Table 1. Core descriptions, Cape May borehole, Leg 150X.

Core
no.
Interval
(ft)
Recovery (%)
(ft)
DescriptionColorFormation
10-53.0 (60%)Organic-rich mud, medium to coarse quartz sand2.5Y 5/3, light olive brownRecent (1940s) fill
25-100.9 (18%)Medium quartz sand5Y 4/1, dark grayCape May Formation (Holocene)
310-15.73.7 (67.3%)Clayey fine to medium sand, H2S odor5Y4/1-2.5Y 5/2, dark gray
415.7-204.4 (102.4%)Clayey fine to medium sand, H2S odor2.5Y 5/2, grayish brownCape May Formation (?Pleistocene-Holocene)
520-253.5 (70%)Clayey fine to medium sand, H2S odor5GY 5/1, greenish gray
625-300.3 (6%)Clayey medium sand, H2S odor5GY 5/1, greenish gray
730-354.5 (90%)Sandy clay at top; strong H2S odor, abundant decayed plants, shell fragments at 30.9; gravel sand5GY 4/1, dark greenish gray
Lithologic contact at 33.5 ft
Dark gray clay5GY 4/1, dark greenish gray?Cape May Formation (lower Pleistocene)
835-403.7 (74%)Dark gray clay and pebbly sandN4, dark gray
940-454.8 (96%)Silty clay with clayey sand lamination; strong H2S odorN4, dark gray
1045-503.8 (76%)Clay at top and bottom, sand and gravel in betweenN4, 5Y 5/1, gray
1150-554.4 (88%)Dark gray clay with little siltN4, dark gray
1255-603.35 (67%)Massive micaceous sandy clay5GY 4/1, dark greenish gray
1360-654.7 (94%)Fine to very fine sand, silt, slightly micaceous5GY 4/1, dark greenish gray
1465-702.3 (46%)Silty/sandy clay5GY 4/1, dark greenish gray
1570-755.3 (106%)Laminated micaceous silty clay and clayey sand5GY 5/1, greenish gray
Lithologic contact at 75 ft
1675-802.35 (47%)Massive medium clayey sand5GY 4/1, dark greenish gray?Cape May Formation
1780-833.7 (123%)Massive medium quartz sand with shell fragments5GY 4/1, dark greenish gray
1883-852.8 (140%)Medium sand with shell bed5GY 4/1, dark greenish gray
1985-902.0 (40%)Medium quartz sand5GY 4/1, dark greenish gray
Lithologic contact at 90 ft
2090-955.0 (100%)Greenish gray clay5GY 4/1, dark greenish gray?Cape May Formation
2195-1004.7 (94%)Greenish gray clay5GY 4/1, dark greenish gray
22100-1054.8 (96%)Greenish gray clay5GY 4/1, dark greenish gray
23105-1104.7 (94%)Greenish gray clay and silt with shells5GY 4/1, dark greenish gray
24110-1155.4 (108%)Laminated greenish gray clay5GY 4/1, dark greenish gray
25115-1205.0 (100%)Laminated greenish gray clay5GY 4/1, dark greenish gray
26120-1255.4 (108%)Micaceous, laminated greenish gray clay5GY 4/1, dark greenish gray
27125-1305.0 (100%)Laminated greenish gray clay with sand laminae5GY 4/1, dark greenish gray
28130-1354.0 (80%)Laminated greenish gray clay with thin sand beds above5GY 4/1, dark greenish gray
133; gravels grading to medium quartz sand below 1335GY 6/1, greenish gray
29135-1404.4 (88%)Organic-rich sandy clay at top and bottom, medium to fine sand in between, gravels at base5GY 4/1-N5, dark greenish gray
Lithologic contact at 140 ft
30140-1452.7 (50%)Medium to fine quartz sandN5-6, grayUnnamed sands and clays (?Pliocene)
31145-1472.0 (100%)Medium to fine quartz sandN5-6, gray
32147-1502.7 (90%)Medium to fine quartz sand with rare pebblesN5-6, gray
33150-1552.3 (46%)Medium to fine quartz sandN3-4, dark-very dark gray
34155-1602.4 (48%)Organic-rich, medium to coarse quartz sandN5-6, gray
35160-1654.7 (94%)Organic-rich uniform medium sand with ligniteN3-2.5, very dark gray-black
36165-1702.3 (33%)Organic-rich uniform medium sand with ligniteN3-2.5, very dark gray-black
37170-1754.1 (82%)Organic-rich uniform medium sandN2.5-10R 2.5, black/reddish black
38175-1803.0 (60%)Organic-rich uniform medium sandN2.5-10R 2.5, black/reddish blackUnnamed sands and clays (?Pliocene)
39180-1853.4 (68%)Medium to coarse quartz sand, clayey sand10R 2.5/1-2.5Y 4/1, reddish black/dark gray
40185-1900.4 (8%)Medium to coarse quartz sand, clayey sand2.5Y 4/1, dark gray
41190-1955.0 (100%)Uniform medium clayey sand2.5Y 3/1-2.5/1, very dark gray
42195-2004.5 (90%)Medium to coarse clayey sand2.5Y 4/1, dark gray
43200-2055.0 (100%)Medium clayey sand with pebbles2.5Y 4/1, dark gray
44205-2104.0 (80%)Medium to coarse clayey sand, grading to a sandy clay2.5Y 4/1, dark gray
45210-2154.9 (98%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
46215-2204.9 (98%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
47220-2255.0 (100%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
48225-2303.5 (70%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
49230-2355.1 (102%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
50235-2404.7 (94%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
51240-2455.1 (102%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
52245-2502.0 (40%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
53250-2555.0 (100%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
54255-2604.9 (98%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
55260-2655.2 (104%)Uniform, micaceous, fine to very fine clayey sand2.5Y 4/1, dark gray
