960 resultados para Pace, James
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High-resolution geophysical and sediment core data are used to investigate the pattern and dynamics of former ice flow in Kvitøya Trough, northwestern Barents Sea. A new swath-bathymetric dataset identifies three types of submarine landform in the study area (streamlined landforms, meltwater channels and cavities, iceberg scours). Subglacially produced streamlined landforms provide a record of ice flow through Kvitøya Trough during the last glaciation. Flow directions are inferred from the orientations of streamlined landforms (drumlins, crag-and-tail features). Ice flowed northward for at least 135 km from an ice divide at the southern end of Kvitøya Trough. A large channel-cavity system incised into bedrock in the southern trough indicates that subglacial meltwater was present at the former ice-sheet base. Modest landform elongation ratios and a lack of mega-scale glacial lineations suggest that, although ice in Kvitøya Trough was melting at the bed and flowed faster than the likely thin and cold-based ice on adjacent banks, a major ice stream probably did not occupy the trough. Retreat was relatively rapid after 14-13.5 14C kyr B.P. and probably progressed via ice sheet-bed decoupling in response to rising sea level. There is little evidence for still stands during ice retreat or of ice-proximal deglacial sediments. Relict iceberg scours in present-day water depths of more than 350 m in the northern trough indicate that calving was an important mass loss mechanism during retreat.
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Mode of access: Internet.
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F only available in microfiche.
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On verso: Copied from a tin-type. Taken in Yorktown Va., in February 1864, the day of the arrival from the Kilpatrick raid on Richmond at which time I was commanding the 6th Mich. Calvary with the rank of major. Was promoted to Colonel the May following. Age 24. J.W.K.
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President of the University of Michigan, minister to China and Turkey. On verso: Card Imperial By Sam B. Revenaugh, 28 Huron street (Upstairs) Ann Arbor, - Mich.
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Standing (Adults) L-R: Marion Waterhouse Angell (Mrs. J.R.); James Rowland Angell; Andrew C. McLaughlin; Fanny C. Cooley. Angell (Mrs. A.C.); Alexis Caswell Angell; Sarah Caswell Angell (daughter of A.C), Lois Angell McLaughlin
Middle Row: James Waterhouse Angell (son of J.R.), Marion Angell (McAlpin) (daughter of James R.) James Burrill Angell, Isabel McLaughlin
Front Row: Constance McLaughlin (Green); Robert Cooley Angell (son of A.C.); Esther Lois McLaughlin (Donahue) David Blair McLaughlin; Rowland Hazard McLaughlin; James Burrill Angell II (son of A.C.): James Angell McLaughlin