Skip to main content
Progress in Earth and Planetary Science

Table 1 Coring tool types and bit sizes with the depths of the assembly used for hole C0023A

From: In-situ mechanical weakness of subducting sediments beneath a plate boundary décollement in the Nankai Trough

Hole C0023A

Top (mbsf)

Bottom (mbsf)

Coring type

Bit size-out (in)

Bit size-in (mm)

Center bit

189.0

305.0

HPCS

11–7/16

61

–

305.0

314.5

ESCS

11–7/16

61

–

314.5

318.5

HPCS

11–7/16

61

–

318.5

353.0

ESCS

11–7/16

–

✓

353.0

361.0

HPCS

11–7/16

61

–

361.0

403.0

ESCS

11–7/16

–

✓

403.0

407.5

ESCS

11–7/16

61

–

407.5

410.5

HPCS

11–7/16

61

–

410.5

TD

RCB

10–5/8

61

–

  1. HPCS hydraulic piston coring system, ESCS extended shoe coring system, RCB rotary core barrel coring, TD whole total vertical depth
Back to article page