Rocky Planetesimal Formation Aided by Organics
Kazuaki A. Homma, Satoshi Okuzumi, Taishi Nakamoto, and Yuta Ueda The Astrophysical Journal, Volume 877, Number 2 LINK “The poor stickiness of silicate dust grains is a major obstacle to the formation of rocky planetesimals….
Near-equilibrium isotope fractionation during planetesimal evaporation
E.D. Young, A. Shahar, F. Nimmo, H.E. Schlichting, E.A. Schauble, H. Tang, J. Labidi Icarus Available online 21 January 2019 LINK “Highlights • Silicon and Mg in differentiated rocky bodies exhibit heavy isotope enrichments that…
Collisional stripping of planetary crustsOPEN ACCESS
Philip J. Carter, Zoë M. Leinhardt, Tim Elliott, Sarah T. Stewart, Michael J. Walter Accepted for publication in EPSL PDF (OPEN ACCESS) “Geochemical studies of planetary accretion and evolution have invoked various degrees of collisional…
Ureilites Provide a New Model for Planetesimal Formation
Rai N. Downes H. * 80th Annual Meeting of the Meteoritical Society 2017 [#6067] abstract (PDF) “Modelling shows that ureilite parent planetesimal formed from a mixture of Mg- and Fe-rich chondrules with a primary layered…
Testing the chondrule-rich accretion model for planetary embryos using calcium isotopesOPEN ACCESS
Elsa Amsellem, Frédéric Moynier, Emily A. Pringle, Audrey Bouvier, Heng Chen, James M. D. Day PhD Student Conference (PhDSC), l’Institut de Physique du Globe de Paris (IPGP), 13-17 March 2017 PDF (OPEN ACCESS) Update (28…
Sedimentary laminations in the Isheyevo (CH/CBb) carbonaceous chondrite formed by gentle impact-plume sweep-up
Laurence A.J. Garvie, L. Paul Knauth, Melissa A. Morris Icarus In Press, Accepted Manuscript Available online 2 April 2017 LINK see also: Accretional Layers Preserved in a Meteorite Written by Linda M. V. Martel Hawai’i…
Core Formation and Internal Structure of Planetesimals: The Role of Formation Time, Accretion Duration, and Terminal Size
T. Suwa, H. Nagahara 48th Lunar and Planetary Science Conference (2017), Abstract #2130 LINK
The collisional evolution of undifferentiated asteroids and the formation of chondritic meteoroids
Eike Beitz, Jürgen Blum, M. Gabriela Parisi, Josep M. Trigo-Rodríguez Accepted by ApJ PDF (open access) “Most meteorites are fragments from recent collisions experienced in the asteroid belt. In such a hyper-velocity collision, the smaller…
Accretion timescales and style of asteroidal differentiation in an 26Al-poor protoplanetary disk
K.K. Larsen, M. Schiller, M. Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 December 2015 doi:10.1016/j.gca.2015.10.036 LINK “The decay of radioactive 26Al to 26Mg (half-life of 730,000 years) is postulated to…
Early accretion of protoplanets inferred from a reduced inner solar system 26Al inventory
Martin Schiller, James N. Connelly, Aslaug C. Glad, Takashi Mikouchi, Martin Bizzarro Earth and Planetary Science Letters Volume 420, 15 June 2015, Pages 45–54 doi:10.1016/j.epsl.2015.03.028 LINK
