Levrard Till

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Series: GSA Special Papers
Published: 01 January 1992
DOI: 10.1130/SPE270-p171
... In the St. Lawrence Lowland of southern Quebec, an early Wisconsinan glacial advance deposited the Levrard Till. This glacial event, known as the Nicolet Stade, is tentatively correlated with marine oxygen-isotope stage 4. Radiocarbon and thermoluminescence ages bracket the Nicolet Stade...
Journal Article
Journal: Geology
Published: 21 March 2019
Geology (2019) 47 (5): 440-444.
... ; Attig et al., 2011 ). The age of the Arnott moraine has remained enigmatic since it was first described by Weidman (1907) , and later by Thwaites (1927 , 1943) . Its westward position on the landscape, lower relief, and high leaching content of the till support the interpretation of the Arnott...
Journal Article
Journal: Geology
Published: 01 May 2008
Geology (2008) 36 (5): 411-414.
... of the 37th Lunar and Planetary Science Conference, p. 1317 . 0193-4511(2006)v.311[0368:FOGOMB]2.0.CO;2 Forget F. Haberle R.M. Montmessin F. Levrard B...
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Journal Article
Journal: Geology
Published: 01 January 2015
Geology (2015) 43 (1): 23-26.
... provide an age for the retreat following moraine emplacement of this continuous ice-margin position. We also dated ice retreat past the Gogebic Mountains ∼100 km north of the Chippewa lobe LGM moraine to further constrain northward ice retreat. All of the sampling sites had minimal till thickness...
Series: Geological Society, London, Special Publications
Published: 01 January 2019
DOI: 10.1144/SP475.1
EISBN: 9781786204141
.... At this time, there was likely to have been a strong 400 and 100 kyr eccentricity component to orbital forcing, but a higher frequency obliquity (35 kyr) forcing ( Levrard & Laskar 2003 ) . The geochemical and reflectance data indicate cyclicities in sedimentation over time that overlap with cyclicities...
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Published: 01 January 2019
DOI: 10.1144/SP467.1
EISBN: 9781786203625
... and enlarging the former gully alcove, potentially explaining the relatively broad and smooth appearance of the alcoves. The extent of sublimation-till deposits provides evidence of a major episode of glaciation in Langtang crater, whereas moraine deposits define the extent of a younger, smaller, glacial...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.2
EISBN: 9781862394117
... ). Had he lived, vindication in the form of plate tectonics would have come to Wegener at the age of 87. Interest in pre-Quaternary glaciation arose in the wake of the most acrimonious and far-reaching controversy in 19th-century geology, the brouhaha over the glacial theory for Pleistocene tills...
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Journal Article
Journal: Geology
Published: 01 August 2010
Geology (2010) 38 (8): 723-726.
... ; Miller et al., 1987 ; Zachos et al., 2001 ; Katz et al., 2008 ), deepening of the ocean's calcite compensation depth ( Rea and Lyle, 2005 ; Coxall et al., 2005 ), a decline in high-latitude sea surface temperatures ( Liu et al., 2009 ), and widespread deposition of ice-rafted debris and glacial till...
Journal Article
Journal: Geosphere
Published: 01 February 2013
Geosphere (2013) 9 (1): 54-62.
... . Laskar J. Robutel P. Joutel F. Gastineau M. Correia A.C.M. Levrard B. , 2004 , A long term numerical solution for the insolation quantities of the Earth : Astronomy & Astrophysics , v. 428 , p. 261 – 285 , doi:10.1051/0004-6361:20041335 . Lewis A.R. Marchant...
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Journal Article
Published: 01 September 2007
Journal of the Geological Society (2007) 164 (5): 895-921.
... environments, such as faceted and striated clasts indicative of subglacial transport, or dropstones and till pellets derived from floating ice, a picture of the distribution of past glacial activity emerges from detailed facies analysis ( Hambrey & Harland 1981 ). During the first half of the 20th...
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Journal Article
Published: 01 December 2009
Bulletin of Canadian Petroleum Geology (2009) 57 (4): 449-471.
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