Topic
Comment
30
DEPTH
30
DRILL
30
DSDP
30
DSDP/ODP/IODP sample designation
30
Deep Sea Drilling Project
30
Drilling/drill rig
Feldspar
Glomar Challenger
30
Lithology/composition/facies
Sample code/label
30
Sand
30
Silt
30
Size fraction < 0.002 mm
30
Smear slide analysis
30
clay
30
sediment/rock
30
Quartz
29
Spiculae
29
Diatoms
28
Mica
28
Stratigraphy
28
Heavy minerals
27
Clay minerals
26
Carbonates
25
Nannofossils
24
Radiolarians
23
Terrigenous
23
Glauconite
22
Micronodules
21
Volcanic glass
20
Silicoflagellates
18
Opaque minerals
17
Foraminifera
16
Biotite
15
Hornblende
15
Leg28
13
FeS2
12
Leg29
12
Pyrite
12
Zeolite
12
Iron
11
Pyroxene
11
Garnet
10
Tourmaline
10
Zircon
10
Minerals
9
Rock fragments
9
other
8
Epidote
7
more ...