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Table T2. Summary of lithostratigraphic units, Hole M0028A.

Unit Core, section
interval (cm)
Depth
DSF (m)
Depositional environment Age
Unit I Not recovered      
Unit II 2R-1, 0, to 49R-2, 58 223.33–335.37 Multiple offshore–shoreface cycles middle Miocene (Langhian)
Subunit IIA 2R-1, 0, to 12R-1, 40 223.33–254.23 Offshore to shoreface  
Subunit IIB 12R-1, 40, to 25R-1, 14 254.23–286.92 Poorly constrained rollover, offshore to shoreface  
Subunit IIC 25R-1, 14, to 34R-2, 55 286.92–310.53 Offshore to shoreface–offshore transition  
Subunit IID 34R-2, 55, to 49R-2, 58 310.53–335.37 Poorly constrained, rollover  
Unit III 49R-2, 58, to 110R-2, 110 335.37–512.29 Clinoform outbuilding early middle–late early Miocene (early Langhian–late Burdigalian)
Subunit IIIA 49R-2, 58, to 67R-2, 42 335.37–391.38 Shoreface  
Subunit IIIB 67R-2, 42, to 79R-2, 70 391.38–414.67 Shoreface–offshore transition with river influence to shoreface  
Subunit IIIC 79R-2, 70, to 98R-2, 64 414.67–475.22 Offshore to shoreface offshore transition  
Subunit IIID 98R-2, 64, to 110R-2, 110 475.22–512.29 Toe-of-slope apron (inferred from seismic context)  
Unit IV 110R-2, 110, to 115R-1, 101 512.29–525.52 Toe-of-slope apron and deep offshore middle early Miocene (middle Burdigalian)
Unit V 115R-1, 101, to 152R-1, 76 525.52–611.28 Clinoform degradation and apron progradation middle early Miocene (early–middle Burdigalian)
Subunit VA 115R-1, 101, to 120R-1, 63 525.52–533.59 Turbidity current apron/channel fill  
Subunit VB 120R-1, 63, to 147CC, 10 533.59–600.31 Toe-of-slope apron  
Subunit VC 147CC, 10, to 152R-1, 76 600.31–611.28 Toe-of-slope apron (inferred from seismic context)  
Unit VI 152R-1, 76, to 169R-1, 61 611.28–662.98 (Dysoxic) river-influenced offshore middle early Miocene (late Aquitanian–early Burdigalian)
Unit VII 169R-1, 61, to 171R-CC, 19 662.98–668.66 Deep offshore middle early Miocene (late Aquitanian–early Burdigalian)?

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