955 resultados para fractured bedrock aquifers


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Coarse grained sediment with fine grained domains throughout. The clasts in the coarse grained domain range from sub-angular to sub-rounded. Short distance lineations are present throughout the sample. Organic rich domains (darker) are prevalent alongside fractured grains.

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Dark brown sediment with sub-angular to sub-rounded grains, that range from small to medium in size. Lineations with fractured grains are abundant, and grain crushing can also be seen. Minor rotation can also be seen.

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Dark brown sediment with sub-angular to sub-rounded clasts. Rotation structures and lineations are common. Clasts ranging from small to large in size. Many large grains are fractured. Minor amounts of grain stacking and crushing can be seen. A few clay and organic rich domains can be seen.

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Coarse grained sample with clasts that range from small to large in size. The clast shape ranges from angular to rounded, and many grains are fractured. Grain crushing is present in large amounts. This includes edge-to-edge crushing as well as grains that are crushed into one another. Rotation structures are also common among the clasts that are sub-rounded to rounded. Areas of finer sediment can also be seen.

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Coarse grained sample, with grains ranging from small to large in size. Shapes range from angular to rounded. This sample is abundant in lineations, and rotation structures can also be seen around larger aggregates. Many large grains are fractured and minor grain stacking can also be seen.

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Brown sediment with grains ranging from small to large. The clast shape of this sample ranges from sub-angular to sub-rounded. Grain crushing can be seen in large amounts, and commonly involves the larger grains. Many of the larger grains are also fractured. Lineations and comet structures can also be seen.

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Light brown sample with clasts ranging from small to large. The clast shape ranges from sub-angular to sub-rounded. Grain crushing is common in this sample and mainly involves the larger clasts. Many grains are also crushed into one another. The larger grains are also fractured. Lineations and faint water escape structures can also be seen. This sample also contains a finer grained domain, darker in colour.

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Coarse brown sediment, with clasts ranging from small to large in size. Clast shape ranges from sub-angular to rounded. Lineations and grain crushing are common throughout the sample. It also contains comet structures and a few rotation structures. Many of the larger clasts are also fractured.

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Dark brown sediment with clasts ranging from small to large. The clasts range from angular to sub-rounded in shape. The sample mainly contains edge-to-edge grain crushing and rotation structures. Many grains are fractured and a few necking structures can also be seen.

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This sample contains grains that range from small to large in size. The clast shape ranges from angular to rounded. Many grains are fractured and grain crushing is commonly seen. A few necking structures and rotation structures can also be seen.

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This sample contains clasts that range from small to large. A few fractured grains can be seen. The grain shape ranges from angular to rounded. Rotation structures can be seen throughout the sample along with some edge-to-edge grain crushing.

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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. Many of the larger clasts are fractured. Grain crushing is abundant throughout the sample. A few lineations can also be seen throughout the sample.

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Brown sediment with three main domains; two different fine grained domains and one coarse grained domain. The fine grained domains can be distinguished based on the abundance of organic material (darker). Both domains contain lineations. The coarse grained domain contains clasts ranging from small to medium in size and angular to rounded in shape. Rotation structures, lineations and comet structures can be seen in this domain. It also contains some fractured grains.

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Dark brown sediment with clasts ranging from small to large in size. Clast shape ranges from angular to sub-rounded. Lineations and rotation structures can commonly be seen throughout the sample. Comet structures, grain crushing, and fractured grains 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.