Mechanisms and timing of carbonaceous chondrite delivery to the EarthOPEN ACCESS
Francis Nimmo, Thorsten Kleine, Alessandro Morbidelli, David Nesvorny Accepted for publication in Earth and Planetary Science Letters, 7 November 2024 PDF (OPEN ACCESS) “The nucleosynthetic isotope signatures of meteorites and the bulk silicate Earth (BSE)…
The non-carbonaceous nature of Earth’s late-stage accretionOPEN ACCESS
K.R. Bermingham, H.A. Tornabene, R.J. Walker, L.V. Godfrey, B.S. Meyer, P. Piccoli, S.J. Mojzsis Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 November 2024 LINK + PDF (OPEN ACCESS) “Constraining the origin of…
Insights on the origin of oldhamite in enstatites meteorites from Ca stable isotopes
Wei Dai, Frederic Moynier, Julien Siebert Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 20 April 2024 LINK “In order to understand the origin of oldhamite (CaS) in enstatite meteorites, we report Ca…
Origin of the superchondritic carbon/nitrogen ratio of the bulk silicate Earth − an outlook from iron meteorites
Damanveer S. Grewal, Paul D. Asimow Geochimica et Cosmochimica ActaAvailable online 20 January 2023 LINK “Disagreement regarding the origin of the bulk silicate Earth’s (BSE) superchondritic carbon/nitrogen (C/N) ratio is due, in part, to the…
The effect of collisional erosion on the composition of Earth-analog planets in Grand Tack models: Implications for the formation of the Earth
L. Allibert, J. Siebert, S. Charnoz, S.A. Jacobson, S.N. Raymond IcarusIn Press, Journal Pre-proof, Available online 14 November 2022 LINK “Impact-induced erosion of the Earth’s early crust during accretion of terrestrial bodies can significantly modify…
Origin of moderately volatile element depletion on differentiated bodies: insights from the evaporation of indium from silicate melts
Deze Liu, Frédéric Moynier, Julien Siebert, Paolo A. Sossi, Yan Hu, Edith Kubik Geochimica et Cosmochimica ActaAvailable online 13 October 2022 LINK “In comparison with the Sun and CI chondrites, moderately volatile elements (MVEs) are…
The cadmium and zinc isotope compositions of the silicate Earth – implications for terrestrial volatile accretionOPEN ACCESS
Harvey Pickard, Emeliana Palk, Maria Schönbächler, Rebekah E.T. Moore, Barry J. Coles, Katharina Kreissig, Katrina Nilsson-Kerr, Samantha J. Hammond, Eiichi Takazawa, Christophe Hémond, Peter Tropper, Dan N. Barfod, Mark Rehkämper Geochimica et Cosmochimica ActaAvailable online…
Nitrogen isotope evidence for Earth’s heterogeneous accretion of volatilesOPEN ACCESS
Lanlan Shi, Wenhua Lu, Takanori Kagoshima, Yuji Sano, Zenghao Gao, Zhixue Du, Yun Liu, Yingwei Fei & Yuan Li Nature Communications, Volume 13, Article number: 4769 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The origin of major…
An exploration of whether Earth can be built from chondritic components, not bulk chondrites
Conel M. O’D. Alexander Geochimica et Cosmochimica ActaAvailable online 17 December 2021 LINK “Here, two of a range of possible models are explored that assume that: (i) two of the main chondritic components (chondrules and…
Numerous chondritic impactors and oxidized magma ocean set Earth’s volatile depletionOPEN ACCESS
Haruka Sakuraba, Hiroyuki Kurokawa, Hidenori Genda & Kenji Ohta Scientific Reports, Volume 11, Article number: 20894 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Earth’s surface environment is largely influenced by its budget of major volatile elements:…
The Sn isotope composition of chondrites: implications for volatile element depletion in the Solar System
Xueying Wang, Caroline Fitoussi, Bernard Bourdon, Kevin Righter, Quentin Amet Geochimica et Cosmochimica ActaAvailable online 19 August 2021 LINK “The origin of volatile element depletion in terrestrial planets and meteorites relative to a solar composition…
Tellurium isotope cosmochemistry: Implications for volatile fractionation in chondrite parent bodies and origin of the late veneer
Jan L. Hellmann, Timo Hopp, Christoph Burkhardt, Harry Becker, Mario Fischer-Gödde, Thorsten Kleine Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 6 July 2021 LINK “Tellurium stable isotope compositions and abundances (δ128/126Te relative to…
Quantitative estimates of impact induced crustal erosion during accretion and its influence on the Sm/Nd ratio of the Earth
L. Allibert, S. Charnoz, J. Siebert, S.A. Jacobson, S.N. Raymond IcarusIn Press, Journal Pre-proof, Available online 17 March 2021 LINK “Highlights • Terrestrial planets formation involve highly energetic collisions.• Collisional erosion of differentiated bodies may…
Nickel isotopic evidence for late-stage accretion of Mercury-like differentiated planetary embryosOPEN ACCESS
Shui-Jiong Wang, Wenzhong Wang, Jian-Ming Zhu, Zhongqing Wu, Jingao Liu, Guilin Han, Fang-Zhen Teng, Shichun Huang, Hongjie Wu, Yujian Wang, Guangliang Wu & Weihan Li Nature Communications, Volume 12, Article number: 294 (2021) LINK (OPEN…
Solar system Nd isotope heterogeneity: Insights into nucleosynthetic components and protoplanetary disk evolution
Nikitha Susan Saji, Daniel Wielandt, Jesper Christian Holst, Martin Bizzarro Geochimica et Cosmochimica Acta LINK “High-precision Nd isotope measurements of a diverse set of solar system materials including bulk chondrites and achondrites reveal that their…
Si-Mg isotopes in enstatite chondrites and accretion of reduced planetary bodiesOPEN ACCESS
Jinia Sikdar & Vinai K. Rai Scientific Reports 10 , 1–12 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Among the primitive meteorite classes, Enstatite Chondrites (EC) are believed to share a common origin with the Earth…
Heterogeneous accretion of Earth inferred from Mo-Ru isotope systematicsOPEN ACCESS
Timo Hopp, Gerrit Budde, Thorsten Kleine Earth and Planetary Science Letters (17 January 2020) PDF (OPEN ACCESS) LINK (OPEN ACCESS) “The Mo and Ru isotopic compositions of meteorites and the bulk silicate Earth (BSE) hold…
The origin of unequilibrated EH chondrites – constraints from in-situ analysis of Si isotopes, major and trace elements in silicates and metal
Yogita Kadlag, Michael Tatzel, Daniel A. Frick, Harry Becker Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 16 September 2019 LINK “Various lines of evidence suggest that material isotopically similar to enstatite chondrites…
Potassium isotopic compositions of enstatite meteoritesOPEN ACCESS
Chen Zhao, Katharina Lodders, Hannah Bloom, Heng Chen, Zhen Tian, Piers Koefoed, Mária K. Pető, Kun Wang (王昆) Meteoritics & Planetary Science First Published: 21 July 2019 LINK Update (20 February 2020): PDF (OPEN ACCESS)…
Delivery of carbon, nitrogen, and sulfur to the silicate Earth by a giant impactOPEN ACCESS
Damanveer S. Grewal, Rajdeep Dasgupta, Chenguang Sun, Kyusei Tsuno and Gelu Costin Science Advances 23 Jan 2019: Vol. 5, no. 1, eaau3669 DOI: 10.1126/sciadv.aau3669 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Earth’s status as the only…