Results 11 to 20 of about 816 (150)

A lee-side cavity fill diamicton under the Durance valley glacier: Insights from hoodoos of the Remollon Arch, Southern French Alps

open access: yesSedimentologika
Deep and narrow gullies dissecting reliefs of the Southern French Alps are filled with 10's to 100's meters thick accumulation of unsorted, boulder-rich muddy material (i.e., diamicton) left behind by glaciers that repeatedly covered the region during ...
Pierre Dietrich, Alexis Nutz
doaj   +2 more sources

Thorncliffe Formation: A proglacial to subglacial lacustrine basin sequence, Greater Toronto Region, Canada

open access: yesBoreas
Thorncliffe Formation (southern Ontario, Canada) sedimentary architecture, extent, facies trends, contacts and composition, combined with hydraulic data, define fundamental glacial basin depositional environments. Thorncliffe Formation (TF) comprises an ~
David R. Sharpe   +3 more
doaj   +2 more sources

The morphosedimentary record of glacial to postglacial environmental changes in West Wiyâshâkimî impact crater lake and adjacent areas, northern Québec, Canada

open access: yesBoreas
Crater lakes in core regions of former ice sheets have the potential to preserve long‐term sedimentary archives that are otherwise rare in glaciated landscapes due to pervasive glacial erosion. Lake Wiyâshâkimî, an impact crater lake located in the inner
Etienne Brouard, Patrick Lajeunesse
doaj   +2 more sources

Proximal ejecta of the Bolaven extraterrestrial impact, southern Laos. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Sediments in southern Laos and eastern Thailand confirm that the Australasian tektite strewn field came from an extraterrestrial impact crater on the Bolaven Plateau of southern Laos.
Sieh K   +8 more
europepmc   +2 more sources

Lithostratigraphy of Late Weichselian tills on the West Estonian Islands [PDF]

open access: yesBulletin of the Geological Society of Finland, 1998
Glacial stratigraphy of the West Estonian Islands comprises three different diamicton units which are correlated event-stratigraphically to the Pandivere and Palivere ice advances of the most recent (Late Weichselian) glaciation and included into the ...
E. Kadastik, V. Kalm
doaj   +1 more source

Stream Recovery Post Channelization: A Case Study of Low-Gradient Streams in Central Illinois, USA

open access: yesHydrology, 2022
Stream channelization, which entails reducing the sinuosity of a stream, widening, and in some cases deepening the stream channel, is a widespread practice in agricultural regions.
Joseph P. Becker, Eric W. Peterson
doaj   +1 more source

Chronological aspects of the Hensbacka – a group of hunter-gatherers/fishers on the west coast of Sweden during the Pleistocene/Holocene transition

open access: yesDanish Journal of Archaeology, 2015
In this short article, we take a brief but concise look at chronological, and to a limited extent environmental and typological, aspects of the Hensbacka culture group in Bohuslän.
Lou Schmitt, Krister Svedhage
doaj   +1 more source

Glaciotectonically deformed glaciofluvial sediments with ruptured pebbles (the Koczery study site, E Poland) [PDF]

open access: yesBulletin of the Geological Society of Finland, 2018
Significant quantities of ruptured pebbles are found in glaciotectonically deformed glaciofluvial sediments of the Saalian glaciation (MIS 6) at the Koczery site (E Poland).
B. Woronko   +3 more
doaj   +1 more source

Microbial iron reduction and greenhouse gas production in response to organic matter amendment and temperature increase of periglacial sediments, Bolterdalen, Svalbard

open access: yesArctic, Antarctic, and Alpine Research, 2022
Arctic permafrost soils store substantial reserves of organic matter (OM) from which microbial transformation contributes significantly to greenhouse gas emissions of CH4 and CO2.
Ivaylo Kolchev   +8 more
doaj   +1 more source

Complex genesis of N-channel eskers illustrated with the example of an esker near Tosie (east-central Poland)

open access: yesActa Universitatis Lodziensis. Folia Geographica Physica, 2021
The study presents the problem of complex genesis of eskers formed in N-channels on the example of an esker located near Tosie in east-central Poland.
Małgorzata Frydrych
doaj   +1 more source

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