Figure F70. Close-up of very finely laminated black shale with planar siltstone laminae and a small siltstone lens (at 95 cm). See text for alternate hypotheses concerning the origin of these laminated sediments (Subunit 5B: interval 210-1276A-43R-2, 86-119 cm).

Figure F70. Close-up of very finely laminated black shale with planar siltstone laminae and a small siltstone lens (at 95 cm). See text for alternate hypotheses concerning the origin of these laminated sediments (Subunit 5B: interval 210-1276A-43R-2, 86-119 cm).