ODP Leg 182: Great Australian Bight:

Cool Water Carbonates

Figure 5

Hole 1127B: FMS image from Subunit 1B showing a number of highly conductive features (darker coloured) interpreted as water filled pock-marks in the borehole wall. The pock marks could have been formed by a gas pocket expelling gas into the borehole. Individual pock-marks are 5 to 8 cm across.