Unit
|
Core, section,
interval (cm)
|
Depth
DSF (m)
|
Depositional environment |
Age |
|
313-M0027A-
|
Unit I
|
1H-1, 0, to 57H-2, 43
|
0.00–167.74
|
Fluvial, estuarine, coastal plain, and marine
|
late Pleistocene–late Miocene
|
Subunit IA
|
1H-1, 0, to 14H-1, 71
|
0.00–26.29
|
Shoreface to shoreface–offshore transition
|
|
Subunit IB
|
14H-1, 71, to 34X-1, 0
|
26.29–70.92
|
Littoral to fluvial and coastal plain?
|
|
Subunit IC
|
34X-1, 0, to 49H-1, 66
|
70.92–92.93
|
Estuarine and coastal plain?
|
|
Subunit ID
|
49H-1, 66, to 57H-2, 43
|
92.93–167.74
|
Fluvial (channel and floodplain), minor shoreface
|
|
Unit II
|
57H-2, 48, to 83R-2, 126
|
167.74–236.16
|
Channel-fills, transgressive shoreface, shoreface–offshore
transition, and offshore |
middle Miocene (Langhian)
|
Unit III
|
83R-2, 126, to 102R-2, 105
|
236.16–295.01
|
Shoreface–offshore transition to offshore with strong
storm influence, minor shoreface |
early middle–late early Miocene (early Langhian–late
Burdigalian) |
Unit IV
|
102R-2, 105, to 116R-1, 77
|
295.01–335.93
|
Offshore, shoreface–offshore transition, and minor
shoreface |
middle early Miocene (mid-Burdigalian)
|
Unit V
|
116R-1, 77, to 125R-CC, 12
|
335.93–355.72
|
Poorly constrained, rollover
|
middle early Miocene (early–middle Burdigalian)
|
Unit VI
|
125R-CC, 12, to 170R-1, 109 |
355.72–488.75
|
Clinoform abandonment and outbuilding
|
middle early Miocene (late Aquitanian–early Burdigalian)
|
Subunit VIA
|
125R-CC, 12, to 145-2, 120
|
355.72–414.11
|
Shoreface–offshore transition to shoreface to foreshore
|
|
Subunit VIB
|
145R-2, 120, to 170R-1, 109
|
414.11–488.75
|
Deepwater toe-of-slope apron (inferred from seismic context)
to offshore |
|
Unit VII
|
170R-1, 109, to 223R-1, 69 |
488.75–625.60
|
Distal and proximal clinoform toe-of-slope aprons
|
early Miocene (early Aquitanian)–late early Oligocene
|
Subunit VIIA
|
170R-1, 109, to 175R-3, 10
|
488.75–499.91
|
Debrite and turbidite toe-of-slope apron/channel-fill
|
|
Subunit VIIB
|
175R-3, 10, to 223R-1, 69
|
499.91–625.60
|
Deepwater distal clinoform apron
|
|
Unit VIII
|
223R-1, 69, to 224R-3, 19
|
625.60–631.15
|
Offshore
|
late Eocene?
|
Note: Bold text indicates generalized features of entire lithostratigraphic unit.