Figure F15. Core photographs and thin section photomicrographs of glauconitic limestone beds. A. Section 317-U1351B-19X-CC (top depth = 147.23 m). B. Section 317-U1351B-22X-CC (top depth = 174.90 m). C. Thin section of Sample 317-U1351B-19X-CC, 25–27 cm, showing glauconite infilling fossil void spaces. D. Thin section of Sample 317-U1351B-19X-CC, 25–27 cm, showing glauconite alteration of echinoderm plate and sparry calcite infilling a foraminifer. E. Thin section of Sample 317-U1351B-22X-CC, 21–23 cm, showing glauconite infilling borings on an eroded shell fragment.
Previous | Close | Next | Top of page