An updated radiocarbon-based ice margin chronology for the last deglaciation of the North American Ice Sheet Complex

AS Dalton, M Margold, CR Stokes, L Tarasov… - Quaternary Science …, 2020 - Elsevier
Abstract The North American Ice Sheet Complex (NAISC; consisting of the Laurentide,
Cordilleran and Innuitian ice sheets) was the largest ice mass to repeatedly grow and decay …

Review of till geochemistry and indicator mineral methods for mineral exploration in glaciated terrain

MB McClenaghan, RC Paulen, IR Smith… - Geochemistry …, 2023 - lyellcollection.org
Since the 1970s, till geochemical and indicator mineral methods for mineral exploration,
provenance studies and environmental research in glaciated terrain have been developed …

A new global ice sheet reconstruction for the past 80 000 years

EJ Gowan, X Zhang, S Khosravi, A Rovere… - Nature …, 2021 - nature.com
The evolution of past global ice sheets is highly uncertain. One example is the missing ice
problem during the Last Glacial Maximum (LGM, 26 000-19 000 years before present)–an …

The marine δ18O record overestimates continental ice volume during Marine Isotope Stage 3

AS Dalton, T Pico, EJ Gowan, JJ Clague… - Global and Planetary …, 2022 - Elsevier
There is disagreement in the Quaternary research community in how much of the marine δ
18 O signal is driven by change in ice volume. Here, we examine this topic by bringing …

Was there a nonglacial episode in the western Hudson Bay Lowland during Marine Isotope Stage 3?

TJ Hodder, MS Gauthier, M Ross, OB Lian - Quaternary Research, 2023 - cambridge.org
Establishing the timing of glacial and nonglacial intervals in the core regions of the
Laurentide Ice Sheet (LIS) is essential to constrain ice-sheet configuration at times of …

A new map of glacigenic features and glacial landsystems in central mainland Nunavut, Canada

I McMartin, PM Godbout, JE Campbell, T Tremblay… - Boreas, 2021 - Wiley Online Library
A new digital map of glacial geomorphic features and interpreted glacial landsystems was
produced for an area covering~ 415 000 km2 in the Keewatin Sector of the Laurentide Ice …

The kinematic significance of subglacial bedforms and their use in palaeo-glaciological reconstructions

J Vérité, É Ravier, O Bourgeois, S Pochat… - Earth and Planetary …, 2024 - Elsevier
Subglacial bedforms are relevant geomorphic markers for palaeo-glaciological
reconstructions. Due to the complexity of thermomechanical interactions between ice, till and …

South-central Laurentide Ice Sheet dynamics and the formation of proglacial Lake Vita during MIS 3

MS Gauthier, TJ Hodder, AS Dalton, V Brewer… - Quaternary …, 2024 - cambridge.org
An understanding of the growth and demise of ice sheets over North America is essential to
inform future climate models. One poorly studied subject is the glacial dynamics during …

Unravelling the fragmented sediment–landform assemblage in an area of thick Quaternary sediment, western Hudson Bay Lowland, Canada

TJ Hodder, MS Gauthier, M Ross… - … Journal of Earth …, 2024 - pubs.geoscienceworld.org
Laurentide Ice Sheet (LIS) reconstructions beyond the last glacial maximum (LGM) are
difficult due to the incomplete stratigraphic record that has largely been eroded by the most …

[HTML][HTML] Laurentide Ice Sheet extent over the last 130 thousand years traced by the Pb isotope signature of weathering inputs to the Labrador Sea

RL Parker, GL Foster, M Gutjahr, PA Wilson… - Quaternary Science …, 2022 - Elsevier
Understanding the history of continental ice-sheet growth on North America, and in
particular that of the Laurentide Ice Sheet (LIS), is important for palaeoclimate and sea-level …