Fig. 7From: Aalenian to Cenomanian Radiolaria of the Bermeja Complex (Puerto Rico) and Pacific origin of radiolarites on the Caribbean PlatePhotograph of the Early Cretaceous radiolarite, which crops out in 2–15 cm boudinaged layers of dark green to black radiolarian cherts rich in organic matter that weather orange (samples PR-SB26, PR-SB27, and PR-SB28)Back to article page