56265-2705.4 (108%)Micaceous fine to medium clayey sand with pebbles2.5Y 4/1, dark gray
57270-2754.8 (96%)Gravel or pebbly subangular, coarse, quartz sand2.5Y 4/1, dark gray
58275-2803.4 (68%)Fine sand with pebblesN6/, gray
59280-2850.0 (0%)No recovery
60285-2861.3 (130%)Medium sand5Y 6/1, gray
61286-2904.0 (100%)Medium and very coarse sand5Y 4/1, dark gray
62290-2955.0 (100%)Coarse to very coarse sand5Y 4/1, dark gray
63295-3000.3 (6%)Coarse to very coarse sand5YR 3/1, very dark gray
64300-3054.2 (84%)Coarse to very coarse sand with pebblesN5/, gray
65305-3104.6 (92%)Medium sand with lignite and pebble layersN5/, gray
66310-3121.7 (85%)Medium to very coarse sandN5/, gray
67312-3152.5 (83.3%)Medium sand with pebblesN5/, gray
68315-3204.0 (80%)Medium to coarse sandN5/, grayUnnamed sand-clay (?Pliocene)
69320-322.54.8 (192%)Coarse quartz sand and pebbly sand5Y 5/1, gray
70322.5-3252.7 (108%)Laminated silty sandy clay and clayey silty2.5Y 3/1, very dark gray
71325-3304.1 (82%)Laminated silty sandy clay and clayey silt with peat2.5Y 3/1, very dark gray
72330-3350.2 (4%)Laminated sandy clay2.5Y 3/1, very dark gray
73335-3401.7 (34%)Dark brown clay with fine to medium sand laminations5Y 4/1, dark gray
74340-3422.1 (105%)Laminated silty sandy clay and clayey silt with peat5Y4/1, dark gray
75342-3453.9 (130%)Laminated silty clay with sandy clay with peat5GY 4/1, dark greenish gray; 2.5Y 3/1, very dark gray
76345-3504.9 (98%)Laminated silty clay with sandy clay with peat5GY 4/1, dark greenish gray
77350-3555.1 (102%)Laminated clay5GY 4/1, dark greenish gray
78355-3603.8 (76%)Laminated clay, silt and fine sand, micaceous5Y 4/1, dark gray
Lithologic contact at 356.9 ft
79360-3672.3 (32.9%)Homogeneous medium quartz sand, shells common5Y 6/1, grayKirkwood-Cohansey (upper middle Miocene)
80367-3706.7 (223%)Homogeneous medium quartz sand, shells common5Y 6/1, gray
81360-365Hole collapsed, started over at 360 ft
82370-3800.9 (9%)Pebbles and pebbly quartz sand with weathered shells5Y 5/1, gray
83380-3909.6 (96%)Fine to medium quartz sand with silty clay laminations5Y 5/1, gray
84390-393.53.1 (91.3%)Medium-coarse clayey sand, shells common5Y 5/1, gray
85393.5-4003.2 (49.3%)393.5-395.3: Medium to coarse clayey sand5Y 5/1, gray
395.3-396.7: Clay5GY 4/1, dark greenish gray
86400-41010.3 (103%)Laminated silty clay and clayey silt5GY 4/1, dark greenish gray
87410-4209.5 (95%)Laminated silty clay and clayey silt with shells and pebbles5GY 4/1, dark greenish gray
88420-4221.5 (75%)Fine to medium sand with shells5GY 4/1, dark greenish gray
Lithologic contact at 422 ft
89422-4305.3 (75.9%)Fine to medium sand with shells5GY 4/1, dark greenish gray
90430-4408.9 (89%)Fine, medium to coarse pebble sand with shellsN5-6/, gray
Lithologic contact at 432.2 ft
91440-4509.2 (92%)Fine clayey sandwith clay laminae5B 4/1, dark bluish grayKirkwood 3 (lower middle Miocene)
92450-4603.0 (30%)Fine to medium clayey sand5B 4/1, dark bluish gray
93460-4632.7 (90%)Fine to medium clayey sand and sandy clay, indurated bedN3-4/, dark gray
94463-469.55.0 (79%)Firm, uniform sandy clay and silt green gray; 5Y4/1, dark grayN3-5GY 4/1, very-dark gray
95469.5-479.56.4 (64%)Firm sandy clay and siltN3-5GY 4/1, very dark gray-green gray; 5Y4/1, dark gray
96479.5-4856.2 (112%)Firm brownish micaceous clay and silt5Y 4/1, dark gray
97485-4905.7 (114%)Very firm micaceous clay and silt5GY 4/1, dark greenish gray
98490-5008.3 (83%)Laminated firm silty clay and silt5GY 4/1, dark greenish gray
99500-5108.0 (80%)500-502.9: Laminated firm silty clay5GY 4/1, dark greenish gray
Lithologic contact 502.9 ft
502.9-508: Medium clayey sand, indurated5GY 4/1, dark greenish grayUnnamed Kirkwood (middle middle Miocene)
100510-5206.25 (62.5%)Medium clayey sand with shells5YR 3/1, very dark gray
101520-5309.8 (98%)Medium clayey sand with shells5YR 3/1, very dark gray
102530-5408.4 (84%)Fine to medium clayey sand, change to clean sand at 535.85YR 3/1, very dark gray
103540-5509.7 (97%)Uniform fine to medium clayey sand5GY 5/1, greenish gray
104550-5604.5 (45%)Uniform fine to medium clayey sand5GY 4/1, dark greenish gray
105560-5703.0 (30%)Uniform fine to medium clayey sand5GY 4/1, dark greenish gray
106570-5807.6 (76%)Uniform fine to medium clayey sand in upper 5; silty clay below 575.7 and with shells5GY 4/1, dark greenish gray, 10YR 6/1, gray
Lithologic contact 575.7 ft
107580-5904.4 (44%)Indurated clayey sand and broken shellsN 6-5/, grayKirkwood 2b (lower middle Miocene)
108590-6000.0 (0%)No recovery, perhaps shell hash
109600-6100.3 (3%)Shell hash in clayey sand matrix5GY 4/1, dark greenish gray
110610-613.50.5 (14.3%)Shell hash in clayey sand matrix5GY 4/1, dark greenish gray
111613.5-617.50.5 (12.5%)Shell hash in clayey sand matrix5GY 4/1, dark greenish gray
Lithologic contact 617.5 ft
112617.5-618.51.1 (110%) Clayey fine to medium sandN 5-3/1, gray (lower Miocene)
113618.5-628.58.9 (89%)Uniform fine sand with brown clay laminationsN 5/1, gray
