Moss and Merguerian 2006 - LOADING BY GLACIAL ICE... -
[Cached Version]
Published on: 4/22/2006
Last Visited: 7/3/2008
Cross-section of the study site along the south side (parallel to Beekman Street) based on borings lettered E, F, G, and H along top.
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The strata are F = fill, S = outwash sand, V = varved silt and clay, G = coarse sand with gravel, T = basal till, DR = decomposed rock, R = bedrock.The * indicates a distinct sample of till outside of the basal till stratum, +g indicates a sample of very fine grained soil containing gravel, · indicates an area of rig chatter during drilling that generally means gravel, cobbles, and/or boulders are present at that elevation.Coarse-grained sediments, including till and gravel are found at the base of both varved layers.In all of the borings the N-values increase significantly below elevation -15 feet.In borings E and H the values increase below till at the base of the upper varved strata and in borings F and G it increases below soil containing very coarse sediments.The change from low to high N-values is shown by the thin red line.V.E. = 1.5X.
Figure 5.
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The strata are F = fill, S = outwash sand, V = varved silt and clay, G = coarse sand with gravel, T = basal till, DR = decomposed rock, R = bedrock.
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Edwards, M. B., 1978, Glacial Environments: in Sedimentary Environments and Facies, H. G. Reading, editor, Elsevier, New York, p. 416 - 438.