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040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn-nu
045 |ay2y2
0861 |aM183-2/9159E-PDF
1001 |aBrouard, Etienne, |eauthor.
24510|aReport of 2023 field activities for the GEM-GeoNorth West-central Keewatin Glacial Dynamics activity, Nunavut / |cE. Brouard, J.E. Campbell, P.-M. Godbout, N.-M. Renaud, I. McMartin, M. Roy, S.E. Kelley, and C. Crowell.
264 1|a[Ottawa] : |bGeological Survey of Canada, |c2024.
264 4|c©2024
300 |a1 online resource (34 pages) : |bcolour illustrations, colour maps.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aOpen file, |x2816-7155 ; |v9159
504 |aIncludes bibliographical references (pages 32-34).
5203 |a"The landscapes we see today in northern Canada are the results of the dynamics of former continental glaciations of the Quaternary. As the environment evolved with the cyclic growth and decay of ice sheets, it is paramount to understand the history of these glacial cycles to provide a robust framework for geological and environmental studies. Much is known about these glaciations in southern Canada, but in northern Canada, extensive regions remain poorly studied because of their remoteness and hence knowledge of pastglaciations there remains somewhat limited. West-central Keewatin, for example, critically lacks field data on glacial geology in many sectors. Hence, as part of the GEM-GeoNorth West-central Keewatin Glacial Activity, field investigations on the glacial geology around Lake Dubawnt in mainland Nunavut were undertaken in 2023. Here, we detail the field methodology used to compile geospatial information and measurements of ice-flow indicators, and to collect till, bedrock, boulder and sediment samples for terrestrial cosmogenic nuclide and luminescence dating. A total of 111 ground observation sites were visited, including the collection of 108 ice-flow measurements and 93 samples. Preliminary interpretations of the relative chronology and spatial relationship of iceflow indicators suggest that several distinct major ice-flow phases have impacted the region. These interpretations will be complemented with the upcoming results from till compositional data and geochronological analyses. The new field datasets will be used along with remote geomorphological mapping to improve the regional glacial history and enhance success of land-resource based decisions in this part of northern Canada"--Abstract, page 1.
650 0|aGeological surveys|zNunavut.
650 0|aGlacial landforms|zNunavut.
650 0|aDrift|xSampling|zNunavut.
650 0|aRocks|xSampling|zNunavut.
650 0|aSediments (Geology)|xSampling|zNunavut.
650 6|aÉtudes géologiques|zNunavut.
650 6|aGéomorphologie glaciaire|zNunavut.
650 6|aDrift (Glaciologie)|xÉchantillonnage|zNunavut.
650 6|aRoches|xÉchantillonnage|zNunavut.
650 6|aSédiments (Géologie)|xÉchantillonnage|zNunavut.
7102 |aGeological Survey of Canada, |eissuing body.
830#0|aOpen file (Geological Survey of Canada)|v9159.|w(CaOODSP)9.506878
85640|qPDF|s10.79 MB|uhttps://publications.gc.ca/collections/collection_2024/rncan-nrcan/m183-2/M183-2-9159-eng.pdf|z(report)
8564 |qHTML|sN/A|uhttps://doi.org/10.4095/332531|z(complete dataset)