114628.5-638.810.2 (99%)Laminated firm clay with loose fine to medium sand, organic richN 5/1-2.5Y 3/2, gray
115638.8-64910.7 (105%)Fine to medium sand and brown clay laminationsN5/-2.5Y 3/2, grayKirkwood 2a (lower Miocene)
116649-6599.5 (95%)Interbedded firm silty clay and fine sandN5/-2.5Y 3/2, gray
117659-6697.15 (71.5%)Interbedded firm silty clay and fine sand and silty sandN5/, gray
118669-6799.3 (93%)Silty to sandy clay changes to clayey coarse sand with broken shellsN3/, very dark gray
Lithologic contact 680 ft
119680-6810.5 (50%)Indurated sandy clayN3/, very dark gray
120681-6906.6 (66%)Indurated medium to coarse sand with shells, changes to silty clay below 685 ftN4/- 5GY 4/1, dark gray-dark greenish gray
121690-7007.9 (79%)Firm brownish clayN3/-2.5Y 3/1, very dark gray
122700-7106.4 (64%)Firm brownish clay with broken shells2.5Y 4/1, dark gray
Lithologic contact 710 ft
123710-710.10.1 (100%)2.5Y 4/1, very dark grayUnnamed Kirkwood (lower Miocene)
124710.1-720.15.5 (55%)Consolidated shelly gravel and pebble bed and changes to clayey pebbly coarse sand below 710.9 ft2.5Y 4/1, dark gray
125720.1-7301.0 (10%)Consolidated clayey pebbly coarse sand2.5Y 4/1, dark grayUnnamed Kirkwood (lower Miocene)
126720-730Rerun, no recovery
127730-7400.6 (6%)Shell hash in pebbly coarse sand2.5Y 3/1, very dark gray
128740-7491.5 (16.7%)Coarse sand and clay with broken shellsN4/, dark gray
129749-7604.7 (42.7%)Consolidated coarse sand with broken shellsN5/, gray
130760-7705.0 (50%)Shell bed, medium sand and sandy clay5Y 4/1, dark gray
Lithologic contact 762 ft
131770-7806.9 (69%)Medium clayey sand and sandy clay2.5Y 4/1, dark gray
132780-7907.3 (73%)Pebbly coarse clayey sandN5-6/, gray
133790-7911.3 (130%)Clayey medium sandN5-6/, gray
134791-8001.4 (85%)Medium to coarse clayey sandN5-6/, gray
135800-8107.3 (73%)Poorly sorted clean quartz sand with lignite interbedded with clayey sandN5-6/, gray
136810-8202.5 (25%)Fine to medium sand with shellsN4/, dark gray
137820-8303.2 (2%)Fine to medium sand with shellsN4/, dark gray
138830-8409.3 (93%)Clayey sand with broken shells10YR 3/1
139840-8507.0 (70%)Silty clay with thin shells10YR 3/2, very dark grayish brown
Lithologic contact 850 ft
140850-8604.3 (43%)Fine to medium clayey sand2.5Y 5/1, grayKirkwood 1b (lower Miocene)
141860-8709.8 (98%)Medium to coarse clayey sand with shellsN4/, dark gray
142870-8809.0 (90%)Medium to coarse clayey sand with shellsN4/, dark gray
143880-8909.7 (97%)Fine, medium, or coarse clayey sand with shells5GY 4/1, dark greenish gray
144890-9008.5 (85%)Fine, medium, or coarse clayey sand with shells5GY 4/1, dark greenish gray
145900-9107.8 (78%)Fine, medium, or coarse clayey sand with shellsN3/, very dark gray
146910-9207.6 (76%)Fine, medium, and coarse clayey sand, with silty clay at baseN3/, very dark gray
147920-9307.9 (79%)Laminated silty clay and clayey sand with shellsN3/, very dark gray
148930-9407.9 (79%)Laminated silty clay and clayey sand with shellsN3/, very dark gray
149940-95010.0 (100%)Laminated silty clay and clayey sandN3/, very dark gray
Lithologic contact 942 ft
150950-9607.4 (74%)Gray uniform fine sand and laminated silty clay and clayey sand, burrowedKirkwood 1a (lower Miocene)
5Y 3/1, very dark gray
151960-9707.7 (77%)Laminated firm silty clay and clayey fine sand2.5Y 5/1, gray
152970-9809.5 (95%)Laminated firm silty clay and clayey fine sand5Y 3/1, very dark gray
153980-9909.7 (97%)Laminated firm clay and clayey silt5YR 3/1, very dark gray
154990-10008.3 (83%)Laminated firm clay and clayey silt5YR 3/1, very dark gray
1551000-10052.1 (42%)Laminated firm clay and clayey silt5YR 3/1, very dark gray
1561005-10100.0 (0%)No recovery
1571010-102010.3 (103%)Very dark firm clay with shells above 1012.8 ft; laminated and bioturbated firm clay with shells and one sand layer at 1017.2 ft5Y 3/1, very dark gray
5GY 4/1, dark greenish gray
1581020-10309.2 (92%)Bioturbated firm clay with shells5Y 3/1, very dark gray
1591030-10354.9 (98%)Burrowed glauconitic silty clay5Y 3/1, very dark gray
1601035-10403.5 (35%)Burrowed glauconitic silty clay5Y 3/1, very dark gray
1611040-105010.3 (103%)Burrowed glauconitic silty clay5Y 3/1, very dark gray
1621050-10609.3 (93%)Burrowed glauconitic silty clay above 1056.8 ft; burrowed glauconitic sandy clay grades down to glauconite sand5Y 3/1, very dark gray, N2.5/, black
1631060-10654.9 (98%)Consolidated glauconite sand with shells5G 5/2, grayish green
Lithologic contact 1062 ft
1641065-10703.7 (74%)Dark hard shell hash and clayey glauconite coarse sandN3/-5G 4/1, dark greenish grayKirkwood equivalent, (Kw0) glauconite sand, and clay
1651070-10777.0 (100%)Dark hard shell hash and clayey glauconite coarse sandN3/-5G 4/1, dark greenish gray
1661077-10800.0 (0%)No recovery
1671080-109010.5 (105%)Firm, coarse glauconite to quartz clayey sand with shellsN3/, very dark gray
