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20
DEPTH
20
DRILL
20
DSDP
20
DSDP/ODP/IODP sample designation
20
Deep Sea Drilling Project
20
Drilling/drill rig
20
Feldspar
Glomar Challenger
20
Lithology/composition/facies
20
Quartz
20
Sample code/label
20
Sand
20
Silt
20
Size fraction < 0.002 mm
20
Smear slide analysis
20
Spiculae
20
Volcanic glass
clay
20
sediment/rock
20
Clay minerals
19
Diatoms
19
Heavy minerals
19
Stratigraphy
19
Carbonates
18
Mica
18
Terrigenous
18
Glauconite
17
Nannofossils
17
Radiolarians
17
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