Ocean Drilling Program: Leg 203 Scientific Prospectus

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Table T1. Summary of holes drilled in "normal crust" on the Pacific plate with an age <100 Ma and penetration into basement >10 m.

Age Basement Sediment

Site/Hole Leg (Ma) Location penetration thickness

163 DSDP 16 72.0 11°N, 150°W 18 m 176 m

420 DSDP 54 3.4 09°N, 106°W 29 m 118 m

421 DSDP 54 3.4 09°N, 106°W 29 m 85 m

429A DSDP 54 4.6 09°N, 107°W 21 m 31 m

469* DSDP 63 17.0 33°N, 121°W 58 m 391 m

470A DSDP 63 15.0 29°N, 118°W 48 m 167 m

471 DSDP 63 12.0 23°N, 112°W 82 m 741 m

472 DSDP 63 15.0 23°N, 114°W 25 m 112 m

597B** DSDP 92 29.0 19°S, 130°W 25 m 48 m

597C† DSDP 92 29.0 19°S, 130°W 91 m 53 m

599B DSDP 92 8.0 19°S, 120°W 10 m 41 m

843B‡ ODP 136 95.0 19°N, 159°W 71 m 243 m

Notes: * = At the foot of Patton Escarpment. † = A reentry cone was emplaced at this site. ‡ = The location of Site OSN-1. ** = This hole is in crust generated by fast spreading (55 mm/yr half rate). Data are from table 1 of the Leg 200 Scientific Prospectus.

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		Age		Basement	Sediment
Site/Hole	Leg	(Ma)	Location	penetration	thickness
163	DSDP 16	72.0	11°N, 150°W	18 m	176 m
420	DSDP 54	3.4	09°N, 106°W	29 m	118 m
421	DSDP 54	3.4	09°N, 106°W	29 m	85 m
429A	DSDP 54	4.6	09°N, 107°W	21 m	31 m
469*	DSDP 63	17.0	33°N, 121°W	58 m	391 m
470A	DSDP 63	15.0	29°N, 118°W	48 m	167 m
471	DSDP 63	12.0	23°N, 112°W	82 m	741 m
472	DSDP 63	15.0	23°N, 114°W	25 m	112 m
597B**	DSDP 92	29.0	19°S, 130°W	25 m	48 m
597C†	DSDP 92	29.0	19°S, 130°W	91 m	53 m
599B	DSDP 92	8.0	19°S, 120°W	10 m	41 m
843B‡	ODP 136	95.0	19°N, 159°W	71 m	243 m

Notes: * = At the foot of Patton Escarpment. † = A reentry cone was emplaced at this site. ‡ = The location of Site OSN-1. ** = This hole is in crust generated by fast spreading (55 mm/yr half rate). Data are from table 1 of the Leg 200 Scientific Prospectus.