1000 resultados para Comet structures, lineations


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Brown sediment with clasts ranging from small to medium in size. Clast shape ranges from angular to sub-rounded. Lineations are the most common micro-structure in this sample. Grain crushing/stacking can also be observed in multiple areas of the sample. There are also a few darker organic rich areas present. Comet structures are present in minor amounts.

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Brown sediment with clasts ranging from small to large in size. The clast shape varies between angular and rounded. Rotation structures and necking structures are abundant throughout this sample. Rotation structures can be seen with and without a central grain. Comet structures, grain crushing, and lineations can also be seen in minor amounts.

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Dark brown sediment with clasts ranging from small to large in size. The clast shape ranges from angular to sub-rounded. Clasts appear fractured, weathered, and are well dispersed. Lineations and rotation structures are commonly seen throughout the sample. A few comet structures and grain stacks can also be seen.

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Brown sediment with clasts ranging from small to large in size. Clast shape ranges from angular to rounded. Comet structures can be seen commonly throughout the sample, along with lineations. There are several patches of clay rich sediment throughout the sample. There are also minor amounts of rotation structures and grain crushing.

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Dark brown sediment with clasts ranging from small to large. Clast shape ranges from angular to rounded. Rotation structures are abundant in this sample and mainly occur around medium sized and large aggregates. Comet structures can also be seen throughout the sample. Lineations and minor amounts of grain crushing can also be seen.

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Brown sediment with clasts ranging from small to large in size. Clast shape ranges from angular to sub-rounded. Rotation structures are common in this sample, especially around larger clasts. Lineations and grain crushing is also present within this sample. A few comet structures can also be seen.

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Coarse grained sediment with clasts ranging from small to large. Clast shape ranges from angular to rounded. Lineations are abundant throughout the sample, along with rotation structures. Some comet structures and grain crushing can also be seen throughout the sample. Rotation structures can mainly be seen around larger clasts.

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Brown sediment with clasts ranging from small to large. Clasts range from angular to sub-rounded in shape. Rotation structures are common, and are mainly seen around larger clasts. Lineations are also present throughout. A few necking structures and comet structures can also 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 are abundant throughout the sample. Lineations, comet structures, and grain crushing can also be seen in this sample.

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Dark brown sediment with clasts ranging from small to large. Clasts range from angular to sub-rounded. Lineations are abundant in this sample, along with comet structures. Grain stacks and rotation structures can also be seen in minor amounts.

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Brown sediment with clasts ranging from small to large. Clast shape ranges from angular to sub-rounded. Rotation structures are abundant throughout the sample. Necking structures can also be seen, along with lineations. Many areas also contain crushed grains and comet structures.

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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 common. This sample also contains crushed grains, edge-to-edge grain crushing and grain stacking. Many comet structures can also be seen throughout the sample.

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Brown sediment with clasts ranging from small to large in size. Clast shape ranges from sub-angular to sub-rounded. The clasts are generally well dispersed, with a few areas of closer aggregates. Lineations are common throughout the sample. A few rotation structures and a few areas of edge-to-edge grain crushing can also be seen. Comet structures can also be seen in very minor amounts.

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Brown sediment with clasts ranging from small to large in size. Clast shape ranged from angular to rounded. Lineations and rotation structures can be seen throughout the sample. Rotation structures are common around medium and large sized clasts. Some comet structures , grain stacking, and crushed grains can also be seen in minor amounts. This sample also contains areas with clay and dark organic rich material.

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Brown sediment with clasts ranging from small to large in size. Grain shape ranges from angular to rounded. Lineations are abundant within this sample. Rotation structures can also be seen. Necking structures, comet structures, and grain crushing can also be seen in minor amounts.