Figure F15. Close-up photograph of skeletal floatstone containing bryozoan fragments and large bivalves (interval 194-1197B-64R-1, 19-36 cm). Small pebbles of volcanic rock are also observed in a matrix of fine skeletal detritus, quartz, and glauconite.

Figure F15. Close-up photograph of skeletal floatstone containing bryozoan fragments and large bivalves (interval 194-1197B-64R-1, 19-36 cm). Small pebbles of volcanic rock are also observed in a matrix of fine skeletal detritus, quartz, and glauconite.