Table 1 Acquisition parameters of the GRAME 3D seismic

Survey area

171.906 km\(^{2}\)

Seismic source

3x AHV-IV PLS362 vibrators

Source spacing

50 m

Source line distance

400–500 m

Sweep

12–95 Hz, linear

Sweeps per source point

9 for each of the 3 vibrators

Receiver type

Geophon Sercel JF-20DX

Receiver group spacing

50 m

Receiver line distance

400–500 m

Recording system

Sercel 428 XL

Record length

5 s