Figure F15. Main macroscopic and microscopic characteristics of Unit 5. A. Interval 203-1243B-11R-1, 11-20 cm. B. Sample 203-12437B-11R-1, 51-53 cm (XPL; field of view = 2.75 mm; photomicrograph 1243B-14). C. Sample 203-1243B-11R-1, 51-53 cm (XPL; field of view = 2.75 mm; photomicrograph 1243B-13). D. Sample 203-1243B-10R-2, 12-15 cm (XPL; field of view = 2.75 mm; photomicrograph 1243B-12). E. Sample 203-1243B-10R-2, 12-15 cm (PPL; field of view = 2.75 mm; photomicrograph 1243B-11).