish gray
57
17 July
300-310
10.0
10
100
Medium to coarse quartz
sand
Shark River
5GY5/1-4/1 dark
greenish gray
58
17 July
310-316
6.0
6
100
Medium to coarse quartz
sand; clayier medium to coarse quartz sand
Shark River
5GY5/1 greenish gray
59
17 July
316-320
4.0
3.3
83
Medium to coarse quartz
sand; clayier medium to coarse quartz sand
Shark River
5GY6/1 greenish gray
60
17 July
320-330
10.0
10
100
Medium to coarse quartz
sand; clayier medium to coarse quartz sand
Shark River
5GY6/1 greenish gray
61
17 July
330-340
10.0
9.7
97
Medium to coarse quartz
sand; clayier medium to coarse quartz sand
Shark River
5GY5/1 greenish gray
62
17 July
340-350
10.0
10.3
103
Medium to coarse quartz
sand; clayier medium to coarse quartz sand
Shark River
5GY5/1 greenish gray
63
17 July
350-360
10.0
10
100
Glauconitic clay and
glauconite sand; sequence boundary at 359.8 ft
Shark River
5GY5/1 greenish gray
64
18 July
360-370
10.0
10.4
104
Glauconitic clay
Shark River
5G4/1 dark greenish
gray
65
18 July
370-380
10.0
10.2
102
Glauconitic clay
Shark River
5GY5/1 greenish gray
66
18 July
380-390
10.0
10.2
102
Glauconitic clay; silty
clay; sequence boundary at 388.6 ft
Shark River
5GY4/1,5G6/2 dark
grayish gray, pale green
67
18 July
390-400
10.0
10.35
104
Silty clay
Shark River
5G6/2 pale green
68
18 July
400-405
5.0
4.4
88
Silty clay with
glauconite
Shark River
5G5/2 grayish green
69
18 July
405-410
5.0
5.1
102
Silty clay with
glauconite
Shark River
5G5/2 grayish green
70
19 July
410-415
5.0
5.2
104
Silty clay with
glauconite; glauconitic clay
Shark River
10GY5/2, 10Y6/2
greenish green, pale olive
71
19 July
415-420
5.0
5.7
114
Silty clay; glauconitic
slightly sandy clay
Shark River
10Y6/2 pale olive
72
19 July
420-427
7.0
7.8
111
Glauconitic clay
Shark River
10Y6/2 pale olive
73
19 July
427-430
3.0
2.5
83
Indurated, heavily
glauconitic clay; silty clay with glauconite; sequence boundary at 427.6
ft
Shark River
10Y6/2, 5Y6/3 pale
olive
74
19 July
430-440
10.0
4
40
Clay with glauconite;
glauconitic clay
Shark River
5Y6/2 light olive gray
75
19 July
440-443
3.0
3.35
112
Glauconitic clay
grading to clayey glauconite sand
Shark River
5Y6/3 pale olive
76
20 July
443-450
7.0
6.5
93
Glauconitic clay and
clayey glauconite sand; sequence boundaries at 443 and 446.7 ft; contact
at 448.7 ft
Shark River/Manasquan
5GY4/1 dark greenish
gray
77
20 July
450-460
10.0
10.4
104
Interbedded clay and
silty clay
Manasquan
5G6/2 pale green
78
20 July
460-470
10.0
1.95
20
Slightly glauconitic
silty clay; sequence boundary at 461.2 ft
Manasquan
5G5/1 greenish gray
79
21 July
470-480
10.0
9.2
92
Slightly glauconitic
interbedded clay and silt
Manasquan
5GY5/1 greenish gray
80
21 July
480-490
10.0
10.2
102
Laminated; rippled
silty clay
Manasquan
5GY5/1 greenish gray
81
21 July
490-498
8.0
6.9
86
Slightly glauconitic
silty clay with some sand
Manasquan
5GY5/1 greenish gray
82
21 July
498-500
2.0
0
0
83
21 July
500-508
8.0
7.3
91
Interbedded clay and
silty clay
Manasquan
5GY4/1 dark greenish
gray
84
22 July
508-515
7.0
1.25
18
Silty clay
Manasquan
5GY4/1 dark greenish
gray
85
22 July
515-520
5.0
5.1
102
Silty clay; glauconitic
silty clay; sequence boundary at 519.2 ft
Manasquan
5GY4/1 dark greenish
gray
86
22 July
520-530
10.0
10.2
102
Clayey glauconite sand;
very slightly glauconitic micaceous silty clay; contact at 522.2 ft
Manasquan/ Vincentown
