ND
Member Since 2007
Nicolas Dauphas
Professor, University of Chicago
AGU Research
Search
Filters
Clear All
Isotopic Variations of Rb and K in Non-Carbonaceous Chondrites: Insights into Parent Body Processes
PLANETARY FORMATION AND DIFFERENTIATION IN THE INNER SOLAR SYSTEM: FROM MOLECULAR CLOUD TO ROCKY PLANETS I POSTER
study of earth's deep interior | 13 december 2023
Nicole Nie, Xin-Yang Chen, zhe zhang, Justin Y. Hu...
Combined Rb and K isotopic compositions are very useful in tracing volatilization processes during planetary formation and evolution [1, 2]. In carbon...
View Abstract
Constraints on the Nature of Primary Precipitates in Archean Iron Formations from Spectroscopic and Theoretical Determinations of the Equilibrium Iron Isotopic Behavior of Greenalite and Ferrihydrite
UNDERSTANDING THE INFLUENCES OF SEDIMENTARY AND OCEANOGRAPHIC PROCESSES ON GEOCHEMICAL ARCHIVES ACROSS GEOLOGIC TIME IV ORAL
paleoceanography and paleoclimatology | 16 december 2022
Andrew Heard, Nicolas Dauphas, Isaac L. Hinz, Jena...
Iron formations (IFs) are chemical sedimentary rocks that were widely deposited before the Great Oxidation Event (GOE) at 2.4-2.2 Ga. In the widely ac...
View Abstract
Elemental and Isotopic Fractionation of Alkali Elements During Evaporation of Silicate Melts under 1-bar and Vacuum Conditions
ACCRETION AND DIFFERENTIATION OF ROCKY PLANETS FROM INTERDISCIPLINARY PERSPECTIVES I ORAL
study of earth's deep interior | 14 december 2022
zhe zhang, Ruslan Mendybaev, Nicole Nie, Peng Ni, ...
Alkalis (Li-Na-K-Rb-Cs) are lithophile and moderately volatile elements, which makes them valuable tracers of possible evaporation/condensation proces...
View Abstract
Equilibrium Fractionation of REE Isotopes in Nature: Insights from Nuclear Resonant Inelastic X-ray Scattering on Mossbauer Isotopes 151Eu and 161Dy
THE EVOLUTION OF IGNEOUS SYSTEMS AS REVEALED BY SYNCHROTRON AND MICROANALYTICAL METHODS III POSTER
volcanology, geochemistry and petrology | 13 december 2022
Jingya Hu, Nicolas Dauphas, Nicole Nie, Mathieu Ro...
Rare earth element (REE) pattern has long been used in geochemistry and cosmochemistry for tracing various geological processes due to their smoothly ...
View Abstract
Modelling Precambrian ocean mixing timescale and tracer residence time: implications for Earth’s oxygenation
EVOLUTION OF THE EARTH SYSTEM III POSTER
paleoceanography and paleoclimatology | 16 december 2021
Camilla Liu, Stephanie L. Olson, Malte Jansen, Xi ...
Redox sensitive trace metals such as U or Mo and their isotopes are widely used as indicators of the global oxygen level in early Earths oceans. Howev...
View Abstract
Rubidium Isotopic Compositions of non-Carbonaceous Chondrites
ASTEROIDS, METEORITES, AND MOONS: INNER SOLAR SYSTEM PROCESSES II POSTER
planetary sciences | 15 december 2021
Nicole Nie, Nicolas Dauphas
Rubidium isotopic compositions are very useful in assessing the processes that caused volatile element fractionation in planetary bodies [1]. The Rb i...
View Abstract
Insights into Earth’s Accretion from Iron Isotopic Anomalies in Meteorites
PLANETARY ACCRETION, CORE FORMATION, AND MAGMA OCEANS IN THE INNER SOLAR SYSTEM II POSTER
study of earth's deep interior | 15 december 2021
Timo Hopp, Nicolas Dauphas, Fridolin Spitzer, Chri...
Nucleosynthetic isotopic anomalies in meteorites can be used as genetic tracers to identify potential building blocks of Earth. Modeling of the multi-...
View Abstract
Did the depletion in moderately volatile elements of the Moon happen in the protolunar disk or lunar magma ocean?
PLANETARY ACCRETION, CORE FORMATION, AND MAGMA OCEANS IN THE INNER SOLAR SYSTEM I ORAL
study of earth's deep interior | 15 december 2021
Nicolas Dauphas, Nicole Nie, Marc Blanchard, zhe z...
The Earth is depleted in lithophile moderately volatile element (MVEs) relative to CI chondrites (by a factor of ~7 for K) and the Moon is even more d...
View Abstract