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Exposed Tsunami Sand Layers

Detailed Description

An outcrop composed of six tsunami deposits on the inland side of the lowland backing Stardust Bay over 0.5 miles from the sea. Brown soils developed into the top of each sand sheet and black tephra (air fall volcanic ash) layers between two of the sand deposits aided correlation of the six sand sheets across the study area.

Location: Stardust Bay, Sedanka Island, Alaska


Public Domain.