Table T1. Core descriptions, Bethany Beach borehole, Leg 174AXS. 
Run
Date (2000)
Cored interval (ft)
Run length (ft)
Recovered (ft)
Recovery (%)
Primary lithology
Formation
1 12 May 5-10 5.0 3.65 73 Sand; 2.2-ft contact, sandy silty clay Omar
2 12 May 10-15 5.0 4.20 84 Fine-very fine sand and clay Omar
3 12 May 15-20 5.0 3.60 72 Fine-very fine sand and clay Omar
4 12 May 20-30 10.0 6.30 63 Very fine sand and silty clay; shell layer Omar
5 12 May 30-40 10.0 9.20 92 Peaty clay; very fine-coarse sand at top Omar
6 12 May 40-50 10.0 1.65 17 Peaty clay Omar
7 13 May 50-57 7.0 5.40 77 Clay grading down to sand; 52.9-ft contact; very coarse sand below Omar/Beaverdam
8 13 May 57-60 3.0 1.60 53 Coarse-very coarse sand Beaverdam
9 13 May 60-70 10.0 1.65 17 Fine-coarse sand Beaverdam
10 13 May 70-72 2.0 1.65 83 Fine-coarse sand with clay interbeds Beaverdam
11 13 May 72-75 3.0 2.50 83 Medium sand; very coarse sand Beaverdam
12 13 May 75-80 5.0 0.00 0 ? Beaverdam
13 13 May 80-85 5.0 1.25 25 Coarse-very coarse sand with clay interbeds Beaverdam
14 14 May 85-87 2.0 1.85 93 Coarse sand with clay interbeds Beaverdam
15 14 May 87-90 3.0 2.60 87 Medium-very coarse sand Beaverdam
16 14 May 90-91 1.0 2.00 200 Fine-very coarse poorly sorted sand Beaverdam
17 14 May 91-94 3.0 2.00 67 Coarse sand; fine-medium sand Beaverdam
18 14 May 94-97 3.0 2.75 92 Medium-coarse sand Beaverdam
19 14 May 97-100 3.0 0.70 23 Coarse sand Beaverdam
20 14 May 100-105 5.0 4.00 80 Fine-medium sand Beaverdam
21 15 May 105-110 5.0 3.70 74 Coarse-very coarse sand; medium-fine sand Beaverdam
22 15 May 110-115 5.0 4.30 86 Medium-coarse sand Beaverdam
23 15 May 115-120 5.0 3.40 68 Medium sand; 117.5-ft contact; laminated clay and sand Beaverdam/Bethany
24 15 May 120-125 5.0 0.40 8 Fine-medium sand Bethany
25 15 May 125-130 5.0 5.90 118 Medium-coarse silty sand Bethany
26 15 May 130-135 5.0 3.30 66 Medium, poorly sorted sand Bethany
27 15 May 135-140 5.0 4.10 82 Medium-coarse sand Bethany
28 15 May 140-145 5.0 4.70 94 Medium-coarse sand Bethany
29 15 May 145-150 5.0 3.45 69 Fine-coarse sand, clay interbeds Bethany
30 15 May 150-155 5.0 1.40 28 Fine-medium silty sand Bethany
31 16 May 155-160 5.0 4.80 96 Clayey silty fine sand Bethany
32 16 May 160-170 10.0 6.22 62 Very fine-fine sand, clayey silt laminae Bethany
33 16 May 170-175 5.0 3.80 76 Very fine-coarse sand Bethany
34 16 May 175-176.5 1.5 1.50 100 Fine-coarse sands Bethany
35 16 May 176.5-180 3.5 1.60 46 Very fine-fine well-sorted sand Bethany
36 16 May 180-185 5.0 5.00 100 Very fine-fine sand; contact at 180.85 ft; silty clay, sand, and silt Bethany
37 16 May 185-190 5.0 5.30 106 Very fine-fine sand Bethany
38 16 May 190-195 5.0 4.50 90 Very fine and to silt; silty clay Bethany
39 16 May 195-205 10.0 8.70 87 Very fine-fine sand; clay lens; 197.4-ft contact Bethany/Manokin
40 17 May 205-210 5.0 4.90 98 Very fine-fine silty lignitic sand Manokin
41 19 May 210-215 5.0 0.00 0
Manokin
42 19 May 215-220 5.0 4.90 98 Indurated sandstone; very fine-fine sand; clay stringers Manokin
43 19 May 220-229 9.0 7.15 79 Interbedded poorly sorted medium-very fine, fine-very fine, fine-coarse, fine-medium, coarse-fine sand; occasionally lignitic Manokin
