ODP logging contractor: LDEO-BRG
Well name: 859B
Leg: 141
Location: Chile Triple Junction (SE Pacific)
Latitude: 45° 53.72' S
Longitude: 75° 51.33' W
Logging date: December, 1991
Bottom felt: 2760 mbrf
Total penetration: 476.1 mbsf
Total core recovered: 169.67 m (46 %)

VSP TOOL USED: WST (Well Seismic Tool)

Acquisition Transit Time: Time between shot firing (as recorded by blast phone) and first break. The shot is fired ~12 milliseconds after start of recording. 

VSP STACK SUMMARY LISTING (one-way transit times)

DEPTH	ACQUISITION_TRANSIT_TIME
(mbsf)	(ms)
262.076	2036.13257
458.688	2119.57983
451.434	2112.20776
440.4	2104.71777
419.064	2095.10645
400.76	2068.68774
294.111	2046.73083