NOAA logo, National Centers for Environmental Information, National Oceanic and Atmospheric Administration
US National Science Foundation Division of Ocean Sciences
Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: International Ocean Discovery Program
Contact the Curator
Ship: Glomar Challenger
Cruise: 28
Hole: 268
Device: drill
Latitude: -63.95
Longitude: 105.155
Water Depth(m): 3529
Date: 19730110
IGSN: ODP005501
Core length (cm): 46810
Diameter (cm): 7
Storage: refrigerated
1 :    268 1   0 to 150
Primary composition: siliceous, diatoms
Primary texture: muddy sand
Geologic Age: Pleistocene
Comments: AVG.DEN=1.23
2 :    268 1   150 to 278
Primary composition: siliceous, diatoms
Geologic Age: Pleistocene
Comments: AVG.DEN=1.28
3 :    268 1   278 to 300
Primary composition: terrigenous
Geologic Age: Pleistocene
Comments: AVG.DEN=1.34
4 :    268 1   401 to 423
Primary composition: terrigenous
Geologic Age: Pleistocene
5 :    268 1   423 to 450
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
6 :    268 1   660 to 750
Primary composition: siliceous, diatoms
Geologic Age: Pleistocene
7 :    268 1   750 to 780
Primary composition: siliceous, diatoms
Geologic Age: Pleistocene
8 :    268 1   780 to 821
Primary composition: terrigenous
Geologic Age: Pleistocene
9 :    268 1   821 to 832
Primary composition: terrigenous
Geologic Age: Pleistocene
10 :    268 1   832 to 900
Primary composition: terrigenous
Geologic Age: Pleistocene
11 :    268 1   910 to 910
Primary composition: terrigenous
Geologic Age: Pleistocene
12 :    268 2   2742 to 2850
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
13 :    268 2   2850 to 2854
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.44
14 :    268 2   2854 to 2864
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.69
15 :    268 2   2864 to 2879
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.57
16 :    268 2   2879 to 2883
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.66
17 :    268 2   2883 to 2912
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.60
18 :    268 2   2912 to 2921
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.79
19 :    268 2   2921 to 2946
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.82
20 :    268 2   2955 to 2963
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.84
21 :    268 2   2963 to 2967
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.83
22 :    268 2   2967 to 2980
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.80
23 :    268 2   2980 to 3000
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.65
24 :    268 2   3000 to 3030
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.72
25 :    268 2   3030 to 3040
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.63
26 :    268 2   3040 to 3100
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.61
27 :    268 2   3100 to 3150
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
Comments: AVG.DEN=1.61
28 :    268 2   3150 to 3210
Primary composition: terrigenous
Geologic Age: Pleistocene
Comments: AVG.DEN=1.64
29 :    268 2   3210 to 3240
Primary composition: terrigenous
Geologic Age: Pleistocene
Comments: AVG.DEN=1.57
30 :    268 2   3240 to 3300
Primary composition: terrigenous
Geologic Age: Pleistocene
Comments: AVG.DEN=1.67
31 :    268 2   3300 to 3401
Primary composition: terrigenous
Geologic Age: Pleistocene
Comments: AVG.DEN=1.63
32 :    268 2   3401 to 3450
Primary composition: terrigenous
Geologic Age: Pleistocene
Comments: AVG.DEN=1.57
33 :    268 2   3450 to 3568
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pleistocene
34 :    268 2   3568 to 3600
Primary composition: terrigenous
Geologic Age: Pleistocene
35 :    268 2   3610 to 3610
Primary composition: terrigenous
Geologic Age: Pleistocene
36 :    268 3   5610 to 5700
Primary composition: terrigenous
Geologic Age: unknown
37 :    268 3   5700 to 5835
Primary composition: terrigenous
Geologic Age: unknown
Comments: AVG.DEN=1.69
38 :    268 3   5860 to 5860
Primary composition: terrigenous
Components: clay minerals
Geologic Age: unknown
39 :    268 4   8452 to 8550
Primary composition: siliceous, diatoms
Geologic Age: unknown
40 :    268 4   8550 to 8700
Primary composition: terrigenous
Geologic Age: Pliocene
Comments: AVG.DEN=1.57
41 :    268 4   8710 to 8710
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Pliocene
42 :    268 5   11350 to 11363
Primary composition: terrigenous
Components: siliceous, diatoms
Geologic Age: Miocene
43 :    268 5   11363 to 11438
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
44 :    268 5   11438 to 11445
Primary composition: terrigenous
Components: clay minerals
siliceous, diatoms
