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outwash

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Journal Article
Journal: Geology
Published: 29 May 2020
Geology (2020) 48 (9): 867–871.
... carbon, and gravel-sized charcoal particles are common on the outwash plain in front of the crater. The organic matter is depleted in the thermally sensitive, labile bio-macromolecule proto-hydrocarbons. Pebble-sized lumps of lignite collected close to the sand sample consist largely of fragments...
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Journal Article
Published: 30 July 2019
Journal of the Geological Society (2019) 176 (6): 1169–1181.
... that the present limits of loess are probably close to their original boundaries. The past proximity of the British Ice Sheet, the accumulation of dusty sediments coating north-facing cliffs of Brittany originating in the outwash of the British–Irish Ice Sheet and in the palaeo-rivers of the English Channel...
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Series: GSA Field Guide
Published: 10 December 2018
DOI: 10.1130/2018.0051(07)
EISBN: 9780813756516
... the Nugent Sand Company gravel drive. 189.6 Turn left onto U.S.-127 N/U.S.-42. 198.3 Turn left onto KY-338 N. 201.1 Turn left into Big Bone Lick State Park. Figure 9. Surficial geologic map of Stop 3 ( Bottoms et al., 2018 ) showing approximate trace of trail to Illinoian outwash...
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Series: GSA Field Guide
Published: 10 December 2018
DOI: 10.1130/2018.0051(11)
EISBN: 9780813756516
... Lakes region with maximum limits of Wisconsin (OIS [Oxygen Isotope Stage] 2; dark-gray line) and pre-Wisconsin (pre–OIS 2; white line). Moraines are outlined in dark gray and outwash is light gray. The two major lobes of the Laurentide Ice Sheet in the southern Great Lakes region are the Lake Michigan...
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Series: GSA Field Guide
Published: 10 December 2018
DOI: 10.1130/2018.0051(06)
EISBN: 9780813756516
... in which the main stem flows over the thick, glacial-outwash-alluvial aquifer system in a deep valley incised into Paleozoic-aged bedrock. Adapted from Fullerton et al. (2003) . Figure 3. A surface stream and an adjacent or underlying outwash-alluvial aquifer are two parts of a single system...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP435.6
EISBN: 9781786202901
... not arrive in significant quantities until after quartz cementation had commenced. Fig. 2. Depositional model of pro-glacial outwash-fan-related deposits, Late Ordovician of the Illizi Basin, Algeria. Schematic depositional dip profile axial ( a ) and off-axis ( b ) to a pro-glacial outwash fan...
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Journal Article
Published: 01 February 2016
Earthquake Spectra (2016) 32 (1): 143–169.
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Series: GSA Special Papers
Published: 01 January 2016
DOI: 10.1130/2015.2516(20)
... with thick deposits of coarse- and fine-grained alluvium prior to 350 ka, during the major glacial phase of MIS 12. During the cold stages that followed MIS 12, ice was less extensive and limited to the Orjen plateau, and there is little evidence of outwash deposition during these later glaciations. Surface...
Series: GSA Field Guide
Published: 01 January 2014
DOI: 10.1130/2014.0037(09)
EISBN: 9780813756370
...) glaciation, the northern Yellowstone outlet glacier flowed out of Yellowstone Park and down the Yellowstone River Valley into the Paradise Valley. The field trip will traverse the following Pinedale glacial sequence: (1) deposition of the Eightmile terminal moraines and outwash 16.5 ± 1.4 10 Be ka...
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Series: GSA Field Guide
Published: 01 January 2014
DOI: 10.1130/2014.0038(07)
EISBN: 9780813756387
... Tricouni Lava, Breccia, and Outwash Sediments Stop 1-4: Southeast Tricouni Lavas Stop 1-1: (24.6 km) Porteau Cove Provincial Park Introduction End of Day 2: Discussion Introduction Day 3: The Effusive Phase of the 2360 B.P. Eruption of Mount Meager Day 2: The Explosive Phase...
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Journal Article
Published: 01 May 2013
Environmental and Engineering Geoscience (2013) 19 (2): 99–114.
...NATHANIEL R. SWANSON; PAUL M. SANTI Abstract Colluvium and debris-flow deposits differ from each other and from glacial till and glacial outwash deposits in Durango, CO, in terms of sedimentological properties evaluated using laboratory testing. Testing included grain-size analysis, Atterberg...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2013
GeoArabia (2013) 18 (1): 97–134.
... valley systems. In the Unayzah C, subsurface isopach mapping suggests down-valley transport from the north, implying that at least some of the ice was situated in localized, upland (alpine) ice caps. Multiple phases of glacial advance and retreat occurred. Glacial outwash sands and gravels (representing...
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Series: GSA Special Papers
Published: 01 December 2011
DOI: 10.1130/2011.2483(20)
... generated outwash flood resulting in a sandur, or sheet of outwash sands and gravel). We imaged unconsolidated sediment particles in situ at about hand lens scale and documented their characteristics at six sites along the sandur. Average particle size and number of angular, very angular, and subangular...
Journal Article
Journal: GSA Bulletin
Published: 01 July 2011
GSA Bulletin (2011) 123 (7-8): 1478–1496.
... to have been derived from the underlying till by water that flowed through a subglacial conduit (R-channel), within which the narrow gravelly central ridge was deposited. Most mud and finer sand bypassed the conduit and was deposited proglacially on the floor of the Champlain Sea, first as sandy outwash...
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Journal Article
Journal: Geology
Published: 01 February 2011
Geology (2011) 39 (2): 103–106.
... on outwash terraces can be directly dated to determine the timing of early–middle Quaternary glacial advances in southern South America. Cosmogenic 10 Be and 26 Al surface exposure ages were obtained from outwash gravels associated with two of the oldest glacial sequences in the Lago Pueyrredón valley (47.5...
FIGURES
Journal Article
Published: 01 July 2009
Journal of Sedimentary Research (2009) 79 (7): 495–522.
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Series: GSA Special Papers
Published: 01 January 2009
DOI: 10.1130/2009.2460(02)
Journal Article
Journal: Geology
Published: 01 January 2009
Geology (2009) 37 (1): 3–6.
... and dated samples from the Fiordland continental margin. These rates are derived from dextral displacements of relict but well-preserved glacial geomorphology (moraines and outwash fans), interpreted to 17 (+2/−1, calendar) ka. The weighted mean slip rate is 27.2 (−3.0/+1.8) mm/yr on the shelf between...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2007
GSA Bulletin (2007) 119 (5-6): 515–528.
... and kames with some outwash. The moraines are composed of silts, sands, and gravels, while the outwash is mostly sorted sands and gravels ( Farrand, 1982 ). The Quaternary sediment is variable in thickness (<15–122 m) and is inhomogeneous, containing lenses of material of differing permeability...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2432(11)
... gravels. Infrared stimulated luminescence (IRSL) dating on the lake beds yielded an age of 60.3 ∼5.6 ka BP, suggesting late OIS 4 ( oxygen isotope stage ) age for the lake. A subsequent phase of fluvial aggradation buried paleolake deposits under 65 m of glaciofluvial outwash. This was followed...