SI

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.

E3

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.

09CR 137-2.1

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.

AB-2

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.

AI-2

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.

AI-5

Brown sediment with clasts ranging from small to large in size. Grain shape ranges from angular to rounded. Edge-to-edge grain crushing and crushed grains are abundant throughout the sample. There are also many lineations and rotation structures present in this sample. It also contains many small patches of dark organic rich material.

AI-8

Brown sediment with clasts ranging from small to large in size. The grain shape ranges from angular to rounded. Grain crushing is abundant throughout the sample, along with rotation structures surrounding larger clasts. Lineations and and areas of clay can also be seen. A few necking structures are also present.

AI-9

Brown sediment clasts ranging from small to large in size. Clast shape ranges from angular to sub-rounded. Water escape pathways can be seen in this sample. It also contains a fine grained sand domain. Lineations are also commonly seen in this sample. Minor amounts of grain crushing and rotation structures can also be seen.

J.R AI-4

Brown sediment with clasts ranging from small to large in size. The grain shape ranges from angular to sub-rounded. Necking structures and lineations can commonly be seen throughout the sample. Rotation structures and minor amounts of grain crushing/stacking are also present.

J.R WB-3a

Brown sediment with two main domains; a coarse grained domain and a fine grained domain. Clast size in the fine grained domain is mainly small. The coarser domain contains clasts ranging from small to large in size. The clast shape ranges from angular to rounded. Necking structures are commonly seen in the coarser domain. This domain also contains many rotation structures and lineations. The fine grained domain exhibits multiple water escape pathways, along with lineations. There are also minor amounts of grain crushing present within this sample.

J.R WB-6c

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.

J.R WB-7a

Brown sediment with clasts ranging from small to large. Grain shape ranges from angular to rounded. Rotation structures and necking structures are common throughout this sample. Lineations can also be seen throughout the sample, along with minor amounts of grain crushing and comet structures.

J.R. Ai-3

Brown sediment with clasts ranging from small to large. The grain shape ranges from angular to sub-rounded. Rotation structures are abundant in this sample, along with necking structures. Some lineations and comet structures can also be seen. Crushed grains and grain stacks are present in minor amounts.

J.R. AI-5

Coarse brown sediment with clasts ranging from small to large in size. Clast shape ranges from angular to sub-rounded. Grain crushing is abundant throughout the sample. Crushed grains are present and there are also some examples of edge-to-edge grain crushing. Lineations and rotation structures can also be seen.

J.R AI-10

Brown sediment with clasts ranging from small to large. Grain shape ranges from angular to sub-rounded. Rotation structures and lineations are abundant in this sample. Comet structures and grain stacking can also be seen in this sample.