Sample Characteristics
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Sampling Technique
No Preference
Box Core
Camera Tow
Drill Core
Dive (by person)
Dredge
Deep Tow
Free Fall Core
Grab Bucket
Hydrocast
Outcrop (on land)
Piston Core
Rock Core
Submersible
TV-controlled grab
Unknown
Alteration
No Preference
ALMOST COMPLETELY ALTERED
EXTENSIVELY ALTERED
FRESH
MODERATELY ALTERED
N/A
SLIGHTLY ALTERED
TOTALLY ALTERED
Rock type
Rock Classification
1
2
3
4
5
6
7
selected