Table T19. Differences between depths to key horizons and corrected depths.
 
Seismic horizons Predicted
intersection
(mbsf)
Check-shot
corrected
depth
(mbsf)
Difference
(m)

Base of Sequence 2

230

238

+8

Top of Sequence 6A

311

326

+15

Top of Sequence 7

343

360

+17

Notes: Predicted intersection depths were derived using high-resolution site-survey seismic data stacking velocities. Corrected depths were based on check-shot data and interval transit-time (ITT) data.