Figure F2. Core photograph of Core 178-1098A-6H. Darker laminae are composed of orange-brown diatom ooze, and lighter laminae are composed of blue-gray diatom-bearing terrigenous silt and clays. Prominent dropstones in interval 178-1098A-6H-3, 65-75 cm, mark the boundary between the postglacial, hemipelagic "laminated unit" above and the glacial to early postglacial diamict below.