1681090-11009.8 (98%)Bioturbated, firm, coarse glauconite to quartz clayey sandN3/, very dark gray
1691100-11107.0 (70%)Pebbly coarse-grained glauconite sand with shellsN3/, very dark gray
1701110-11206.8 (68%)Pebbly coarse-grained glauconite sand with shellsN3/, very dark gray
1711120-11306.7 (67%)Pebbly coarse-grained glauconite sand with shellsN3/, very dark gray
1721130-11354.5 (90%)Pebbly coarse-grained glauconite sand with shellsN3/, very dark gray
1731135-11382.4 (80%)Coarse, hard glauconite to quartz sandN3/, very dark gray
1741138-11400.0 (0%)No recovery
1751140-11507.0 (70%)Medium to coarse firm clayey glauconite sand with shellsN3/, very dark gray
1761150-116010.0 (100%)Medium to coarse firm clayey glauconite sand with shellsN3/, very dark gray
1771160-11685.5 (68.8%)Medium to coarse firm clayey glauconite sand with shellsN3/, very dark gray
1781168-11700.0 (0%)
1791170-11801.0 (10%)Medium to coarse firm clayey glauconite sand with shells5GY 4/1, dark greenish gray
1801180-11844.0 (100%)Medium to coarse firm clayey glauconite sand with shells5GY 4/1, dark greenish gray
Lithologic contact at 1180 ft
1811184-11905.0 (83%)Medium to fine clayey quartzose glauconitic sand5GY 4/1, dark greenish grayUnnamed upper Oligocene
1821190-12007.3 (73%)Medium to fine clayey quartzose glauconitic sand5GY 4/1, dark greenish gray
1831200-121010.1 (101%)Medium to fine clayey quartzose glauconitic sand5GY 4/1, dark greenish gray
Lithologic contact at 1210 ft
1841210-122010.2 (102%)Very coarse to coarse quartz sand at top and fine to medium clayey sand below5G 4/2, grayish green
1851220-12303.9 (39%)Very coarse to coarse quartz sand with shells5GY 4/1, dark greenish gray
1861230-12404.8 (48%)Very coarse to coarse to medium quartzose glauconite sand, sandy clay and clayey sand5GY 4/1, dark greenish gray
187-1881240-12509.2 (92%)Fine to coarse shelly quartzose glauconite sand above 1248.55GY 4/1, dark greenish gray
Lithologic contact 1248.5 ft
Indurated and laminated clayey glauconite sand and sandy clay5Y 5/1, grayUnnamed upper Oligocene
1891250-12607.8 (78%)Indurated and laminated clayey glauconite sand and sandy clay5Y 3/2, dark olive gray
1901260-12708.5 (84%)Shelly, burrowed silty clay and clayey glauconite sand5Y 3/2-4/2, olive gray
Lithologic contact 1270 ft
1911270-128010.1 (101%)Slightly glauconitic sandy to silty clay5Y 3/2-5/2, olive grayUnnamed lower Oligocene
1921280-12908.2 (82%)Laminated glauconitic sandy to silty clay5GY 4/1, dark greenish gray
1931290-130010.4 (104%)Laminated glauconitic sandy to silty clay5Y 3/2, olive gray
Lithologic contact 1300 ft
1941300-13109.1 (91%)Glauconitic silt and sandy to silty clay2.5Y 3/3, dark olive gray
1951310-1316.35.6 (89%)Burrowed, clayey glauconitic fine sand2.5Y 3/2, very dark grayish brown
1961316.3-13203.7 (100%)Clayey glauconitic fine sand2.5Y 3/2, very dark grayish brown
1971320-13308.7 (87%)Clayey glauconitic fine sand2.5Y 3/2, very dark grayish brown
1981330-13402.6(26%)Clayey glauconitic fine sand2.5Y 3/2, very dark grayish brown
1991340-1340.50.5 (100%)Clayey glauconitic fine sand to silty clayN/3, very dark gray
2001340.5-13509.0 (95%)Clayey glauconitic fine sand to silty clay with pyrite nodulesN/3, very dark gray
2011350-13604.5 (45%)Clayey glauconitic fine sand to silty clay with pyrite nodules above 1350.8 ft2.5Y 4/1, dark gray
Lithologic contact 1350.8 ft
Burrowed and laminated brownish firm clay between 1350.8 and 1352 mbsf; firm glauconitic silty clay between 1352 and 1352.5 mbsf, shell bed in brown clay matrix below 1352.5N/3, very dark gray, 2.5Y 3/1, very dark grayUnnamed lower Oligocene
Lithologic contact 1360 ft
2021360-137010.5 (105%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark grayACGS alpha Unit upper Eocene
2031370-13807.1 (71%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2041380-139010.3 (103%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2051390-140010.2 (102%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2061400-14108.0 (80%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2071410-141910.0 (111%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2081419-143010.4 (95%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2091430-144010.4 (104%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2101440-1450.510.4 (99%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2111450.5-14609.45 (98%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2121460-147010.3 (103%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2131470-14809.7 (9.7%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2141480-149010.0 (100%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
2151490-15005.85 (58.5%)Laminated firm silty clay with visible microfossils5Y 3/1-4/1, dark gray
Notes: Total depth = 1500 ft, mean recovery = 75%, median recovery = 85%.
Table 1. Core descriptions, Cape May borehole, Leg 150X. Part 1: from 0 ft to lithologic contact at 140 ft.
Core
no.
