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Burbot (Lota Lota) biogenic sedimentary structures in Lake Superior

Elsevier B.V.
Publication Date
  • Burbot
  • Trace Fossils
  • Sedimentary Structures
  • Superior
  • Lake


Direct observations of burbot (Lotalota), their biogenic structures and excavating behavior were made in July and August of 1985 and 1986 from the research submersible Johnson Sea-Link II (JSL II) at depths from 140 to 366 meters in Lake Superior. Video tapes, of 5 to 30 minutes duration, were made of at least 14 burbots and 25 or more separate biogenic structures in three general sedimentary environments: a) soft, clay-rich muds in the bottoms of the deep basins, b) crescentic clay bank undercuts and slump blocks, and c) “swallow-nest”-like burrows at the base, or within the walls of 1–2 m clay cliffs.

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