Geologic Age: Miocene
45 :    268 5   11445 to 11464
Primary composition: terrigenous
Geologic Age: Miocene
46 :    268 5   11464 to 11472
Primary composition: terrigenous
Geologic Age: Miocene
47 :    268 5   11500 to 11517
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.49
48 :    268 5   11517 to 11529
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.65
49 :    268 5   11529 to 11554
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.37
50 :    268 5   11554 to 11559
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.27
51 :    268 5   11559 to 11592
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.40
52 :    268 5   11592 to 11606
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.51
53 :    268 5   11606 to 11637
Primary composition: terrigenous
Components: clay minerals
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.81
54 :    268 5   11637 to 11647
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=2.13
55 :    268 5   11660 to 11660
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
56 :    268 6   13542 to 13600
Primary composition: terrigenous
Geologic Age: Miocene
57 :    268 7   14522 to 14534
Primary composition: terrigenous
Geologic Age: Miocene
58 :    268 7   14534 to 14542
Primary composition: terrigenous
Geologic Age: Miocene
59 :    268 7   14550 to 14556
Primary composition: terrigenous
Geologic Age: Miocene
60 :    268 7   14556 to 14584
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.55
61 :    268 7   14584 to 14700
Primary composition: siliceous, diatoms
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.37
62 :    268 8   17050 to 17119
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.74
63 :    268 8   17119 to 17125
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.76
64 :    268 8   17125 to 17130
Primary composition: terrigenous
Components: clay minerals
calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.64
65 :    268 8   17130 to 17185
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.57
66 :    268 8   17256 to 17350
Primary composition: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.49
67 :    268 8   17364 to 17461
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.52
68 :    268 8   17461 to 17500
Primary composition: terrigenous
Components: calcareous, nannofossils
Geologic Age: Miocene
Comments: AVG.DEN=1.52
69 :    268 8   17510 to 17510
Primary composition: calcareous, nannofossils
Components: clay minerals
Geologic Age: Miocene
70 :    268 9   19923 to 20032
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.56
71 :    268 9   20032 to 20050
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.58
72 :    268 9   20053 to 20121
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.58
73 :    268 9   20121 to 20159
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.59
74 :    268 9   20159 to 20200
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.73
75 :    268 9   20225 to 20350
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.74
76 :    268 9   20494 to 20500
Primary composition: terrigenous
Geologic Age: Miocene
77 :    268 9   20628 to 20650
Primary composition: terrigenous
Geologic Age: Miocene
78 :    268 9   20660 to 20660
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
79 :    268 10   22800 to 22862
Primary composition: terrigenous
Components: calcareous, nannofossils
clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.62
80 :    268 10   22862 to 22868
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.67
81 :    268 10   22868 to 22924
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.61
82 :    268 10   22924 to 22950
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.70
83 :    268 10   22950 to 23100
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.70
84 :    268 10   23100 to 23250
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.71
85 :    268 10   23250 to 23400
Primary composition: terrigenous
Components: clay minerals
siliceous, diatoms
Geologic Age: Miocene
Comments: AVG.DEN=1.75
86 :    268 10   23400 to 23550
Primary composition: terrigenous
Geologic Age: Miocene
87 :    268 10   23550 to 23564
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.74
88 :    268 10   23564 to 23577
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.70
89 :    268 10   23577 to 23620
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
Comments: AVG.DEN=1.76
90 :    268 10   23620 to 23654
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.70
91 :    268 10   23654 to 23700
Primary composition: terrigenous
Geologic Age: Miocene
Comments: AVG.DEN=1.78
92 :    268 10   23710 to 23710
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