Interval
(ft)
Recovery (%)
(ft)
Description Color Formation
           
1 0-5 3.0 (60%) Organic-rich mud, medium to coarse quartz sand 2.5Y 5/3, light olive brown Recent (1940s) fill
2 5-10 0.9 (18%) Medium quartz sand 5Y 4/1, dark gray Cape May Formation (Holocene)
3 10-15.7 3.7 (67.3%) Clayey fine to medium sand, H2S odor 5Y4/1-2.5Y 5/2, dark gray
4 15.7-20 4.4 (102.4%) Clayey fine to medium sand, H2S odor 2.5Y 5/2, grayish brown Cape May Formation (?Pleistocene-Holocene)
5 20-25 3.5 (70%) Clayey fine to medium sand, H2S odor 5GY 5/1, greenish gray
6 25-30 0.3 (6%) Clayey medium sand, H2S odor 5GY 5/1, greenish gray
7 30-35 4.5 (90%) Sandy clay at top; strong H2S odor, abundant decayed plants, shell fragments at 30.9; gravel sand 5GY 4/1, dark greenish gray
Lithologic contact at 33.5 ft
      Dark gray clay 5GY 4/1, dark greenish gray ?Cape May Formation (lower Pleistocene)
8 35-40 3.7 (74%) Dark gray clay and pebbly sand N4, dark gray
9 40-45 4.8 (96%) Silty clay with clayey sand lamination; strong H2S odor N4, dark gray
10 45-50 3.8 (76%) Clay at top and bottom, sand and gravel in between N4, 5Y 5/1, gray
11 50-55 4.4 (88%) Dark gray clay with little silt N4, dark gray
12 55-60 3.35 (67%) Massive micaceous sandy clay 5GY 4/1, dark greenish gray
13 60-65 4.7 (94%) Fine to very fine sand, silt, slightly micaceous 5GY 4/1, dark greenish gray
14 65-70 2.3 (46%) Silty/sandy clay 5GY 4/1, dark greenish gray
15 70-75 5.3 (106%) Laminated micaceous silty clay and clayey sand 5GY 5/1, greenish gray
Lithologic contact at 75 ft
16 75-80 2.35 (47%) Massive medium clayey sand 5GY 4/1, dark greenish gray ?Cape May Formation
17 80-83 3.7 (123%) Massive medium quartz sand with shell fragments 5GY 4/1, dark greenish gray  
18 83-85 2.8 (140%) Medium sand with shell bed 5GY 4/1, dark greenish gray  
19 85-90 2.0 (40%) Medium quartz sand 5GY 4/1, dark greenish gray  
Lithologic contact at 90 ft
20 90-95 5.0 (100%) Greenish gray clay 5GY 4/1, dark greenish gray ?Cape May Formation
21 95-100 4.7 (94%) Greenish gray clay 5GY 4/1, dark greenish gray  
22 100-105 4.8 (96%) Greenish gray clay 5GY 4/1, dark greenish gray  
23 105-110 4.7 (94%) Greenish gray clay and silt with shells 5GY 4/1, dark greenish gray  
24 110-115 5.4 (108%) Laminated greenish gray clay 5GY 4/1, dark greenish gray  
25 115-120 5.0 (100%) Laminated greenish gray clay 5GY 4/1, dark greenish gray  
26 120-125 5.4 (108%) Micaceous, laminated greenish gray clay 5GY 4/1, dark greenish gray  
27 125-130 5.0 (100%) Laminated greenish gray clay with sand laminae 5GY 4/1, dark greenish gray  
28 130-135 4.0 (80%) Laminated greenish gray clay with thin sand beds above 5GY 4/1, dark greenish gray  
      133; gravels grading to medium quartz sand below 133 5GY 6/1, greenish gray  
29 135-140 4.4 (88%) Organic-rich sandy clay at top and bottom, medium to fine sand in between, gravels at base 5GY 4/1-N5, dark greenish gray  
Notes: Total depth = 1500 ft, mean recovery = 75%, median recovery = 85%.
Table 1. Core descriptions, Cape May borehole, Leg 150X. Part 2: from lithologic contact at 140 ft to lithologic contact at 422 ft.
Core
no.
Interval
(ft)
Recovery (%)
(ft)
Description Color Formation
Lithologic contact at 140 ft
30 140-145 2.7 (50%) Medium to fine quartz sand N5-6, gray Unnamed sands and clays (?Pliocene)
31 145-147 2.0 (100%) Medium to fine quartz sand N5-6, gray
32 147-150 2.7 (90%) Medium to fine quartz sand with rare pebbles N5-6, gray
33 150-155 2.3 (46%) Medium to fine quartz sand N3-4, dark-very dark gray
34 155-160 2.4 (48%) Organic-rich, medium to coarse quartz sand N5-6, gray
35 160-165 4.7 (94%) Organic-rich uniform medium sand with lignite N3-2.5, very dark gray-black
36 165-170 2.3 (33%) Organic-rich uniform medium sand with lignite N3-2.5, very dark gray-black
37 170-175 4.1 (82%) Organic-rich uniform medium sand N2.5-10R 2.5, black/reddish black  
38 175-180 3.0 (60%) Organic-rich uniform medium sand N2.5-10R 2.5, black/reddish black Unnamed sands and clays (?Pliocene)
39 180-185 3.4 (68%) Medium to coarse quartz sand, clayey sand 10R 2.5/1-2.5Y 4/1, reddish black/dark gray
40 185-190 0.4 (8%) Medium to coarse quartz sand, clayey sand 2.5Y 4/1, dark gray
41 190-195 5.0 (100%) Uniform medium clayey sand 2.5Y 3/1-2.5/1, very dark gray
42 195-200 4.5 (90%) Medium to coarse clayey sand 2.5Y 4/1, dark gray
43 200-205 5.0 (100%) Medium clayey sand with pebbles 2.5Y 4/1, dark gray
44 205-210 4.0 (80%) Medium to coarse clayey sand, grading to a sandy clay 2.5Y 4/1, dark gray
45 210-215 4.9 (98%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
46 215-220 4.9 (98%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
47 220-225 5.0 (100%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
48 225-230 3.5 (70%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
49 230-235 5.1 (102%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
50 235-240 4.7 (94%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
51 240-245 5.1 (102%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
52 245-250 2.0 (40%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
53 250-255 5.0 (100%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
54 255-260 4.9 (98%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
55 260-265 5.2 (104%) Uniform, micaceous, fine to very fine clayey sand 2.5Y 4/1, dark gray
56 265-270 5.4 (108%) Micaceous fine to medium clayey sand with pebbles 2.5Y 4/1, dark gray
57 270-275 4.8 (96%) Gravel or pebbly subangular, coarse, quartz sand 2.5Y 4/1, dark gray
58 275-280 3.4 (68%) Fine sand with pebbles N6/, gray
59 280-285 0.0 (0%) No recovery  
60 285-286 1.3 (130%) Medium sand 5Y 6/1, gray
61 286-290 4.0 (100%) Medium and very coarse sand 5Y 4/1, dark gray
62 290-295 5.0 (100%) Coarse to very coarse sand 5Y 4/1, dark gray
63 295-300 0.3 (6%) Coarse to very coarse sand 5YR 3/1, very dark gray
