SOUTHERN CORDILLERA: SBC (1988) Seismic lines 6 to 19

Survey Company: Sonics Exploration Ltd.
Acquisition Company: Sonics Exploration Ltd.
Directions: 7, 19 (E to W)
            6, 16 (N to S)
            13, 17 (NE to SW)
            15 (S to N)
            8, 9, 9A, 10S9R, 10, 11, 12, 14, 18 (W to E)


Source Type: Vibroseis
SP/VP Interval: 100 m
Sweep: 10-56 Hz
Sweeps: 8
Sweep Length: 14 s
Record Length / Sample Rate: 32 s, 4 ms (uncorrelated)

Source Pattern: 4 Vibrators over 40 m

Instrumentation: DFS-V-FT-1
Geophone Type: Mark L15
Frequency: 10 Hz
Group Interval: 50 M
Number of Geophones in a group: 12
Geophone Spacing: 4.16
Geophone Pattern: 12 over 50 m

Spread Configuration for lines 13, 14, 16
           Traces:    1<-------->160 * 161<-------->240
        Distances: 8100<-------->150 * 150<-------->4100 m

Spread Configuration for lines 6, 7, 8, 9
         Trace: 1<------>160 * 161<------>240
         Distance: 8300  350 0 350      4300 m

Spread Configuration for line 17
        Traces:  1<------>80 * 81<----->240
        Distances: 4100  150   150     8100 m

Spread Configuration for lines 11, 12, 15, 18.
        Traces:  1<------>80 * 81<------>240
        Distances: 4800  350 0 350       8300

Spread Configuration for line 10:
        Traces: * 1<--------->240