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Figure 4A. Type 2 MTC with a sharp planar upper surface marking the sequence boundary, overlain by alternating sandstone and siltstone, Waikorora Stream (Mount Messenger Formation).
Figure 4B. Type 2C MTC at top of photo; Urenui Formation, Wai-iti north. The base of the MTC is the obvious surface in the middle of the image. Underlying slope siltstones contain in situ Paramoudra concretions (an example is being viewed by person in lower right).
Figure 4C. Type 3 MTC at Waiau Stream (Urenui Formation), consisting of subtle open folds within uppermost slope siltstones below a slope-filled channel (exposed farther to the right out of picture). Upper interval (brown) is Quaternary deposits.