Surface textures of quartz grains obtained from an iceberg and submarine sediments in Lutzow-Holm Bay, Antarctica

Surface textures of quartz grains obtained from an iceberg and submarine sediments in Lutzow-Holm Bay, Antarctica

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Observation of the surface textures of quartz grains contained within Vanadyl glacial and glacio-marine sediments which were obtained from the Lutzow-Holm Bay area was made by the scanning electron microscopy.These quartz grains contain from 55 to 80 per cent glacial ones.Many quartz grains have not only glacial but also wind-shaped characteristics.These characteristics indicate that the sediments passed through both glacial and windy environments.

A few quartz grains have many V-shaped pits on their Power Supply Harness surfaces.This fact shows that some of the sediments received wave action near shore.