85 resultados para fractured grains


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Coarse grained section with two different fine grained domains. Towards the left hand side the domain is dark and has no inclusions of coarse grains. The right hand side has some coarser materials.

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Major grains crushing towards the top left with two fine grained domains in coarse grained sediment.

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Coarse grained sample with multiple fine grained domains. Clasts range from small to medium and sub-angular to sub-rounded. Mainly contains grain crushing (with grains crushed into one another) and short distance lineations. A few rotation structures are seen and fine grained sand domains can also be seen.

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A coarse grained sample with clay rich domains. Grains range from small to medium and are sub-angular. Rotation structures can be seen around sub-rounded clasts. Lineations can be seen throughout the image, mainly short distance lineations. Small comet structures can also be seen throughout the images.

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Coarse grained sample with grains varying from small to medium in size. They range from sub-angular to sub-rounded in shape. The sample is abundant in lineations and comet structures. Minor amounts of grain stacking are present. Inclusions of a clay rich, fine grained domain.

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Dark brown sediment with mainly small grains. Clasts are sub-angular. Abundant in lineations, grain stacking, and minor grain crushing. Lineations are oriented in multiple directions.

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Dark brown sediment with clasts ranging from small to large. The grains are sub-angular. Two main domains can be seen. Both are coarse grained, but one contains larger grains and potentially more clay material. Lineations are present throughout the sample in multiple directions. Minor rotation around a few larger clasts can be seen, as well as comet structures.

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Coarse grained brown sediment with angular-sub-angular grains. Contains mainly medium sized clasts with a few smaller aggregates. A dark organic rich domain can be seen within this sample. Grain crushing (edge-to-edge and into one another) can be seen alongside with grain stacks, and silt caps.

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Coarse grained sample with clay stained domains. Grains range from small to medium in size and are sub-angular. Lineations, weathered grains, and minor grain stacking.

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Coarse grained sediment with clasts ranging from small to medium in size. Clast shape range from sub-angular to sub-rounded. Lineations are present throughout the sample. Edge-to-edge grain crushing, grain stacking, and comet structures can also be seen. Some grains are crushed into one another. Areas of finer sediment can also be seen.

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This is a dark grey, coarse grained sediment with inclusions of fine grained sand. Lineations and grains stacking are the most common features seen, along with grain crushing (mainly edge-to-edge). A few minor rotation structures can also be observed with comet structures.

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Dark grey sediment with medium to small sized grains. The grains are sub-angular in shape. Rotation structures and grain crushing are the most common microstructures seen. Dark organic material and lineations can also be seen.

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Dark brown sediment with clasts ranging from small to large. Grains are sub-angular in shape. Faint water escape structures are present.

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Light brown, coarse grained sample with grains ranging from small to medium in size. The clast shape ranges from sub-angular to sub-rounded. Edge-to-edge grain crushing is present in large amounts throughout the sample. Lineations can also be seen throughout the sample.

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Brown and coarse grained sample with grains ranging from small to large in size. The clast shape ranges from sub-angular to sub-rounded. Lineations are abundant throughout the sample. Minor amounts of grain crushing/stacking can also be seen. A few rotation structures are also present throughout the sample.