22-1/H50-3/4 Vertical scale: 1000

I50/B1-68

H50/B1-76

Legacy product - no abstract available

22-2/D51-16/4-6 Vertical scale: 300

Includes copy of AGSO Record 1997/20

55% coverage to sth east 22-1/E51-2/9 Vertical scale: 100

22-2/D52-14/2-6 Contour interval: 100

Seismic interval velocities derived from stacking velocities can provide some clues to determination of rock lithology. This concept has been applied to understand the divergent dipping reflector (DDR) and seaward dipping reflector (SDR) packages over the Wallaby Plateau and Wallaby Saddle that were imaged on the 2008/2009 seismic survey GA310 contracted by Geoscience Australia. Root mean square velocities (Vrms) used to calculate interval velocities (Vint) were derived from long cable data. Vrms were picked on traces after pre-stack time migration, and the 4th order normal move-out (NMO) correction was implemented. Therefore, distortions to interval velocities due to insufficient curvature of NMO curve at short offsets, structural dip and ray bending due to stratification are assumed to be largely suppressed. Consequently Vrms velocities are assumed to approximate average velocities.

22-1/H51-7/4