39 resultados para Refining of grain


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Greyish brown sediment with clasts ranging from small to medium in size. Clast shape ranges from sub-angular to rounded. Lineations and rotation structures can be seen scattered throughout the sample. Comet structures can also be seen in certain areas of the sample. Minor amounts of grain crushing and stacking can also be seen.

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Brown sediment with clasts ranging from small to large in size. Clast shape ranges from sub-angular to sub-rounded. Many larger clasts appear fractured and/or weathered. Lineations and rotation structures can be commonly seen. Comet structures are also present. Minor amounts of grain crushing and stacking can also be seen.

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Dark brown sample with clasts ranging from small to large in size. The clast shape ranges from angular to sub-rounded. Lineations can be commonly seen throughout the sample, along with comet structures. A few necking structures can also be observed. The most notable necking structure is between a few very large clasts. Minor amounts of grain crushing can be seen.

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Dark brown sediment with clasts ranging from small to large. Clast shape ranges from angular to sub-rounded. Rotation structures and comet structures can be commonly seen throughout the sample. Lineations along with minor amounts of grain crushing can also be seen in this sample.

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Dark grey sediment with clasts ranging from small to large. Clast shape ranges from angular to sub-rounded in shape. Lineations are abundant in this sample. Comet structures can also be seen . There are minor amounts of rotation structures in this sample, and some clasts have faint rotation structures surrounding them. Minor amounts of grain crushing can also be seen.

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Brown sediment with clasts ranging from small to large. Clast shape ranges from angular to rounded. Lineations and comet structures are abundant throughout this sample. It also contains rotation structures and minor amounts of grain crushing.

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Brown sediment with clasts ranging from small to large in size. Clast shape ranges from angular to rounded. Lineations and rotation structures were abundant in this sample, Rotation structures were seen with and without central grains. Comet structures were also present in this sample along with minor amounts of grain stacking.

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Brown sediment with clasts ranging from small to medium in size. Clast shape ranges from angular to sub-rounded. Rotation structures and comet structures are commonly seen throughout this sample. Lineations are also common. Minor amounts of grain stacking can also be seen. Some grains appear to be fractured and/or weathered.

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Brown sediment with clasts ranging from small to large. Clast shape ranges from angular to sub-rounded. Lineations and rotation structures are scattered throughout the entire sample. Comet structures are also present. Minor amounts of grain stacking can also be seen.