Results 81 to 90 of about 26,538 (206)

Triple isotope (δD, δ17O, δ18O) study on precipitation, drip water and speleothem fluid inclusions for a Western Central European cave (NW Switzerland) [PDF]

open access: yes, 2015
Deuterium (δD) and oxygen (δ18O) isotopes are powerful tracers of the hydrological cycle and have been extensively used for paleoclimate reconstructions as they can provide information on past precipitation, temperature and atmospheric circulation. More
Affolter, Stéphane   +4 more
core   +1 more source

Gough's Cave and biomolecular archaeology: a story of evolving interpretation Archéologie biomoléculaire à la grotte de Gough's Cave : une interprétation en constante évolution

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Gough's Cave is a key archaeological site that has been at heart of British archaeology for the past century. Professor Chris Stringer, whom this special issue honours, has been a key figure in excavations and research projects at the site for many decades.
William A. Marsh
wiley   +1 more source

Transformation of ENSO‐related rainwater to dripwater δ18O variability by vadose water mixing [PDF]

open access: yes, 2014
Speleothem oxygen isotopes (δ18O) are often used to reconstruct past rainfall δ18O variability, and thereby hydroclimate changes, in many regions of the world.
Stacy A, Carolin   +9 more
core   +1 more source

Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates

open access: yesIntegrative Zoology, EarlyView.
This study provides the first isotopic analysis of Oligocene mammals from Quebrada Fiera, Mendoza, Argentina, filling a major gap in South American paleontology. It reveals a latitudinal gradient in aridity due to the Andean rain shadow and highlights the role of (semi)permanent water bodies in sustaining diverse herbivore communities. Additionally, it
Dánae Sanz‐Pérez   +4 more
wiley   +1 more source

Stalagmite δ13C and δ18O record from Jaraguá cave, Brazil

open access: yes, 2019
Stalagmite δ13C and δ18O record from Jaraguá cave ...
Novello, Valdir Felipe   +1 more
core   +1 more source

Investigating relationships among strontium, barium, and seasonality in wild baboons

open access: yesArchaeometry, EarlyView.
Abstract Geochemical profiles of Australopithecus africanus and baboon teeth show fluctuating trace elements, possibly reflecting seasonal diets. Here we use laser ablation–inductively coupled plasma–mass spectrometric measurements of calcium‐normalized strontium and barium ratios (Sr/Ca and Ba/Ca) and ion microprobe analyses of oxygen isotopes (δ18O ...
Maya Bharatiya   +12 more
wiley   +1 more source

Origin of Silicic Magmatism at the Katla Volcanic Complex, South Iceland

open access: yesGeochemistry, Geophysics, Geosystems
The Katla volcano is a bimodal caldera complex within Iceland's basalt‐dominated Eastern Volcanic Zone. To unravel the petrogenesis of silica‐rich rocks from Katla, we provide new δ18O values for almost 60 basaltic, intermediate, and high‐silica eruptive
Valentin R. Troll   +11 more
doaj   +1 more source

Baculites Ontogeny δ18O and δ13C Data

open access: yes, 2019
This file contains all of the ontogenetically sampled δ18O and δ13C data used to construct the isotopic profiles for each of the baculites in this ...
Tobin, Thomas S.   +3 more
core   +1 more source

Summary statistics for oxygen (δ18O) and carbon (δ13C) isotope values for cattle from Houten-Castellum.

open access: yes, 2021
Summary statistics for oxygen (δ18O) and carbon (δ13C) isotope values for cattle from Houten-Castellum.
Maaike Groot (11512564)   +3 more
core   +1 more source

Timing the Sacred: A Multi‐Step Chronological Framework for the Llullaillaco Inca Burial

open access: yesArchaeometry, EarlyView.
ABSTRACT Absolute radiocarbon dating offers high precision, but its application to historical contexts, such as the Inca civilization, requires a rigorous methodological approach. This research examines methods to enhance chronological accuracy through a case study of artifacts from the Llullaillaco Capacocha sacrifice.
Dominika Sieczkowska‐Jacyna   +9 more
wiley   +1 more source

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