Figure 2

A 320 km subsection of (top) 2D reflection seismic and (bottom) K-means textural clustering of four GLCM seismic texture attributes. Clustering was performed using GLCM textural attributes, mean, dissimilarity, correlation and contrast using 17 different clusters. Clusters 14 to 17 are outliers, representing combinations of attributes that do not represent any meaningful geological features. The relative contribution of each normalized GLCM attributes to each cluster is represented by a dot matrix diagram and associated size guide. While not perfect, the major geological divisions are reasonably well represented. The Table Hill Volcanics can be linked to clusters 6 and 7 and Salt Walls to cluster 8. The clustering provides a valuable aid to interpretation.