Figure F5. Blue epoxy-filled primary interparticle, primary intraparticle (within foraminifers), and secondary intraparticle (dissolution of siliceous sponge spicules) microporosity (Sample 210-1276A-9R-5, 118 cm). Area is a sandy burrow fill with a mixture of detrital grains including quartz, plagioclase, muscovite, glauconite, and coarse carbonate, as well as a variety of foraminifers. A. Plane-polarized light. B. Cross-polarized light.