64 300-305 4.2 (84%) Coarse to very coarse sand with pebbles N5/, gray
65 305-310 4.6 (92%) Medium sand with lignite and pebble layers N5/, gray
66 310-312 1.7 (85%) Medium to very coarse sand N5/, gray  
67 312-315 2.5 (83.3%) Medium sand with pebbles N5/, gray  
68 315-320 4.0 (80%) Medium to coarse sand N5/, gray Unnamed sand-clay (?Pliocene)
69 320-322.5 4.8 (192%) Coarse quartz sand and pebbly sand 5Y 5/1, gray  
70 322.5-325 2.7 (108%) Laminated silty sandy clay and clayey silty 2.5Y 3/1, very dark gray  
71 325-330 4.1 (82%) Laminated silty sandy clay and clayey silt with peat 2.5Y 3/1, very dark gray  
72 330-335 0.2 (4%) Laminated sandy clay 2.5Y 3/1, very dark gray  
73 335-340 1.7 (34%) Dark brown clay with fine to medium sand laminations 5Y 4/1, dark gray  
74 340-342 2.1 (105%) Laminated silty sandy clay and clayey silt with peat 5Y4/1, dark gray  
75 342-345 3.9 (130%) Laminated silty clay with sandy clay with peat 5GY 4/1, dark greenish gray; 2.5Y 3/1, very dark gray  
76 345-350 4.9 (98%) Laminated silty clay with sandy clay with peat 5GY 4/1, dark greenish gray  
77 350-355 5.1 (102%) Laminated clay 5GY 4/1, dark greenish gray  
78 355-360 3.8 (76%) Laminated clay, silt and fine sand, micaceous 5Y 4/1, dark gray  
Lithologic contact at 356.9 ft
79 360-367 2.3 (32.9%) Homogeneous medium quartz sand, shells common 5Y 6/1, gray Kirkwood-Cohansey (upper middle Miocene)
80 367-370 6.7 (223%) Homogeneous medium quartz sand, shells common 5Y 6/1, gray
81 360-365   Hole collapsed, started over at 360 ft  
82 370-380 0.9 (9%) Pebbles and pebbly quartz sand with weathered shells 5Y 5/1, gray
83 380-390 9.6 (96%) Fine to medium quartz sand with silty clay laminations 5Y 5/1, gray
84 390-393.5 3.1 (91.3%) Medium-coarse clayey sand, shells common 5Y 5/1, gray
85 393.5-400 3.2 (49.3%) 393.5-395.3: Medium to coarse clayey sand 5Y 5/1, gray
      395.3-396.7: Clay 5GY 4/1, dark greenish gray
86 400-410 10.3 (103%) Laminated silty clay and clayey silt 5GY 4/1, dark greenish gray
87 410-420 9.5 (95%) Laminated silty clay and clayey silt with shells and pebbles 5GY 4/1, dark greenish gray
88 420-422 1.5 (75%) Fine to medium sand with shells 5GY 4/1, dark greenish gray
Notes: Total depth = 1500 ft, mean recovery = 75%, median recovery = 85%.
Table 1. Core descriptions, Cape May borehole, Leg 150X. Part 3: from lithologic contact at 422 ft to lithologic contact at 850 ft.
Core
no.
Interval
(ft)
Recovery (%)
(ft)
Description Color Formation
Lithologic contact at 422 ft
89 422-430 5.3 (75.9%) Fine to medium sand with shells 5GY 4/1, dark greenish gray  
90 430-440 8.9 (89%) Fine, medium to coarse pebble sand with shells N5-6/, gray  
Lithologic contact at 432.2 ft
91 440-450 9.2 (92%) Fine clayey sandwith clay laminae 5B 4/1, dark bluish gray Kirkwood 3 (lower middle Miocene)
92 450-460 3.0 (30%) Fine to medium clayey sand 5B 4/1, dark bluish gray
93 460-463 2.7 (90%) Fine to medium clayey sand and sandy clay, indurated bed N3-4/, dark gray
94 463-469.5 5.0 (79%) Firm, uniform sandy clay and silt green gray; 5Y4/1, dark gray N3-5GY 4/1, very-dark gray
95 469.5-479.5 6.4 (64%) Firm sandy clay and silt N3-5GY 4/1, very dark gray-green gray; 5Y4/1, dark gray
96 479.5-485 6.2 (112%) Firm brownish micaceous clay and silt 5Y 4/1, dark gray
97 485-490 5.7 (114%) Very firm micaceous clay and silt 5GY 4/1, dark greenish gray
98 490-500 8.3 (83%) Laminated firm silty clay and silt 5GY 4/1, dark greenish gray
99 500-510 8.0 (80%) 500-502.9: Laminated firm silty clay 5GY 4/1, dark greenish gray
Lithologic contact 502.9 ft
      502.9-508: Medium clayey sand, indurated 5GY 4/1, dark greenish gray Unnamed Kirkwood (middle middle Miocene)
100 510-520 6.25 (62.5%) Medium clayey sand with shells 5YR 3/1, very dark gray  
101 520-530 9.8 (98%) Medium clayey sand with shells 5YR 3/1, very dark gray  
102 530-540 8.4 (84%) Fine to medium clayey sand, change to clean sand at 535.8 5YR 3/1, very dark gray  
103 540-550 9.7 (97%) Uniform fine to medium clayey sand 5GY 5/1, greenish gray  
104 550-560 4.5 (45%) Uniform fine to medium clayey sand 5GY 4/1, dark greenish gray  
105 560-570 3.0 (30%) Uniform fine to medium clayey sand 5GY 4/1, dark greenish gray  
106 570-580 7.6 (76%) Uniform fine to medium clayey sand in upper 5; silty clay below 575.7 and with shells 5GY 4/1, dark greenish gray, 10YR 6/1, gray  
Lithologic contact 575.7 ft
107 580-590 4.4 (44%) Indurated clayey sand and broken shells N 6-5/, gray Kirkwood 2b (lower middle Miocene)
108 590-600 0.0 (0%) No recovery, perhaps shell hash  
109 600-610 0.3 (3%) Shell hash in clayey sand matrix 5GY 4/1, dark greenish gray
110 610-613.5 0.5 (14.3%) Shell hash in clayey sand matrix 5GY 4/1, dark greenish gray
111 613.5-617.5 0.5 (12.5%) Shell hash in clayey sand matrix 5GY 4/1, dark greenish gray
         
Lithologic contact 617.5 ft
112 617.5-618.5 1.1 (110%) Clayey fine to medium sand N 5-3/1, gray (lower Miocene)  
113 618.5-628.5 8.9 (89%) Uniform fine sand with brown clay laminations N 5/1, gray  
114 628.5-638.8 10.2 (99%) Laminated firm clay with loose fine to medium sand, organic rich N 5/1-2.5Y 3/2, gray  
115 638.8-649 10.7 (105%) Fine to medium sand and brown clay laminations N5/-2.5Y 3/2, gray Kirkwood 2a (lower Miocene)
116 649-659 9.5 (95%) Interbedded firm silty clay and fine sand N5/-2.5Y 3/2, gray  
117 659-669 7.15 (71.5%) Interbedded firm silty clay and fine sand and silty sand N5/, gray  
118 669-679 9.3 (93%) Silty to sandy clay changes to clayey coarse sand with broken shells N3/, very dark gray  
Lithologic contact 680 ft
119 680-681 0.5 (50%) Indurated sandy clay N3/, very dark gray  
120 681-690 6.6 (66%) Indurated medium to coarse sand with shells, changes to silty clay below 685 ft N4/- 5GY 4/1, dark gray-dark greenish gray  
121 690-700 7.9 (79%) Firm brownish clay N3/-2.5Y 3/1, very dark gray  