93 :    268 11   25723 to 25738
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
94 :    268 11   25738 to 25750
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Miocene
95 :    268 11   25760 to 25760
Primary composition: terrigenous
Geologic Age: Miocene
96 :    268 12   28457 to 28600
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
97 :    268 12   28610 to 28610
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Miocene
98 :    268 13   30425 to 30443
Primary composition: terrigenous
Geologic Age: Tertiary
99 :    268 13   30443 to 30457
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Tertiary
100 :    268 13   30457 to 30475
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
101 :    268 13   30476 to 30485
Primary composition: terrigenous
Geologic Age: Tertiary
102 :    268 13   30510 to 30510
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Tertiary
103 :    268 14   32369 to 32384
Primary composition: terrigenous
Geologic Age: Tertiary
104 :    268 14   32384 to 32400
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Tertiary
105 :    268 14   32410 to 32410
Primary composition: terrigenous
Geologic Age: Tertiary
106 :    268 15   34213 to 34238
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
107 :    268 15   34238 to 34243
Primary composition: terrigenous
Geologic Age: Tertiary
108 :    268 15   34243 to 34248
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
109 :    268 15   34248 to 34255
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Tertiary
110 :    268 15   34255 to 34267
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
111 :    268 15   34267 to 34300
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Tertiary
112 :    268 15   34310 to 34310
Primary composition: terrigenous
Components: clay minerals
Geologic Age: Tertiary
113 :    268 16   35100 to 35186
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: Tertiary
114 :    268 16   35186 to 35200
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
115 :    268 16   35200 to 35212
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Tertiary
116 :    268 16   35213 to 35228
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
117 :    268 16   35260 to 35260
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Tertiary
118 :    268 17   38070 to 38080
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Oligocene
119 :    268 17   38100 to 38125
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Oligocene
120 :    268 17   38125 to 38132
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Oligocene
121 :    268 17   38132 to 38145
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: Oligocene
122 :    268 17   38145 to 38153
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Oligocene
123 :    268 17   38153 to 38237
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: Oligocene
124 :    268 17   38237 to 38241
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: Oligocene
125 :    268 17   38250 to 38400
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: Oligocene
Comments: AVG.DEN=1.51
126 :    268 18   40828 to 40950
Primary composition: terrigenous
Geologic Age: unknown
127 :    268 18   40950 to 41100
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: unknown
128 :    268 18   41100 to 41250
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: unknown
129 :    268 18   41260 to 41260
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: unknown
130 :    268 19   43661 to 43800
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: unknown
Comments: AVG.DEN=1.74
131 :    268 19   43800 to 43874
Primary composition: terrigenous
Components: clay minerals
Geologic Age: unknown
132 :    268 19   43874 to 43881
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: unknown
133 :    268 19   43881 to 43933
Primary composition: terrigenous
Geologic Age: unknown
134 :    268 19   43933 to 43950
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: unknown
135 :    268 19   43960 to 43960
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: unknown
136 :    268 20   46568 to 46574
Primary composition: siliceous
Secondary texture: chert or porcelanite
Geologic Age: unknown
137 :    268 20   46574 to 46650
Primary texture: terrigenous clastic sedimentary rock
Geologic Age: unknown
138 :    268 20   46650 to 46747
Primary texture: terrigenous clastic sedimentary rock
Components: clay minerals
Geologic Age: unknown
139 :    268 20   46810 to 46810
Primary composition: terrigenous
Components: clay minerals
Geologic Age: unknown
_



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.


ESRI iconUse the Interactive Map Interface