44 19 May 229-234 5.0 2.90 58 Fine-very coarse lignitic sand Manokin
45 19 May 234-240 6.0 2.80 47 Fine-very coarse sand Manokin
46 20 May 240-245 5.0 2.00 40 Medium-coarse sand Manokin
47 20 May 245-250 5.0 0.10 2 Medium-coarse sand Manokin
48 20 May 250-253.5 3.5 2.60 74 Fine-medium sand Manokin
49 20 May 253.5-260 6.5 0.00 0
Manokin
50 20 May 260-263 3.0 1.30 43 Fine-medium sand Manokin
51 20 May 263-266 3.0 1.55 52 Very fine-fine sand Manokin
52 20 May 266-270 4.0 1.60 40 Fine-very coarse sand Manokin
53 21 May 270-275 5.0 0.00 0
Manokin
54 21 May 275-277.5 2.5 1.65 66 Medium-coarse sand Manokin
55 21 May 277.5-285 7.5 2.15 29 Fine-medium sand Manokin
56 21 May 285-288 3.0 2.45 82 Fine grading down to fine-medium to medium sand Manokin
57 21 May 288-292 4.0 1.45 36 Medium grading to fine sand Manokin
58 21 May 292-294 2.0 1.85 93 Medium-coarse sand; very coarse pebbly sand Manokin
59 21 May 294-297 3.0 0.80 27 Pebbles (caved) over clay contact (294.1 ft) sand Manokin
60 21 May 297-300 3.0 0.10 3 Fine? sand Manokin
61 22 May 300-305 5.0 3.70 74 Medium grading to fine well-sorted sand Manokin
62 22 May 305-310 5.0 4.00 80 Fine-medium well-sorted sand Manokin
63 22 May 310-312.5 2.5 1.55 62 Fine-medium well-sorted sand Manokin
64 22 May 312.5-320 7.5 6.37 85 Fine-medium well-sorted sand; lignitic clay Manokin
65 22 May 320-324 4.0 2.00 50 Fine-medium to fine sand Manokin
66 22 May 324-330 6.0 5.45 91 Fine-medium sand Manokin
67 22 May 330-340 10.0 4.75 48 Fine-medium sand Manokin
68 23 May 340-350 10.0 0.00 0
Manokin
69 23 May 350-355 5.0 3.55 71 Fine-medium sand Manokin
70 23 May 355-360 5.0 2.90 58 Fine-medium sand Manokin
71 23 May 360-365 5.0 4.10 82 Fine-medium sand Manokin
72 23 May 365-370 5.0 4.30 86 Fine-medium sand Manokin
73 23 May 370-375 5.0 3.15 63 Clayey fine-medium sand Manokin
74 23 May 375-380 5.0 4.55 91 Shelly clayey fine-medium sand Manokin
75 23 May 380-385 5.0 4.40 88 Shelly clayey fine-medium sand Manokin
76 23 May 385-390 5.0 4.45 89 Shelly clayey fine-medium sand Manokin
77 23 May 390-395 5.0 3.10 62 Shelly clayey fine-medium sand Manokin
78 23 May 395-400 5.0 3.10 62 Shelly clayey fine-medium sand Manokin
79 24 May 400-405 5.0 3.30 66 Shelly clayey fine-medium sand Manokin
80 24 May 405-410 5.0 4.65 93 Shelly clayey fine-medium sand Manokin
81 24 May 410-415 5.0 4.05 81 Shelly clayey fine sand Manokin
82 24 May 415-420 5.0 4.20 84 Shelly clayey fine sand Manokin
83 24 May 420-425 5.0 3.55 71 Shelly clayey fine sand Manokin
84 24 May 425-430 5.0 4.25 85 Shelly clayey fine sand Manokin
85 24 May 430-440 10.0 10.40 104 Shelly clayey fine sand Manokin
86 24 May 440-450 10.0 10.25 103 Very fine sandy silt/clay; 449.4-ft contact Manokin/St. Marys
87 24 May 450-460 10.0 9.95 100 Slightly silty clay St. Marys
88 24 May 460-470 10.0 6.70 67 Slightly silty clay St. Marys
89 24 May 470-480 10.0 9.15 92 Slightly silty clay St. Marys
90 25 May 480-485 5.0 5.10 102 Slightly silty clay St. Marys
91 25 May 485-490 5.0 5.22 104 Slightly silty clay St. Marys
92 25 May 490-500 10.0 9.50 95 Slightly silty clay St. Marys
93 25 May 500-510 10.0 10.15 102 Slightly silty clay St. Marys
