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Showing 1 to 20 of 50 for “"outwash"”.
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Glacial geology of northern Logan County, south-central North Dakota
… southwest of the Coteau include ground moraine, outwash plains, outwash topography of high relief, small kames, saltwater channels, and glacial Lake Napoleon strandlines and clay plain. Landforms in the Missouri Coteau part of northern Logan County are dead-ice moraine, Long Lake, Burnstad, and …
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The glacial geology of eastern Sheridan County, North Dakota
… the Burnstad drift by a large partly collapsed outwash plain on the distal side of a pronounced ground moraine and poorly integrated drainage, is separated from the Streeter drift by the Lincoln Valley and moraine and the Missouri Coteau escarpment.</p> <p>Total ablation of the Grace City ice in …
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Reconstructing the depositional history of the Eel River paleo meltwater channel, northeastern Indiana using sediment provenance techniques
The outwash deposits of the Eel River paleo meltwater channel in DeKalb and Allen Counties, Indiana predominantly originated from the Erie Lobe of the Laurentide Ice Sheet, but do contain some sediment from the Saginaw Lobe. This determination helps clarify the ice dynamics and Last Glacial Maximum …
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The surficial geology of north-central Kidder County, North Dakota
… drift occurs north of Tuttle and Robinson, and outwash to its south indicates melting was the dominant process. Local stagnation formed pitted outwash, especially along the borders of the stagnating ice.</p> <p>First Mankato deposits are not exposed in the area. Second Mankato deposits are …
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The surficial geology of southern Logan County, North Dakota
… moraine, recessional moraines, ground moraine, outwash plains, meltwater channels, and ice-contact features were mapped. Great areas of “dead ice” or stagnation moraine are found in the central and eastern parts of the area.</p> <p>Evidence in the form of large perched lake plains, outwash …
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Stratigraphy, Two-Dimensional Geometry and Internal Sedimentary Structure of Hyaloclastite Deposits in the Siða Formation, SE Iceland; Implications for Mechanisms of Emplacement
… documented in flood sequences on nearby glacier outwash plains. In contrast, lensoid hyaloclastite units are characterised by large u-/v- shaped bodies, which thin towards the margins. Large-scale clinoforms on the margin of a hyaloclastite lens at Location 2 resembles point bar formation in a …
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Pleistocene geology of the Comstock-Sebeka area, west-central Minnesota
… types of morphology present in the district. The Outwash District is underlain largely by sand and gravel that was deposited by rivers that flowed on top of and from melting glacier ice. The characteristic morphology of the district includes collapsed outwash topography and pitted outwash …
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Pleistocene geology of northern Kidder county, North Dakota
… loop is essentially of clay till. Deposition of outwash accompanied the formation of these end moraines. Mechanical analysis were made of outwash and ice-contact drift, and results are included in the report. A small amount of ground moraine was deposited by Mankato ice in the northeastern part …
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Glacial geology of western Wells County, North Dakota
… is characterized by and moraine, ground moraine, outwash, and meltwater channels.</p> <p>Two directions of ice advance are evident in western Wells County, one from the northeast and the other from the northwest. However, heavy mineral analyses of till indicate that the center of accumulation did …
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Quaternary geology of the southern part of the Grand Forks and Bemidji quadrangles
… Province, the Glacial-Upland Province, and the Outwash Province. The Lake-Plain Province in the western part of the study area is a rather flat, featureless plain that is largely underlain by laminated silt and clay. The surficial sediments of the Shbreline-Complex Province (located just east of …
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Surficial geology of the southern half of Griggs County, North Dakota
… ice-contact stratified drift, the sand unit or outwash plain deposits, and the slightly stony sandy loam or glacial till. The most widely distributed unit is the slightly stony sandy loam with approximately 9% gravel, 35% sand, 31% silt, and 25% clay withan average composition (mid-range values) …
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Surficial geology of northern Griggs County, North Dakota
… four Pleistocene drift sheets, separated by outwash deposits. These drift sheets lie unconformably on the Cretaceous Pierre Shale which is exposed in the Sheyenne River valley and the Binford Hills. Because the drift sheets have similar lithologic and physical characteristics, and are all …
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Stratigraphy, magnetic susceptibility, and mineralogy of loess-paleosol sequences in southwestern Illinois and eastern Missouri
… greater contributions from Superior Lobe outwash. Middle Peoria and upper Loveland Silts (MS = 20-55 $\times\ 10\sp{-5}$) and upper Peoria Silt (MS = 40-60 $\times\ 10\sp{-5}$) have low MS, probably reflecting dilution by Lake Michigan Lobe outwash upon maximum advance of glaciers in …
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The late glacial and post glacial history of the Vale of Pickering and northern Yorkshire Wolds
… field and analysed in the laboratory. A glacial outwash rather than lake-beach origin was proved for an important group of these sediments. The sedimentary data from the Vale of Pickering showed that ice had undoubtedly advanced further into the area than had been envisaged by Kendall at the turn …
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Glacial geology of western Sheridan County, North Dakota
… end moraine, disintegration ridges, collapsed outwash topography, ice-walled-lake plains, eskers, and remnant ice-walled channels. Landforms of the Sheyenne River district and the Martin subdistrict include end moraine, ground moraine, washboard moraines, collapsed outwash topography, eskers, …
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Drumlins in North Dakota
… observed in North Dakota are cored with glacial outwash deposits but exceptions do exist. Drumlins cored with Pierre shale occur north of Langdon, North Dakota, and till-cored drumlin ridges are present .south of Devils Lake, North Dakota. Longitudinal ridges that are generally less than 5 feet …
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The Geology of Pingree SW Quadrangle Stutsman County, North Dakota
… occur in the form of esker, kames, and outwash.</p>
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Palaeoceanographic conditions and palaeoproductivity changes from the sub-Antarctic island South Georgia since the late deglacial, using marine micropalaeontology and geochemistry
… laminae deposited from late summer glacial outwash and ice-rafted debris. This depositional setting is consistent with a calving-bay re-entrant formed during rapid deglacial ice retreat, supporting the interpretation that South Georgia reached the shelf edge in places during the Last Glacial …
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Evidence for Glacial Outburst Floods along the Lower Flathead River: Results from Geologic Mapping, Geomorphologic Analysis and a Gravity Survey near Polson, Montana
… (FHL)of the Cordilleran Ice Sheet and associated outwash environments, Glacial Lake Missoula (GLM), and proglacial Lake Flathead. In this study, I mapped approximately 63 square km in and around the former terminal position of the Flathead Lobe, in order to better understand the history of …
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