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US National Science Foundation Division of Ocean Sciences
Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: International Ocean Discovery Program
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Ship: Glomar Challenger
Cruise: 25
Hole: 242
Device: drill
Latitude: -15.845
Longitude: 41.82
Water Depth(m): 2275
Date: 19720723
IGSN: ODP004876
Core length (cm): 67750
Diameter (cm): 7
Storage: refrigerated
1 :    242 1   125 to 150
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Quaternary
2 :    242 1   150 to 300
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Quaternary
3 :    242 1   300 to 450
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Quaternary
Comments: AVG.DEN=1.32
4 :    242 1   450 to 534
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pleistocene
Comments: AVG.DEN=1.31
5 :    242 1   534 to 535
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pleistocene
Comments: AVG.DEN=1.32
6 :    242 1   535 to 600
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pleistocene
Comments: AVG.DEN=1.31
7 :    242 1   610 to 610
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pleistocene
8 :    242 2   5225 to 5350
Primary composition: calcareous, nannofossils
Components: pyrite or marcasite
Geologic Age: Pliocene
Comments: AVG.DEN=1.49
9 :    242 2   5350 to 5500
Primary composition: calcareous, nannofossils
Geologic Age: Pliocene
Comments: AVG.DEN=1.58
10 :    242 2   5500 to 5650
Primary composition: calcareous, nannofossils
Geologic Age: Pliocene
Comments: AVG.DEN=1.67
11 :    242 2   5650 to 5800
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
Comments: AVG.DEN=1.67
12 :    242 2   5810 to 5810
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
13 :    242 3   12800 to 12950
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
Comments: AVG.DEN=1.61
14 :    242 3   12950 to 13100
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
Comments: AVG.DEN=1.63
15 :    242 3   13100 to 13250
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: Pliocene
Comments: AVG.DEN=1.68
16 :    242 3   13250 to 13400
Primary composition: calcareous, nannofossils
Geologic Age: Pliocene
Comments: AVG.DEN=1.70
17 :    242 3   13400 to 13550
Primary composition: calcareous, nannofossils
Geologic Age: Pliocene
Comments: AVG.DEN=1.70
18 :    242 3   13550 to 13700
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Pliocene
Comments: AVG.DEN=1.71
19 :    242 3   13710 to 13710
Primary composition: calcareous, nannofossils
Geologic Age: unknown
20 :    242 4   14725 to 14850
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
21 :    242 4   14850 to 15000
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
22 :    242 4   15000 to 15150
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.72
23 :    242 4   15150 to 15300
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.75
24 :    242 4   15300 to 15450
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.73
25 :    242 4   15450 to 15600
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.76
26 :    242 4   15610 to 15610
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
27 :    242 5   23365 to 23450
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
28 :    242 5   23450 to 23565
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
29 :    242 5   23565 to 23590
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
30 :    242 5   23590 to 23600
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
31 :    242 5   23600 to 23750
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
32 :    242 5   23750 to 23900
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.86
33 :    242 5   23910 to 23910
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
34 :    242 6   30905 to 30950
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
35 :    242 6   30950 to 31090
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.61
36 :    242 6   31100 to 31250
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.67
37 :    242 7   40350 to 40500
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
38 :    242 7   40500 to 40650
Primary composition: calcareous, biogenic
Geologic Age: Miocene
Comments: AVG.DEN=1.78
39 :    242 7   40650 to 40800
Primary composition: calcareous, biogenic
Geologic Age: Miocene
Comments: AVG.DEN=1.79
40 :    242 7   40800 to 40950
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.76
41 :    242 7   40950 to 41100
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.82
42 :    242 7   41100 to 41250
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.88
43 :    242 7   41260 to 41260
Primary composition: calcareous, nannofossils
Components: calcareous, foraminifera
Geologic Age: unknown
44 :    242 8   47980 to 48050
Primary composition: terrigenous
Components: calcareous, nannofossils
Geologic Age: Miocene
45 :    242 8   48050 to 48200
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.61
