Figure F13. Interval 192-1185A-9R-4, 83-101 cm, showing the boundary between Unit 2 and Subunit 3A at 92 cm. Unit 2 is a dark gray basalt with spherulites. Subunit 3A is composed of limestone (Cretaceous) with fragments of slightly altered to unaltered glassy basalt.

Figure F13. Interval 192-1185A-9R-4, 83-101 cm, showing the boundary between Unit 2 and Subunit 3A at 92 cm. Unit 2 is a dark gray basalt with spherulites. Subunit 3A is composed of limestone (Cretaceous) with fragments of slightly altered to unaltered glassy basalt.