An internally consistent triple oxygen isotope calibration of standards for silicates, carbonates and air relative to VSMOW2 and SLAP2
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2019.119432
Abstract: Abstract High precision triple oxygen isotope measurements are becoming a more common analysis in laboratories. There is a lack of calibrated standards to use for triple oxygen isotope measurements and this has led to data… read more here.
Keywords: oxygen isotope; triple oxygen; vsmow2 slap2;
Triple oxygen isotope fractionation between CaCO3 and H2O in inorganically precipitated calcite and aragonite
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2020.119500
Abstract: Abstract Carbonate bearing materials, such as foraminifera, mollusks shells, or speleothems, have the potential to preserve geochemical and isotopic signatures reflecting the environmental conditions at the time they formed. Beyond the conventional δ18O, information from… read more here.
Keywords: caco3; oxygen isotope; fractionation; triple oxygen ... See more keywords
Triple oxygen isotopes of cherts through time
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2020.119789
Abstract: Abstract It has long been recognized that the stable oxygen isotope 18O/16O ratios of chemical sediments show a systematic decrease with increasing age. This continuous, 3.8 Ga long secular trend has been attributed to 80 °C hot… read more here.
Keywords: 18o 16o; oxygen isotope; triple oxygen;
Triple oxygen isotopes in the water cycle
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2020.120026
Abstract: Abstract The past decade has seen a remarkable expansion of studies that use mass-dependent variations of triple oxygen isotopes (16O, 17O, 18O) in isotope hydrology and isotope geochemistry. Recent technological and analytical advances demonstrate that… read more here.
Keywords: isotope; oxygen isotopes; water; triple oxygen ... See more keywords
Triple oxygen and clumped isotopes in modern soil carbonate along an aridity gradient in the Serengeti, Tanzania
Sign Up to like & getrecommendations! Published in 2021 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2021.116952
Abstract: The isotopic composition of paleosol carbonates are used extensively to reconstruct past vegetation, climate, and altimetry, but poor constraints on soil evaporation and temperature have limited th... read more here.
Keywords: isotopes modern; oxygen clumped; clumped isotopes; soil carbonate ... See more keywords
Triple oxygen and hydrogen isotopic study of hydrothermally altered rocks from the 2.43–2.41 Ga Vetreny belt, Russia: An insight into the early Paleoproterozoic seawater
Sign Up to like & getrecommendations! Published in 2019 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2019.01.014
Abstract: Abstract The early Paleoproterozoic represents a period of rapid changes in Earth systems that could have affected the stable isotopic composition of seawater. The well-preserved pillow structures, hyaloclastites and komatiitic basalts of the 2.43–2.41 Ga Vetreny… read more here.
Keywords: seawater; early paleoproterozoic; isotopic; triple oxygen ... See more keywords
High-Precision Triple Oxygen Isotope Analysis of Carbon Dioxide by Tunable Infrared Laser Absorption Spectroscopy.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.2c03005
Abstract: Precision measurements of the stable isotope ratios of oxygen (18O/16O and 17O/16O) in CO2 are critical to atmospheric monitoring and terrestrial climate research. High-precision 17O measurements by isotope ratio mass spectrometry (IRMS) are challenging because… read more here.
Keywords: high precision; triple oxygen; spectroscopy; oxygen isotope ... See more keywords
Triple oxygen (delta O-18, Delta O-17), hydrogen (delta H-2), and iron (delta Fe-56) stable isotope signatures indicate a silicate magma source and magmatic-hydrothermal genesis for magnetite orebodies at El Laco, Chile
Sign Up to like & getrecommendations! Published in 2020 at "Economic Geology"
DOI: 10.5387/econgeo.4760
Abstract: Society of Economic Geologists American Association of Petroleum Geologists University of Michigan System NSF EAR grants 1250239 1264560 Chile's Millennium Science Initiative (MSI) through Millennium Nucleus for Metal Tracing along Subduction NC130065 Comision Nacional de… read more here.
Keywords: hydrogen delta; oxygen delta; delta delta; delta ... See more keywords