Log stratigraphy at Hole 1265A. (a) Hole shape and computed gamma ray (CGR), (b) total gamma ray (SGR) and uranium contribution (URA), (c) potassium (FK) and thorium (THO) contributions to natural radioactivity, (d) deep (IDPH), intermediate (IMPH) and shallow (SFLU) resistivities, (e) porosity (APLC) and capture cross-section (SIGF), (f) formation density (RHOM) and photoelectric factor (PEF), (g) downhole compressional velocities (VP), (h) log sub-units.