94 25 May 510-516 6.0 5.65 94 Slightly silty clay St. Marys
95 25 May 516-520 4.0 0.20 5 Indurated layer St. Marys
96 25 May 520-523 3.0 3.60 120 Glauconite sandy clay St. Marys
97 25 May 523-530 7.0 7.30 104 Indurated layer with silty clay below St. Marys
98 26 May 530-540 10.0 10.35 104 Slightly silty laminated clay St. Marys
99 26 May 540-550 10.0 10.45 105 Slightly silty laminated clay/glauconite at base St. Marys
100 26 May 550-558.5 8.5 8.85 104 Glauconite sandy clay/clay; contact at 557.7 ft St. Marys
101 26 May 558.5-560 1.5 1.20 80 Slightly silty clay St. Marys
102 26 May 560-570 10.0 10.05 101 Slightly silty clay St. Marys
103 26 May 570-573.5 3.5 3.40 97 Medium sand and shell bed St. Marys
104 26 May 573.5-580 6.5 1.70 26 Indurated sandy shell bed; 575.2-ft contact St. Marys/Choptank
105 26 May 580-581 1.0 1.00 100 Fine to medium sand Choptank
106 26 May 581-588 7.0 6.70 96 Conglomerate and muddy sand Choptank
107 27 May 588-593 5.0 1.85 37 Interbedded sand and clay Choptank
108 27 May 593-600 7.0 7.15 102 Medium sand Choptank
109 27 May 600-610 10.0 9.15 92 Medium sand Choptank
110 27 May 610-615 5.0 6.05 121 Medium sand Choptank
111 27 May 615-616.7 1.7 1.15 68 Medium sand Choptank
112 27 May 616.7-620 3.3 1.11 34 Medium sand Choptank
113 27 May 620-630 10.0 9.95 100 Medium sand Choptank
114 27 May 630-638 8.0 6.95 87 Medium sand Choptank
115 27 May 638-645 7.0 6.75 96 Medium sand Choptank
116 28 May 645-649 4.0 3.30 83 Shelly sand/shell bed Choptank
117 28 May 649-656 7.0 5.35 76 Medium sand/cemented at base Choptank
118 28 May 656-660 4.0 3.80 95 Medium sand Choptank
119 28 May 660-670 10.0 2.30 23 Medium sand/cemented Choptank
120 28 May 670-680 10.0 10.30 103 Laminated sand and silt Choptank
121 28 May 680-690 10.0 7.15 72 Laminated sand and silt Choptank
122 28 May 690-692 2.0 4.75 238 Laminated sand and silt/cemented at base Choptank
123 28 May 692-700 8.0 2.10 26 Medium sand/cemented at top Choptank
124 28 May 700-710 10.0 9.45 95 Laminated sand and silt Choptank
125 28 May 710-720 10.0 9.45 95 Laminated sand and silt Choptank
126 29 May 720-726 6.0 5.05 84 Laminated sand and silt Choptank
127 29 May 726-730 4.0 4.30 108 Laminated sand and silt Choptank
128 29 May 730-740 10.0 8.25 83 Laminated sand and silt Choptank
129 29 May 740-750 10.0 9.90 99 Laminated sand and silt Choptank
130 29 May 750-760 10.0 10.20 102 Laminated sand and silt Choptank
131 29 May 760-770 10.0 9.75 98 Laminated sand and silt/very fine sand Choptank
132 29 May 770-776.5 6.5 6.30 97 Shelly sand Choptank
133 29 May 776.5-780 3.5 2.60 74 Shelly sand with hard zones Choptank
134 30 May 780-790 10.0 7.90 79 Medium-fine sand; hard zone; gravelly, slightly shelly sand Choptank
135 30 May 790-792 2.0 1.70 85 Medium-fine sand; hard zone Choptank
136 30 May 792-792.5 0.5 0.50 100 Indurated; sandy molluscan packstone Choptank
137 30 May 792.5-800 7.5 3.60 48 Sandy molluscan packstone/fine sand Choptank
138 30 May 800-805 5.0 4.55 91 Fine-medium well-sorted sand Choptank
139 30 May 805-807 2.0 0.20 10 Sandstone Choptank
140 30 May 807-810 3.0 1.10 37 Sandstone and fine sands Choptank
141 30 May 810-819 9.0 4.80 53 Sandstone and fine sands Choptank
