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Pa/Th
AGE
5
Blake Ridge
5
Core
5
North Atlantic Ocean
5
Opal
5
Protactinium
5
Protactinium-231
5
Protactinium-231/Thorium-230
5
Protactinium-231/Thorium-230 ratio
5
Thorium
5
Thorium-230
5
Thorium-232
5
Uranium-238
5
biogenic silica
5
error
5
relative
5
sediment/rock
5
COMPCORE
4
Composite Core
4
Depth
4
Joides Resolution
4
Leg 172
4
Leg172
4
Sample code/label
4
Section
4
bottom/max
4
top/min
4
Blake-Bahama Outer Ridge
3
172-1059
1
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