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40K/40Ar Potassium-Argon
3
Age
3
Argon-40
3
DRILL
3
DSDP
3
DSDP/ODP/IODP sample designation
3
Deep Sea Drilling Project
3
Drilling/drill rig
3
Event label
3
Glomar Challenger
3
Sample code/label
3
dated
3
dated standard deviation
3
radiogenic/Argon-40
total
3
81-553
2
81-555
2
Description
2
Identification
2
Leg81
2
Mass
2
Mass spectrometry
2
North Atlantic/PLATEAU
2
Sample
2
optional label/labor no
2
80-550B
1
80-551
1
Argon-36
1
Experiment
1
Flame photometry
1
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