142 31 May 819-829.3 10.3 6.10 60 Sandstone and clayey sandy silt; 819.9-ft contact Choptank/Calvert
143 31 May 829.25-839.5 10.3 8.70 85 Sandy silt scattered shell fragments Calvert
144 31 May 839.5-849.75 10.3 10.36 101 Clayey sandy silt Calvert
145 31 May 849.75-851.75 2.0 2.00 100 Sandy silt; indurated zone at base Calvert
146 31 May 851.75-860 8.3 8.40 102 Sandy clayey silt; indurated at top Calvert
147 31 May 860-870 10.0 10.00 100 Very fine sandy silt; slightly micaceous; rare shell fragments and foraminifers Calvert
148 31 May 870-880 10.0 10.17 102 Very slightly sandy silt; bioturbated; rare shell fragments; faint layering Calvert
149 1 Jun 880-889 9.0 8.70 97 Silt to sandy silt; rare shells; shell concentration at base; bioturbated throughout Calvert
150 1 Jun 889-899 10.0 9.75 98 Shelly fine to medium sand Calvert
151 1 Jun 899-900 1.0 1.20 120 Medium to coarse massive quartz sand, shell fragments Calvert
152 1 Jun 900-910 10.0 5.85 59 0-0.8 ft = medium quartz sand; 0.8-2.45 ft = interlayered sand and calcite-cemented sand; 2.45-5.85 ft = medium quartz sand Calvert
153 1 Jun 910-911.35 1.4 0.85 63 Medium quartz sand with shell fragments; calcite-cemented sand at base Calvert
154 1 Jun 911.35-920 8.6 2.65 31 Calcite-cemented medium quartz sand with shell fragments Calvert
155 2 Jun 920-930 10.0 7.50 75 0-6.6 ft = medium quartz sand with abundant shells and fragments with calcite-cemented intervals (2.2, 2.4-3, and parts of 4.1-6.6 ft); 6.6-7.5 ft = laminated clay/silt with sand and clay burrows Calvert
156 2 Jun 930-940 10.0 2.40 24 0-1.65 ft = silty sand with shells; 1.65-1.9 ft = silty sand; 1.9-2.4 ft = calcite-cemented sand Calvert
157 2 Jun 940-945 5.0 4.50 90 0-0.65 ft = clayey medium quartz sand; 0.5-0.9 ft = clay-infilled burrow (20 mm wide); 0.65-3.3 ft = clayey to silty shelly quartz sand with phosphate; 3.3-ft contact; 3.3-4.5 ft = clayey to silty quartz sand with shell horizons Calvert
158 2 Jun 945-953.5 8.5 7.60 89 0-0.3 ft = calcite-cement SS; 0.3-0.6 ft = silty clayey sand; 0.6-1.9 ft = fine-medium sand with shells, etc.; 1.9-5.53 ft = interbedded laminated silt, sandy silt, cross-laminated silt, sand; 5.53-7.6 ft = silty sand, coarsening upward, no bedding, shelly intervals Calvert
159 2 Jun 953.5-960 6.5 4.95 76 0-1.4 ft = sand to clayey sand with shell hash at 0.5-0.65 ft; 1.4-2.75 ft = cemented shell hash/sandstone; 2.75-4.95 ft = calcareous silty sand with shell fragments at 3.7-3.9 ft Calvert
160 2 Jun 960-970 10.0 9.80 98 0-4.4 ft = very sandy clayey silt, cross-laminated to 2.3 ft; 4.4-4.7 ft = silt; 5.5-5.7 ft grades to sand silt; 5.7-9.8 ft = bioturbated silt and sandy silt Calvert
161 2 Jun 970-980 10.0 7.40 74 0-7.4 ft = very fine to fine sand, clayey and silty to 1.1 ft, silty below; a few laminations Calvert
162 3 Jun 980-982 2.0 1.50 75 0-1.3 ft = slightly silty fine to medium sand with shells; 1.3-1.5 ft = calcite-cemented sandstone with shells Calvert
163 3 Jun 982-990 8.0 6.40 80 0-0.5, 1.6-3, and 4.6-5.85 ft = calcite-cemented sandstone with shells; 0.5-1.6 and 5.85-6.4 ft = silty sand with shells and fragments; 3-4.6 ft = shelly sand with interbedded silt Calvert
