Mass fractionation laws, mass-independent effects, and isotopic anomalies

N Dauphas, EA Schauble - Annual Review of Earth and …, 2016 - annualreviews.org
Isotopic variations usually follow mass-dependent fractionation, meaning that the relative
variations in isotopic ratios scale with the difference in mass of the isotopes involved (eg …

Calcium isotopes in the global biogeochemical Ca cycle: Implications for development of a Ca isotope proxy

MS Fantle, ET Tipper - Earth-Science Reviews, 2014 - Elsevier
At the Earth's surface, calcium (Ca) is a critical element at a variety of scales: it is soluble in
natural waters, a biological nutrient, and a major constituent of the dominant mineral sink for …

On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective

E Nakamura, K Kobayashi, R Tanaka… - Proceedings of the …, 2022 - jstage.jst.go.jp
Presented here are the observations and interpretations from a comprehensive analysis of
16 representative particles returned from the C-type asteroid Ryugu by the Hayabusa2 …

[HTML][HTML] Elemental and isotopic variability in solar system materials by mixing and processing of primordial disk reservoirs

C Burkhardt, N Dauphas, U Hans, B Bourdon… - … et Cosmochimica Acta, 2019 - Elsevier
Isotope anomalies among planetary bodies provide key constraints on planetary genetics
and the solar system's dynamical evolution. However, to unlock the full potential of these …

Calcium isotopic fractionation in mantle peridotites by melting and metasomatism and Ca isotope composition of the Bulk Silicate Earth

JT Kang, DA Ionov, F Liu, CL Zhang, AV Golovin… - Earth and Planetary …, 2017 - Elsevier
To better constrain the Ca isotopic composition of the Bulk Silicate Earth (BSE) and explore
the Ca isotope fractionation in the mantle, we determined the Ca isotopic composition of 28 …

The nature of Earth's building blocks as revealed by calcium isotopes

MC Valdes, M Moreira, J Foriel, F Moynier - Earth and Planetary Science …, 2014 - Elsevier
Calcium is the fifth most abundant element in the Earth and in chondrites and is a pure
lithophile element which does not partition into planetary cores. Therefore, the calcium …

Titanium isotopes and rare earth patterns in CAIs: Evidence for thermal processing and gas-dust decoupling in the protoplanetary disk

AM Davis, J Zhang, ND Greber, J Hu, FLH Tissot… - … et Cosmochimica Acta, 2018 - Elsevier
Titanium isotopic compositions (mass-dependent fractionation and isotopic anomalies) were
measured in 46 calcium-, aluminum-rich inclusions (CAIs) from the Allende CV chondrite …

Mass‐independent and mass‐dependent Ca isotopic compositions of thirteen geological reference materials measured by thermal ionisation mass spectrometry

Y He, Y Wang, C Zhu, S Huang… - Geostandards and …, 2017 - Wiley Online Library
We report mass‐independent and mass‐dependent Ca isotopic compositions for thirteen
geological reference materials, including carbonates (NIST SRM 915a and 915b), Atlantic …

The NC-CC dichotomy explained by significant addition of CAI-like dust to the Bulk Molecular Cloud (BMC) composition

TE Yap, FLH Tissot - Icarus, 2023 - Elsevier
Nucleosynthetic isotope anomalies of planetary materials provide insight into their genetic
ties, informing our understanding of early Solar System isotopic architecture and evolution …

Calcium isotope fractionation during crustal melting and magma differentiation: Granitoid and mineral-pair perspectives

Y Wang, Y He, H Wu, C Zhu, S Huang… - … et Cosmochimica Acta, 2019 - Elsevier
In order to investigate Ca isotope fractionation during crustal melting and magma
differentiation, we report high-precision Ca isotopic data of 17 well-characterized granitoids …