Figure F6. A. Subunit IIA microfacies from Sample 194-1192B-9X-1, 140-142 cm, under cross-polarized light. This photomicrograph illustrates a skeletal wackestone with planktonic foraminifers. B. Subunit IIA microfacies from Sample 194-1192B-9X-1, 140-142 cm, under cross-polarized light. This photomicrograph illustrates a skeletal wackestone with planktonic foraminifers. Broken specimen shows evidence of early compaction.