164 3 Jun 990-1000 10.0 6.55 66 0-1.55, 2.5-3.9, 4.8-6.2, and 6.2-6.55 ft = shelly silty sand; 1.55-2.5 and 3.9-4.8 ft = calcite-cemented sand with shell layers Calvert
165 3 Jun 1000-1010 10.0 7.40 74 0-1.2 ft = interbedded silt sand and laminated silt; 1.2-7.4 ft = silty sand with zones of increased silt contact and faint laminae Calvert
166 3 Jun 1010-1020 10.0 9.80 98 0-2.4 and 7-9.8 ft = sand, occasionally silty, scattered shells; 2.4-7 ft = siltier sands in places, laminae more pronounced; 7.9-8 ft = shell hash laminae Calvert
167 3 Jun 1020-1030 10.0 9.05 91 Fine well-sorted sand, slightly silty, scattered shell fragments, siltier intervals show laminae, a few burrows Calvert
168 3 Jun 1030-1040 10.0 8.10 81 0-5.1 ft = fine quartz sand, slightly silty, rare shell fragments, scattered laminae/cross-laminae; 5.1-8.5 ft = sand interlaminated with silt and very fine sand, cross-laminations and ripples, sand content increases downcore Calvert
169 4 Jun 1040-1047.5 7.5 7.20 96 Slightly silty well-sorted fine sand, laminated to thinly bedded, scattered shells throughout, shells concentrated and more homogeneous sediment (less laminated) below 6.4 ft Calvert
170 4 Jun 1047.5-1055 7.5 7.95 106 0-3.35 ft = laminated silt and very fine sand, scattered shells and burrows; 3.35-5.1 ft = very fine/fine silty sand, shells, bioturbated; 5.1-7 ft = burrowed silt, very slightly clayey; 7-7.95 ft = clayey Calvert
171 4 Jun 1055-1057 2.0 1.35 68 Silty very fine sand, burrows, very fine laminae Calvert
172 4 Jun 1057-1060 3.0 3.70 123 0-0.8 ft = calcite-cemented sandstone with green conchoidal fracture, very fine, burrowed; 0.8-3.7 ft = sand, interlaminated fine and very fine, both silty, lamination often obscured by bioturbation Calvert
173 4 Jun 1060-1070 10.0 5.25 53 Silty very fine sand, laminae/cross-laminae, scattered shell fragments, below 2.8 ft laminae are disturbed by burrowing Calvert
174 4 Jun 1070-1077 7.0 6.70 96 Very silty very fine sand, bioturbated, faint laminae throughout Calvert
175 12 Jun 1077-1080 3.0 2.90 97 Laminated (fine) sandy clayey silt; occasional rare small (<1 cm) shell fragments Calvert
176 12 Jun 1080-1090 10.0 10.00 100 Laminated fine sandy clayey silt; small shell fragments increase downsection Calvert
177 12 Jun 1090-1100 10.0 10.30 103 Laminated fine sandy clayey silt; small shell fragments, sand size shell fragments common Calvert
178 12 Jun 1100-1110 10.0 10.50 105 Laminated fine sandy clayey silt; becoming silty fine sand in lower foot Calvert
179 13 Jun 1110-1120 10.0 10.45 105 Silty fine sand fines downcore to a sandy clayey silt by 2.5 ft Calvert
180 13 Jun 1120-1130 10.0 10.30 103 Sandy silt, rare small thin shell fragments, large foraminifers visible Calvert
181 13 Jun 1130-1140 10.0 10.55 106 Sandy silt, sandier and shellier in the upper 3.5 ft, clay increases in the lower 2 ft Calvert
182 13 Jun 1140-1150 10.0 10.60 106 Dark gray laminated silt with clay; trace shell fragments Calvert
183 13 Jun 1150-1153.5 3.5 2.55 73 Dark gray laminated silt with clay; trace shell fragments; over glauconitic quartz. Sand with silt; sequence boundary at 1154 ft Calvert
