Figure F23. Typical bioturbated grayish brown limestone with bands of dark brownish gray clayey limestone of Subunit IIIB (Aptian-Albian; interval 192-1186A-29R-1, 85-110 cm). The darker bands have a woody texture of compacted subhorizontal burrows, anastomosing clay seams, and microflaser chalk.

Figure F23. Typical bioturbated grayish brown limestone with bands of dark brownish gray clayey limestone of Subunit IIIB (Aptian-Albian; interval 192-1186A-29R-1, 85-110 cm). The darker bands have a woody texture of compacted subhorizontal burrows, anastomosing clay seams, and microflaser chalk.