Figure 3. Excerpt from the 3-D Parihaka seismic dataset, Taranaki Basin, showing an example of the Giant Foreset Formation. For an assumed generalized velocity of 4500 m/s and an assumed dominant frequency of 50 Hz, the vertical resolution of the data is about 23 meters. Data set courtesy of Gerald A. Morton and Pogo Producing Company (now Plains Exploration and Production Company).