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Northeast U.S Canyons 2013
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Voyage
Ocean Exploration
Modern Expeditions
OER
2013 Northeast US Canyons Expedition
Ocean Exploration
A spur projecting out from the canyon wall with numerous brisingid sea stars.The layer cake nature of the stratigraphy is evident in this image.
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Large burrows in sedimentary rock.
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(1.75 MB)
A crevice provides a home for acesta clams. Sponges and Solenosmilia coralare seen on the vertical wall.
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(1.59 MB)
A xenophyophore sits to the left of a large hole in the canyon wall, possibly aresult of bio-erosion.
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Differential erosion leaves ledges and recesses that provide homes for cupcorals, acesta clams, various corals and sponges.
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En echelon fracturing along canyon wall showing a relatively new rock surface.A large brittle star and a few sponges are seen. Small life forms arecolonizing the relatively fresh rock surface.
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Sediment dug from this burrow has a different texture and color from theseafloor material. Possible markings from crabs or other legged biota seen aslittle rectangular indentations in sediment.
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Another example of en echelon fracturing. These appear to be much older than the surfaces seen in expl0819.
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Relatively recent fractured rock surface. However, the surface is old enough to be colonized by large anthomastus corals, cup corals, and other biota.
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A red crab (Chaceon quinquedens) in a sediment chute.
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A large block of rock that has broken off the canyon wall and resides at thebase of an escarpment. It is being colonized by anthomastus corals and othersmall biota.
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A differentially eroded cliff with the more resistant layers protruding outward.Corals, acesta clams, and other biota are seen.
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Boulders in an area of landslide debris. This landslide is relatively old fromthe appearance of associated biota and amount of sediment covering theboulders.
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An area of failure with boulders and and large blocks of rock having sloughedoff the canyon wall.
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An eroded sediment chute in the canyon wall. The white pathways may be fromsediment sliding down the chute or possible from longline fishing gear rubbingagainst the wall.
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A sediment chute with a rock wedged in it. The finer sediment appears to bedammed behind the rock. The white trail seems to end at the sediment androck as well.
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Sediment covered mudstone? with many large holes and collapse features betweenholes.A small natural stone arch is seen. Bio-erosion? Chemicalerosion? what could cause this?
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Two sediment chutes cut into the canyon wall. The one to the right has cobble-size stones and fine sediment, while the one to the left only has finesediment in the field of view.
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Sediment chute with rock and sediment.
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Two sediment chutes cut into the canyon wall. The one to the right has cobble-size stones and fine sediment, while the one to the left only has finesediment in the field of view.
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(1.52 MB)
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