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’Taters versus Sliders: Evidence for a Long-Lived History of Strike-Slip Displacement along the Canadian Arctic Transform System (CATS)
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연관 데이터
Glacial history and drift prospecting in the Canadian Cordillera: recent developments
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Periglacial processes and landforms in the western Canadian Arctic
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not_specified
Latest Cretaceous-early Eocene Pacific-Arctic?-Atlantic connection: Co-evolution of strike-slip fault systems, rooflines and transverse fold-and-thrust belts in the northwestern North American Cordillera
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for a copy of this paper please contact the Yukon Geological Survey; geology@gov.yk.ca.
Contributions to the geodynamics of Western Canada
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Pre-Mississippian stratigraphy and provenance of the North Slope of Arctic Alaska II: Basinal rocks of the northeastern Brooks Range and their significance in circum-Arctic evolution
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for a copy of this paper please contact the Yukon Geological Survey; geology@gov.yk.ca.
Glacial history of Howard’s Pass and applications to drift prospecting.
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Four stages of ice-flow occurred in Howard’s Pass during the late Wisconsinan McConnell glaciation. The first stage is marked by ice growth from local cirques. During the second stage, an ice divide developed east of the Nahanni River, with ice flowing southwest across Howard’s Pass. Ice sheet growth continued during stage 3 and the ice divide migrated southwest into the Logan Mountains. At this time ice flowed northward across the study area. Stage 4 is marked by deglaciation and more topographically influenced ice-flow. This last phase of ice-flow is the most important for drift prospecting in the valley bottoms. Conversely, drift transport directions at higher elevation are likely remnant from earlier stages of ice-flow. A mobile-metal-ion survey over a known deposit returned promising results, supporting the potential of this geochemical technique in other drift-covered areas of Howard’s Pass.
Formation and wastage of neoglacial surge moraines of the Klutlan Glacier, Yukon Territory, Canada
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not_specified
Isotopic identification of subglacial processes
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A comprehensive stable isotope study of basal ice and debris layers in two Yukon surging glaciers suggests an isotopically variable basal freezing cycle. Trapridge and Backe glaciers, St. Elias Range, Yukon, have parallel basal debris layers that extend for hundreds of metres along marginal ice faces and in meltwater tunnels. Both glaciers are subpolar surging glaciers that surge on a cycle of 40-50 years. They are approximately 5 km long and 1 km wide with a lower ablation zone that is frozen to the bed and an upper accumulation zone that has basal ice at the pressure melting temperature.
Cordilleran Ice Sheet mass loss preceded climate reversals near the Pleistocene Termination
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for a copy of this paper please contact the Yukon Geological Survey; geology@gov.yk.ca.
Mass movement, seismicity and neotectonics in the northern St. Elias Mountains, Yukon
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Canadian Theses Service/Service des thßeses canadiennes, BNC/National Library of Canada, Ottawa, Ont. K1A 0N4
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