Figure F22. Natural gamma radiation for Hole 1221A and Cores 199-1221B-1H (0-4.2 mbsf) and 199-1221C-11X (150.6-154.6 mbsf). Most data below 25 mbsf are at or near background levels. Lithologic Units I-IV are noted on the right side of the figure. cps = counts per second.

Figure F22. Natural gamma radiation for Hole 1221A and Cores 199-1221B-1H (0-4.2 mbsf) and 199-1221C-11X (150.6-154.6 mbsf). Most data below 25 mbsf are at or near background levels. Lithologic Units I-IV are noted on the right side of the figure. cps = counts per second.