SOUTHERN CORDILLERA: SBC (1985) Seismic Lines 1A, 1B, 2, 3A, 3B,
4 and 5

Survey Company: Horkoff Surveys Ltd.
Acquisition Company: Enertec Geophysical
Seismic Lines: 1A and 1B

Source Type: Vibroseis
SP/VP Interval: 200 m
Sweep: 8-40 Hz
Sweep Length: 16 s
Record Length/Sample Rate: 18.816 s, 4 ms

Source Pattern: 4 over 100 m
Sweeps:

Instrumentation: DFS V
Geophone Type: Mark L-28D
Frequency: 14 Hz
Group Interval: 100 m
Number of Geophones in a group: 18
Geophone Spacing:  4.11M

Geophone Pattern: 18 over 70 m

Spread Configuration: (1A, 1B)
           Traces: 1<--------80 * 81--------->120
        Distances: 8200<--->300 0 300<------>4200 (m)

Spread Configuration: (2, 3A, 3B, 4 and 5)
           Traces: 1<--------40 * 41--------->120
        Distances: 4200<--->300 0 300<------>8200 (m)