Check the listing for details. Thin-section Mount from DSDP Hole 396B Petrographic Microscope Slide 46-396B-7-1. Listed at 45.00 USD. Thin-section mount of core sample from the Deep Sea Drilling Project (DSDP) Leg 46, Hole 396B, Core 7-1, near Mid-Atlantic Ridge. For viewing under transmitted or polarized light.