H2 clumped isotope measurements at natural isotopic abundances
Sign Up to like & getrecommendations! Published in 2019 at "Rapid Communications in Mass Spectrometry"
DOI: 10.1002/rcm.8323
Abstract: Rationale Molecular hydrogen (H2) is an important gas for atmospheric chemistry, and an indirect greenhouse gas due to its reaction with OH. The isotopic composition of H2 (δD) has been used to investigate its atmospheric… read more here.
Keywords: isotopic abundances; isotope measurements; clumped isotope; isotopic ... See more keywords
Modeling the effects of diagenesis on carbonate clumped-isotope values in deep- and shallow-water settings
Sign Up to like & getrecommendations! Published in 2018 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2018.01.037
Abstract: The measurement of multiply isotopically substituted (‘clumped isotope’) carbonate groups provides a way to reconstruct past mineral formation temperatures. However, dissolution-reprecipitation (i.e., recrystallization) reactions, which commonly occur during sedimentary burial, can alter a sample’s clumped-isotope… read more here.
Keywords: carbonate clumped; isotope; diagenesis; clumped isotope ... See more keywords
Clumped isotope geochemistry of carbonatites in the north-western Deccan igneous province: Aspects of evolution, post-depositional alteration and mineralisation
Sign Up to like & getrecommendations! Published in 2020 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.01.020
Abstract: Abstract Carbonatites crystallise along a wide range of solidus temperatures and are commonly affected by post-magmatic textural re-equilibration and diagenesis. Further insights into the formation and modification of carbonatites are provided using carbon, oxygen and… read more here.
Keywords: deccan igneous; clumped isotope; geochemistry; western deccan ... See more keywords
Clumped isotope thermometry in bivalve shells: A tool for reconstructing seasonal upwelling
Sign Up to like & getrecommendations! Published in 2020 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.11.019
Abstract: Abstract Carbonate clumped isotope thermometry is a powerful tool for reconstructing paleotemperature and paleosalinity. Despite its broad application in biotic and abiotic materials, its use in paleoclimate studies has been limited due to the large… read more here.
Keywords: temperature; tool reconstructing; bivalve shells; clumped isotope ... See more keywords
Constraining the thermal history of the North American Midcontinent Rift System using carbonate clumped isotopes and organic thermal maturity indices
Sign Up to like & getrecommendations! Published in 2017 at "Precambrian Research"
DOI: 10.1016/j.precamres.2017.03.022
Abstract: Abstract The Midcontinent Rift System (MRS) is a Late Mesoproterozoic (∼1.1 Ga) sequence of volcanic and sedimentary rocks exposed in the Lake Superior Region of North America. The MRS continues to be the focus of much… read more here.
Keywords: thermal maturity; organic thermal; clumped isotope; history ... See more keywords
Fluid Flow, Brecciation, and Shear Heating on Faults: Insights From Carbonate Clumped‐Isotope Thermometry
Sign Up to like & getrecommendations! Published in 2018 at "Tectonics"
DOI: 10.1029/2018tc004984
Abstract: The Mormon Peak and Heart Mountain detachments are carbonate-‐hosted low-‐angle faults of Tertiary age in the western United States that formed in the uppermost continental crust. Both faults were active during regional explosive volcanism, with… read more here.
Keywords: heart mountain; mormon peak; carbonate clumped; clumped isotope ... See more keywords
Optical clumped isotope thermometry of carbon dioxide
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-40750-z
Abstract: Simultaneous analysis of carbon dioxide isotopologues involved in the isotope exchange between the doubly substituted 13C16O18O molecule and 12C16O2 has become an exciting new tool for geochemical, atmospheric and paleoclimatic research with applications ranging from… read more here.
Keywords: optical clumped; carbon; analysis; clumped isotope ... See more keywords
Evidence for heterothermic endothermy and reptile-like eggshell mineralization in Troodon, a non-avian maniraptoran theropod.
Sign Up to like & getrecommendations! Published in 2023 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2213987120
Abstract: The dinosaur-bird transition involved several anatomical, biomechanical, and physiological modifications of the theropod bauplan. Non-avian maniraptoran theropods, such as Troodon, are key to better understand changes in thermophysiology and reproduction occurring during this transition. Here,… read more here.
Keywords: non avian; avian maniraptoran; reptile like; dual clumped ... See more keywords