Results 11 to 20 of about 726 (131)

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+2 more sources

Korrelation von mittelpleistozänen Löss-/Paläobodensequenzen in Oberösterreich mit einer marinen Sauerstoffisotopenkurve [PDF]

open access: yesEiszeitalter und Gegenwart, 2007
Three profiles of Middle Pleistocene covering layers on top of fluvioglacial terraces of the Traun-Ems-Plate are recorded in the region of Wels representing characteristic Middle Pleistocene sequences for the Northern Alpine Foreland.
B. Terhorst
doaj   +1 more source

Reconstruction of the Dead (Grey) Dune evolution along the Curonian Spit, Southeastern Baltic [PDF]

open access: yesBulletin of the Geological Society of Finland, 2013
One of the unique places in Europe in both environmental and cultural terms is the Curonian Spit – a massive sandy barrier separating the Curonian Lagoon from the Baltic Sea. Straddling both the Lithuanian and the Russian parts, the spit is included into
N. Dobrotin   +4 more
doaj   +1 more source

Lanthanides and Actinides in Humic Acids of Soils and Paleosols of Forest-Steppe Conditions in the Southern Urals

open access: yesGeosciences, 2018
This article analyzes the lanthanum, cerium, samarium, europium, terbium, ytterbium, lutetium, uranium, and thorium content in humic acids within soil and paleosol surface horizons from the southern steppe in the Southern Urals.
Maria Dergacheva   +3 more
doaj   +1 more source

Coupling X-ray Absorption and Raman Spectroscopies to Characterize Iron Species in a Karst Pedosedimentary Record

open access: yesSoil Systems, 2022
The identification of iron (Fe) forms throughout a sediment sequence was investigated by X-ray Absorption Near Edge Spectroscopy (XANES) and Extended X-ray Absorption Fine Structure (EXAFS) at the Fe K-edge, paired with Raman micro-spectroscopy.
Beatrice Giannetta   +5 more
doaj   +1 more source

Early Middle Pleistocene Fauna Of Fossil Rodents And LoessPaleosol Series Of The Pekla Key Section (Taman Peninsula, Russia)

open access: yesGeography, Environment, Sustainability, 2023
The history of the early Middle Pleistocene small mammal faunas of Eastern Europe is very complicated. The early Middle Pleistocene which spanned from the Brunhes-Matuyama transition (772.9 ka BP, within MIS 19) till the beginning of the Likhvin ...
Anastasia K. Markova   +2 more
doaj   +1 more source

Stratigraphy And Paleolithic Landscapes of the Beganchik Site at the Kama-Volga Confluence

open access: yesПоволжская археология, 2021
The Beganchik locality is a stratigraphic sequence of loessic deposits, pedogenic horizons and Paleolithic occupations located at the Kama-Volga confluence.
Cordova Carlos E.   +6 more
doaj   +1 more source

Paleosols in an outcrop of red beds from the Upper Cretaceous Yaojia Formation, southern Songliao Basin, Jilin Province, NE China

open access: yesJournal of Palaeogeography, 2020
Paleosols in an outcrop of fluvial–lacustrine red beds have been recognized in the Upper Cretaceous Yaojia Formation in southern Songliao Basin, Songyuan City, Jilin Province, NE China.
Li Zhang   +7 more
doaj   +1 more source

Priabonian, late Eocene chronostratigraphy, depositional environment, and paleosol-trace fossil associations, Pipestone Springs, southwest Montana, USA [PDF]

open access: yesActa Palaeontologica Polonica, 2022
Sanidine 40Ar/39Ar ages of lapilli tuffs and the mammalian fauna of Pipestone Springs strata provide a high-resolution chronostratigraphy for upper Eocene (Priabonian) rock units in southwestern Montana.
DEBRA L. HANNEMAN   +3 more
doaj   +1 more source

Pre-late Weichselian podzol soil, permafrost features and lithostratigraphy at Penttilänkangas, western Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2009
The ridge-shaped Penttilänkangas accumulation in western Finland is glaciofluvial in origin: probably an ice-marginal subaquatic fan, reworked and covered with younger deep water, littoral, eolian and glacial sediments.
R. Pitkäranta
doaj   +1 more source

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