equivalent
N2.5, 5GY4/1 black,
dark greenish gray
87
22 July
530-540
10.0
10
100
Micaceous silty clay
Vincentown equivalent
5GY4/1 dark greenish
gray
88
23 July
540-550
10.0
5.5
55
Silty clay; convoluted
clay
Vincentown equivalent
5GY4/1 dark greenish
gray
89
23 July
550-560
10.0
10.15
102
Interbedded silty clay
and clay
Vincentown equivalent
5GY5/1-6/1 greenish
gray
90
23 July
560-570
10.0
10.3
103
Laminated silty clay to
massive glauconitic, micaceous, sandy clayey silt
Vincentown equivalent
5GY5/1-6/1, 4GY4/1
greenish gray, dark greenish gray
91
23 July
570-580
10.0
10.4
104
Massive glauconitic,
micaceous, sandy clayey silt
Vincentown equivalent
5GY4/1 dark greenish
gray
92
24 July
580-585
5.0
5.1
102
Massive glauconitic,
micaceous, sandy clayey silt
Vincentown equivalent
5GY4/1 dark greenish
gray
93
24 July
585-590
5.0
5.4
108
Massive glauconitic,
micaceous, sandy clayey silt
Vincentown equivalent
5GY4/1 dark greenish
gray
94
24 July
590-595.5
5.5
5.5
100
Glauconitic clay
Vincentown equivalent
5GY4/1 dark greenish
gray
95
24 July
595.5-600
4.5
4.9
109
Glauconitic clay to
clayey glauconite sand; sequence boundary at 597.5 ft
Vincentown equivalent
5GY4/1 dark greenish
gray
96
24 July
600-605
5.5
5.5
100
Glauconite sand;
contact at 604.5 ft
Vincentown
equivalent/Hornerstown
5GY4/1 dark greenish
gray
97
24 July
605.6-610
4.5
4.8
107
Glauconite sand
Hornerstown
N3 very dark gray
98
24 July
610-620
10.0
10.2
102
Glauconite sand; clayey
glauconite sand; sequence boundary at 612.5 ft; contact at 618.1 ft
Hornerstown/Navesink
N3, 5GY4/1 very dark
gray, dark greenish gray
99
24 July
620-630
10.0
10.4
104
Glauconite sand
Navesink
5GY4/1 dark greenish
gray
100
25 July
630-635
5.0
5.1
102
Glauconite clay
Navesink
5GY4/1 dark greenish
gray
101
25 July
635-640
5.0
5.25
105
Glauconite clay
Navesink
5GY4/1 dark greenish
gray
102
25 July
640-650
10.0
10
100
Glauconite clay
Navesink
5GY4/1 dark greenish
gray
103
25 July
650-660
10.0
10.1
101
Quartzose and
glauconitic clayey sand; contact at 651.3 ft
Navesink/Mt. Laurel
N7 light gray
104
25 July
660-666
6.0
6.4
107
Quartzose and
glauconitic clayey sand
Mt. Laurel
5Y6/3 pale olive
105
25 July
666-670
4.0
3.4
85
Quartzose and
glauconitic clayey sand
Mt. Laurel
5Y6/3 pale olive
106
25 July
670-680
10.0
10
100
Quartzose sand
Mt. Laurel
5Y5/2 olive gray
107
25 July
680-690
10.0
9.8
98
Quartzose sand
Mt. Laurel
5Y5/2 olive gray
108
26 July
690-700
10.0
9.6
96
Slightly glauconitic
clayey fine quartz sand
Mt. Laurel
5GY5/1 greenish gray
109
26 July
700-710
10.0
10.15
102
Slightly glauconitic
clayey fine quartz sand
Mt. Laurel
5GY4/1 dark greenish
gray
110
26 July
710-720
10.0
9.8
98
Glauconitic clayey fine
quartz sand; slightly glauconitic sandy micaceous silt; contact at 718 ft
Mt. Laurel/Wenonah
5GY4/1, 5Y3/2 dark
greenish gray, dark olive gray
111
26 July
720-730
10.0
10.5
105
Slightly glauconitic
micaceous clay-silt
Wenonah
5Y3/1 very dark gray
112
26 July
730-740
10.0
10
100
Bioturbated, very silty
clay
Wenonah
5Y3/1 very dark gray
113
26 July
740-750
10.0
10.2
102
Bioturbated, silty,
glauconitic, clay; contact at 742 ft
Wenonah/Marshalltown
5Y3/1 very dark gray
114
27 July
750-759
9.0
8.5
94
Shelly, clayey
glauconite sand, glauconitic clay, quartz sand; contact at 757.2 ft
Marshalltown/Englishtown
N3, N4 very dark gray,
dark gray
Hole A
coring totals:
759.00
693.82
91.4