122 700-710 6.4 (64%) Firm brownish clay with broken shells 2.5Y 4/1, dark gray  
Lithologic contact 710 ft
123 710-710.1 0.1 (100%) 2.5Y 4/1, very dark gray   Unnamed Kirkwood (lower Miocene)
124 710.1-720.1 5.5 (55%) Consolidated shelly gravel and pebble bed and changes to clayey pebbly coarse sand below 710.9 ft 2.5Y 4/1, dark gray
125 720.1-730 1.0 (10%) Consolidated clayey pebbly coarse sand 2.5Y 4/1, dark gray Unnamed Kirkwood (lower Miocene)
126 720-730   Rerun, no recovery  
127 730-740 0.6 (6%) Shell hash in pebbly coarse sand 2.5Y 3/1, very dark gray  
128 740-749 1.5 (16.7%) Coarse sand and clay with broken shells N4/, dark gray  
129 749-760 4.7 (42.7%) Consolidated coarse sand with broken shells N5/, gray  
130 760-770 5.0 (50%) Shell bed, medium sand and sandy clay 5Y 4/1, dark gray  
Lithologic contact 762 ft
131 770-780 6.9 (69%) Medium clayey sand and sandy clay 2.5Y 4/1, dark gray  
132 780-790 7.3 (73%) Pebbly coarse clayey sand N5-6/, gray  
133 790-791 1.3 (130%) Clayey medium sand N5-6/, gray  
134 791-800 1.4 (85%) Medium to coarse clayey sand N5-6/, gray  
135 800-810 7.3 (73%) Poorly sorted clean quartz sand with lignite interbedded with clayey sand N5-6/, gray  
136 810-820 2.5 (25%) Fine to medium sand with shells N4/, dark gray  
137 820-830 3.2 (2%) Fine to medium sand with shells N4/, dark gray  
138 830-840 9.3 (93%) Clayey sand with broken shells 10YR 3/1  
139 840-850 7.0 (70%) Silty clay with thin shells 10YR 3/2, very dark grayish brown  
Notes: Total depth = 1500 ft, mean recovery = 75%, median recovery = 85%.
Table 1. Core descriptions, Cape May borehole, Leg 150X. Part 4: from lithologic contact at 850 ft to lithologic contact at 1180 ft.
Core
no.
Interval
(ft)
Recovery (%)
(ft)
Description Color Formation
Lithologic contact 850 ft
140 850-860 4.3 (43%) Fine to medium clayey sand 2.5Y 5/1, gray Kirkwood 1b (lower Miocene)
141 860-870 9.8 (98%) Medium to coarse clayey sand with shells N4/, dark gray  
142 870-880 9.0 (90%) Medium to coarse clayey sand with shells N4/, dark gray  
143 880-890 9.7 (97%) Fine, medium, or coarse clayey sand with shells 5GY 4/1, dark greenish gray  
144 890-900 8.5 (85%) Fine, medium, or coarse clayey sand with shells 5GY 4/1, dark greenish gray  
145 900-910 7.8 (78%) Fine, medium, or coarse clayey sand with shells N3/, very dark gray  
146 910-920 7.6 (76%) Fine, medium, and coarse clayey sand, with silty clay at base N3/, very dark gray  
147 920-930 7.9 (79%) Laminated silty clay and clayey sand with shells N3/, very dark gray  
148 930-940 7.9 (79%) Laminated silty clay and clayey sand with shells N3/, very dark gray  
149 940-950 10.0 (100%) Laminated silty clay and clayey sand N3/, very dark gray  
Lithologic contact 942 ft
150 950-960 7.4 (74%) Gray uniform fine sand and laminated silty clay and clayey sand, burrowed   Kirkwood 1a (lower Miocene)
        5Y 3/1, very dark gray  
151 960-970 7.7 (77%) Laminated firm silty clay and clayey fine sand 2.5Y 5/1, gray  
152 970-980 9.5 (95%) Laminated firm silty clay and clayey fine sand 5Y 3/1, very dark gray  
153 980-990 9.7 (97%) Laminated firm clay and clayey silt 5YR 3/1, very dark gray  
154 990-1000 8.3 (83%) Laminated firm clay and clayey silt 5YR 3/1, very dark gray  
155 1000-1005 2.1 (42%) Laminated firm clay and clayey silt 5YR 3/1, very dark gray  
156 1005-1010 0.0 (0%) No recovery    
157 1010-1020 10.3 (103%) Very dark firm clay with shells above 1012.8 ft; laminated and bioturbated firm clay with shells and one sand layer at 1017.2 ft 5Y 3/1, very dark gray  
        5GY 4/1, dark greenish gray  
158 1020-1030 9.2 (92%) Bioturbated firm clay with shells 5Y 3/1, very dark gray  
159 1030-1035 4.9 (98%) Burrowed glauconitic silty clay 5Y 3/1, very dark gray  
160 1035-1040 3.5 (35%) Burrowed glauconitic silty clay 5Y 3/1, very dark gray  
161 1040-1050 10.3 (103%) Burrowed glauconitic silty clay 5Y 3/1, very dark gray  
162 1050-1060 9.3 (93%) Burrowed glauconitic silty clay above 1056.8 ft; burrowed glauconitic sandy clay grades down to glauconite sand 5Y 3/1, very dark gray, N2.5/, black  
163 1060-1065 4.9 (98%) Consolidated glauconite sand with shells 5G 5/2, grayish green  
Lithologic contact 1062 ft
164 1065-1070 3.7 (74%) Dark hard shell hash and clayey glauconite coarse sand N3/-5G 4/1, dark greenish gray Kirkwood equivalent, (Kw0) glauconite sand, and clay
165 1070-1077 7.0 (100%) Dark hard shell hash and clayey glauconite coarse sand N3/-5G 4/1, dark greenish gray
166 1077-1080 0.0 (0%) No recovery  
167 1080-1090 10.5 (105%) Firm, coarse glauconite to quartz clayey sand with shells N3/, very dark gray  
168 1090-1100 9.8 (98%) Bioturbated, firm, coarse glauconite to quartz clayey sand N3/, very dark gray  
169 1100-1110 7.0 (70%) Pebbly coarse-grained glauconite sand with shells N3/, very dark gray  
170 1110-1120 6.8 (68%) Pebbly coarse-grained glauconite sand with shells N3/, very dark gray  
171 1120-1130 6.7 (67%) Pebbly coarse-grained glauconite sand with shells N3/, very dark gray  
172 1130-1135 4.5 (90%) Pebbly coarse-grained glauconite sand with shells N3/, very dark gray  
173 1135-1138 2.4 (80%) Coarse, hard glauconite to quartz sand N3/, very dark gray  
174 1138-1140 0.0 (0%) No recovery    
175 1140-1150 7.0 (70%) Medium to coarse firm clayey glauconite sand with shells N3/, very dark gray  
176 1150-1160 10.0 (100%) Medium to coarse firm clayey glauconite sand with shells N3/, very dark gray  
177 1160-1168 5.5 (68.8%) Medium to coarse firm clayey glauconite sand with shells N3/, very dark gray  
178 1168-1170 0.0 (0%)      
179 1170-1180 1.0 (10%) Medium to coarse firm clayey glauconite sand with shells 5GY 4/1, dark greenish gray  
180 1180-1184 4.0 (100%) Medium to coarse firm clayey glauconite sand with shells 5GY 4/1, dark greenish gray  
Notes: Total depth = 1500 ft, mean recovery = 75%, median recovery = 85%.