46 :    242 8   48200 to 48350
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.58
47 :    242 8   48350 to 48500
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.62
48 :    242 8   48500 to 48650
Primary composition: calcareous, biogenic
Geologic Age: Miocene
49 :    242 8   48660 to 48660
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
50 :    242 9   55550 to 55700
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.70
51 :    242 9   55700 to 55850
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.81
52 :    242 9   55850 to 56000
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.77
53 :    242 9   56000 to 56150
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.78
54 :    242 9   56150 to 56300
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Oligocene
Comments: AVG.DEN=1.71
55 :    242 9   56300 to 56450
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.89
56 :    242 9   56460 to 56460
Primary composition: calcareous, nannofossils
Geologic Age: unknown
57 :    242 10   60250 to 60400
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
58 :    242 10   60400 to 60550
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.87
59 :    242 10   60550 to 60700
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.87
60 :    242 10   60700 to 60850
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Oligocene
Comments: AVG.DEN=1.87
61 :    242 10   60850 to 61000
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.90
62 :    242 10   61000 to 61150
Primary composition: calcareous, biogenic
Geologic Age: Oligocene
Comments: AVG.DEN=2.01
63 :    242 10   61160 to 61160
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
64 :    242 11   61110 to 61110
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
65 :    242 12   62315 to 62450
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.94
66 :    242 12   62450 to 62600
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.95
67 :    242 12   62600 to 62750
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=2.05
68 :    242 12   62760 to 62760
Primary composition: calcareous, biogenic
Geologic Age: Oligocene
69 :    242 13   63150 to 63300
Primary composition: calcareous, nannofossils
Components: manganese
Geologic Age: Oligocene
Comments: AVG.DEN=1.91
70 :    242 13   63300 to 63450
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.89
71 :    242 13   63450 to 63600
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.87
72 :    242 13   63600 to 63750
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.87
73 :    242 13   63750 to 63900
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.82
74 :    242 13   63900 to 64050
Primary composition: calcareous, biogenic
Geologic Age: Oligocene
Comments: AVG.DEN=1.94
75 :    242 13   64060 to 64060
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Oligocene
76 :    242 14   64000 to 64125
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.84
77 :    242 14   64150 to 64300
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.95
78 :    242 14   64300 to 64450
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.98
79 :    242 14   64450 to 64600
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
Comments: AVG.DEN=1.96
80 :    242 14   64610 to 64610
Primary composition: calcareous, nannofossils
Geologic Age: Oligocene
81 :    242 15   64910 to 65050
Primary composition: calcareous, nannofossils
Geologic Age: Eocene
Comments: AVG.DEN=1.92
82 :    242 15   65050 to 65200
Primary composition: calcareous, nannofossils
Geologic Age: Eocene
Comments: AVG.DEN=1.97
83 :    242 15   65200 to 65350
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
Comments: AVG.DEN=1.96
84 :    242 15   65360 to 65360
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
85 :    242 16   65300 to 65410
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
Comments: AVG.DEN=1.83
86 :    242 16   65460 to 65460
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
87 :    242 17   66845 to 66950
Primary composition: calcareous, nannofossils
Geologic Age: Eocene
88 :    242 17   66960 to 66960
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
89 :    242 18   67230 to 67350
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
90 :    242 18   67360 to 67360
Primary composition: terrigenous
Components: calcareous, nannofossils
Geologic Age: Eocene
91 :    242 19   67420 to 67450
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
92 :    242 19   67450 to 67600
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
Comments: AVG.DEN=1.77
93 :    242 19   67600 to 67750
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Eocene
Comments: AVG.DEN=1.75
_



When you refer to individual samples/data in the IMLGS, please cite each source repository whose data you use.

More Information and how to cite the IMLGS: doi:10.7289/V5H41PB8.


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