Sample ID --- 41-53BS Activity ID --- D-1-85-AR Platform --- Discoverer Sampling equipment --- Boxcore Time --- 19852691819000 Description of location --- Chukchi Sea Latitude --- 71.43667 Longitude --- -161.36000 Water depth --- 49 m Penetration depth --- 0.57 m Additional comments --- Second of three box cores at this depth Description of the surface --- Surface thickness --- 6 Sediment texture --- Fine oozey mud. Sedimentary surface features --- Bioturbated with tube worms causing only relief. Most abundant living fauna --- Amphipods, shrimp, Mycoma sp., many worm traces (none with reinforced tubes). Bivalve shells were oriented --- Concave. Additional comments --- Typical ooze, tubes had relief of 3-5 cm above normal surface. Description of depositional interval from 6 cm to 15 cm --- Color of unit --- Olive grey. Sediment texture --- Semi-consolidated silty mud. Sedimentary structures --- Massive. Bedding features --- None. Percent of bioturbation --- 100% Paleontologic observation --- Active bioturbation, Retus, Macoma, reinforced sand tubes. Description of depositional interval from 16 cm to 46 cm --- Color of unit --- Olive grey. Sediment texture --- Consolidated mud. Sedimentary structures --- Massive - active bioturbation and reworking of unit. Bedding features --- None. Percent of bioturbation --- 100% Paleontologic observation --- Worm burrows - open and filled, a single Macoma (in-situ), tube anemone. Description of depositional interval from 46 cm to 57 cm --- Color of unit --- Black. Sediment texture --- More consolidated mud. Sedimentary structures --- Massive. Bedding features --- None. Percent of bioturbation --- 100% Paleontologic observation --- Scattered shell fragments, open and filled burrows. Additional comments --- Core recorded by G. Redden.