184 13 Jun 1153.5-1160 6.5 2.85 44 Medium to coarse quartz sand with thick shell fragments Calvert
185 14 Jun 1160-1165 5.0 0.15 3 Medium-coarse quartz sand Calvert
186 14 Jun 1165-1170 5.0 4.65 93 Coarse quartz sand Calvert
187 14 Jun 1170-1175 5.0 2.25 45 Fine-coarse quartz silty sand Calvert
188 14 Jun 1175-1180 5.0 4.50 90 Fine-coarse quartz silty sand Calvert
189 14 Jun 1180-1190 10.0 7.50 75 Fine-coarse quartz silty sand Calvert
190 15 Jun 1190-1200 10.0 0.00 0

191 15 Jun 1200-1201 1.0 4.30 430 Fine-coarse quartz silty sand Calvert
192 15 Jun 1201-1210 9.0 0.00 0

193 15 Jun 1210-1220 10.0 7.90 79 Very muddy/silty sand, scattered shells Calvert
194 15 Jun 1220-1230 10.0 10.45 105 Very muddy/silty sand, shelly; silt Calvert
195 15 Jun 1230-1237.5 7.5 7.60 101 Slightly sandy silt, shelly Calvert
196 16 Jun 1237.5-1240 2.5 2.50 100 Indurated, sandy silt; slightly sandy, clayey silt Calvert
197 16 Jun 1240-1250 10.0 10.20 102 Sandy silt Calvert
198 16 Jun 1250-1260 10.0 9.70 97 Sandy silt Calvert
199 16 Jun 1260-1270 10.0 10.30 103 Sandy silt Calvert
200 16 Jun 1270-1280 10.0 9.40 94 Sandy silt Calvert
201 16 Jun 1280-1290 10.0 10.50 105 Sandy silt, with few sand stringers Calvert
202 17 Jun 1290-1300 10.0 10.40 104 Sandy or clayey silt; shell bed Calvert
203 17 Jun 1300-1310 10.0 10.55 106 Silt, shelly Calvert
204 17 Jun 1310-1320 10.0 8.90 89 Silt; phosphatic shelly silt; cemented sand; silt Calvert
205 17 Jun 1320-1320.3 0.3 0.30 100 Sandy silt with glauconite sand-filled burrows Calvert
206 17 Jun 1320.3-1330 9.7 5.60 58 Siltstone; silt, slightly glauconitic Calvert
207 18 Jun 1330-1340 10.0 10.05 101 Clayey silt, slightly glauconitic Calvert
208 18 Jun 1340-1350 10.0 10.25 103 Sandy silt becoming silty sand, slightly glauconitic Calvert
209 18 Jun 1350-1360 10.0 10.45 105 Silty sand, slightly glauconitic Calvert
210 18 Jun 1360-1370 10.0 10.10 101 Silty sand/sandy silt, slightly glauconitic, thinly laminated Calvert
211 18 Jun 1370-1380 10.0 10.50 105 Silty sand/sandy silt, slightly glauconitic, thinly laminated Calvert
212 18 Jun 1380-1390 10.0 10.40 104 Slightly sandy silt, slightly glauconitic, thinly laminated Calvert
213 19 Jun 1390-1400 10.0 10.55 106 Slightly sandy silt, slightly glauconitic, thinly laminated Calvert
214 19 Jun 1400-1410 10.0 10.45 105 Slightly sandy silt, slightly glauconitic, thinly laminated Calvert
215 19 Jun 1410-1420 10.0 9.90 99 Silt, slightly glauconitic, thinly laminated, burrowed Calvert
216 19 Jun 1420-1429 9.0 8.30 92 Glauconitic silt; 1420-ft contact; clay Calvert/ Unnamed
217 19 Jun 1429-1437 8.0 7.30 91 Glauconitic silt; contact zone = 1430.6-1431.35 ft; sequence boundary at 1430.5 ft; silty clay Unnamed
218 20 Jun 1437-1440 3.0 0.00 0
Unnamed
219 20 Jun 1445-1450 5.0 3.75 75 Silty clay Unnamed
220 20 Jun 1445-1450 5.0 6.50 130 Silty clay/clayey silt Unnamed
221 20 Jun 1450-1454 4.0 3.45 86 Glauconitic clay/clayey glauconite sand Unnamed
222 20 Jun 1454-1460 6.0 6.20 103 Glauconite sand; sequence boundary at 1454.5 ft; glauconitic clay; glauconitic sand Unnamed
223 20 Jun 1460-1470 10.0 7.95 80 Clay glauconite sand; sequence boundary at 1465.7 ft; foraminiferal clay Unnamed
Bethany Beach coring totals: 1465.0 1166.5 79.6