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DRILL
2
DSDP
2
Deep Sea Drilling Project
2
Drilling/drill rig
Glomar Challenger
2
North Atlantic/RIDGE
111-504B
1
12-112
1
12-114
1
12-117A
1
12-118
1
14-136
1
14-137
1
14-138
1
14-141
1
2-10
1
2-9A
1
45-395
1
54-420
1
54-421
1
54-429A
1
73-519A
1
73-522B
1
82-562
1
82-564
1
92-597B
1
92-597C
1
Calculated
1
Cerium
1
Cerium-138/Cerium-142
1
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