Table 1. Core descriptions, Cape May borehole, Leg 150X. Part 5: from lithologic contact at 1180 ft to 1500 ft.
Core
no.
Interval
(ft)
Recovery (%)
(ft)
Description Color Formation
Lithologic contact at 1180 ft
181 1184-1190 5.0 (83%) Medium to fine clayey quartzose glauconitic sand 5GY 4/1, dark greenish gray Unnamed upper Oligocene
182 1190-1200 7.3 (73%) Medium to fine clayey quartzose glauconitic sand 5GY 4/1, dark greenish gray  
183 1200-1210 10.1 (101%) Medium to fine clayey quartzose glauconitic sand 5GY 4/1, dark greenish gray  
Lithologic contact at 1210 ft
184 1210-1220 10.2 (102%) Very coarse to coarse quartz sand at top and fine to medium clayey sand below 5G 4/2, grayish green  
185 1220-1230 3.9 (39%) Very coarse to coarse quartz sand with shells 5GY 4/1, dark greenish gray  
186 1230-1240 4.8 (48%) Very coarse to coarse to medium quartzose glauconite sand, sandy clay and clayey sand 5GY 4/1, dark greenish gray  
187-188 1240-1250 9.2 (92%) Fine to coarse shelly quartzose glauconite sand above 1248.5 5GY 4/1, dark greenish gray  
Lithologic contact 1248.5 ft
      Indurated and laminated clayey glauconite sand and sandy clay 5Y 5/1, gray Unnamed upper Oligocene
189 1250-1260 7.8 (78%) Indurated and laminated clayey glauconite sand and sandy clay 5Y 3/2, dark olive gray  
190 1260-1270 8.5 (84%) Shelly, burrowed silty clay and clayey glauconite sand 5Y 3/2-4/2, olive gray  
Lithologic contact 1270 ft
191 1270-1280 10.1 (101%) Slightly glauconitic sandy to silty clay 5Y 3/2-5/2, olive gray Unnamed lower Oligocene
192 1280-1290 8.2 (82%) Laminated glauconitic sandy to silty clay 5GY 4/1, dark greenish gray  
193 1290-1300 10.4 (104%) Laminated glauconitic sandy to silty clay 5Y 3/2, olive gray  
Lithologic contact 1300 ft
194 1300-1310 9.1 (91%) Glauconitic silt and sandy to silty clay 2.5Y 3/3, dark olive gray  
195 1310-1316.3 5.6 (89%) Burrowed, clayey glauconitic fine sand 2.5Y 3/2, very dark grayish brown  
196 1316.3-1320 3.7 (100%) Clayey glauconitic fine sand 2.5Y 3/2, very dark grayish brown  
197 1320-1330 8.7 (87%) Clayey glauconitic fine sand 2.5Y 3/2, very dark grayish brown  
198 1330-1340 2.6(26%) Clayey glauconitic fine sand 2.5Y 3/2, very dark grayish brown  
199 1340-1340.5 0.5 (100%) Clayey glauconitic fine sand to silty clay N/3, very dark gray  
200 1340.5-1350 9.0 (95%) Clayey glauconitic fine sand to silty clay with pyrite nodules N/3, very dark gray  
201 1350-1360 4.5 (45%) Clayey glauconitic fine sand to silty clay with pyrite nodules above 1350.8 ft 2.5Y 4/1, dark gray  
Lithologic contact 1350.8 ft
      Burrowed and laminated brownish firm clay between 1350.8 and 1352 mbsf; firm glauconitic silty clay between 1352 and 1352.5 mbsf, shell bed in brown clay matrix below 1352.5 N/3, very dark gray, 2.5Y 3/1, very dark gray Unnamed lower Oligocene
Lithologic contact 1360 ft
202 1360-1370 10.5 (105%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray ACGS alpha Unit upper Eocene
203 1370-1380 7.1 (71%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
204 1380-1390 10.3 (103%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
205 1390-1400 10.2 (102%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
206 1400-1410 8.0 (80%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
207 1410-1419 10.0 (111%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
208 1419-1430 10.4 (95%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
209 1430-1440 10.4 (104%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
210 1440-1450.5 10.4 (99%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
211 1450.5-1460 9.45 (98%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
212 1460-1470 10.3 (103%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
213 1470-1480 9.7 (9.7%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
214 1480-1490 10.0 (100%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
215 1490-1500 5.85 (58.5%) Laminated firm silty clay with visible microfossils 5Y 3/1-4/1, dark gray  
Notes: Total depth = 1500 ft, mean recovery = 75%, median recovery = 85%.