
Figure F7. Comparison of natural Th concentration logs. Stacked Multi-Sensor Spectral Gamma Ray Tool (MGT) and Schlumberger gamma ray tool (HNGS) data are shown from 160 to 230 mbsf in Hole 1179D. The correlation is poor and the MGT values are generally 2-6 ppm (70%–80%) lower than the
HNGS.

