Figure F22. Microfacies of nannofossil limestone with foraminifers from lower Subunit IIIB (Sample 192-1186A-30R-1, 28-31 cm; late Albian) (field of view = 2.8 mm; plane-polarized light; photomicrograph ID# 1186AS_20). Small brownish semiopaque grains are common and may be Fe oxyhydroxide.

Figure F22. Microfacies of nannofossil limestone with foraminifers from lower Subunit IIIB (Sample 192-1186A-30R-1, 28-31 cm; late Albian) (field of view = 2.8 mm; plane-polarized light; photomicrograph ID# 1186AS_20). Small brownish semiopaque grains are common and may be Fe oxyhydroxide.