|
Unit
|
Subunit
|
Core/Cuttings number
|
Depth interval
MSF (m)
|
Thickness
(m)
|
Lithology
|
Age
|
|
I
|
a
|
Samples 337-C0020A-24-SMW through 58-SMW
|
647–926.5
|
279.5
|
Diatom-bearing siltstone and claystone
|
late–middle Pliocene
|
|
b
|
Samples 337-C0020A-59-SMW through 88-SMW
|
926.5–1116.5
|
190
|
Semiconsolidated diatom-bearing clayey siltstone with common
fine sandstone
|
middle Pliocene/early Pliocene–late Miocene
|
|
c
|
Samples 337-C0020A-92-SMW through 95-SMW
|
1116.5–1236.5
|
120
|
Unconsolidated to semiconsolidated sandstone and silty
sandstone with rare clayey siltstone
|
early Pliocene–Miocene
|
|
d
|
Samples 337-C0020A-97-SMW through 98-SMW
|
1236.5–1256.5
|
20
|
Semiconsolidated clayey siltstone with medium loose sand
|
early Pliocene–Miocene
|
|
II
|
a
|
Samples 337-C0020A-98-SMW through 153-SMW;
Cores C0020A-1R through 6R
|
1256.5–1506.5
|
250
|
Sandstone and siltstone associated with marine fossiliferous
material
|
Miocene
|
|
b
|
Samples 337-C0020A-153-SMW through 216-SMW;
Cores C0020A-7R through 14R
|
1506.5–1826.5
|
320
|
Organic-rich shale and sandstone associated with plant remains
|
Miocene
|
|
III
|
|
Samples 337-C0020A-216-SMW through 261-SMW;
Cores C0020A-15R through 25R
|
1826.5–2046.5
|
220
|
Organic-rich sandstone and shale associated with coalbeds
|
early–middle Miocene
|
|
IV
|
a
|
Samples 337-C0020A-261-SMW through 384-SMW;
Cores C0020A-26R through 29R
|
2046.5–2426.5
|
380
|
Shale and sandstone associated with carbonate and glauconitic
material
|
early Miocene–late Oligocene
|
|
b
|
Samples 337-C0020A-384-SMW through 391-SMW;
Cores C0020A-30R through 32R
|
2426.5–2466
|
39.5
|
Sandstone and shale associated with coalbed
|
early Miocene–late Oligocene
|