Unique achondritic impact debris in the CH3 chondrite Acfer 182
Kainen L. Utt, Ryan C. Ogliore, Michael J. Krawczynski, Paul K. Carpenter, Alian Wang Geochemistry, In Press, Journal Pre-proof, Available online 22 October 2024 LINK “The metal-rich CH carbonaceous chondrites contain abundant xenolithic clasts originating…
Metal-silicate mixing in planetesimal collisionsOPEN ACCESS
Kang Shuai, Christoph M. Schäfer, Christoph Burger, Hejiu Hui Astronomy & Astrophysics manuscriptReceived: 22 August 2023 / Accepted: 12 April 2024, Published: 20 July 2024 PDF 1 (OPEN ACCESS)PDF 2 (OPEN ACCESS) “Impacts between differentiated…
Chondrule Formation During Low-Speed Collisions of Planetesimals: A Hybrid Splash-Flyby FrameworkOPEN ACCESS
William Herbst, James P. Greenwood Update (MAPS, 28 February 2024): LINK (OPEN ACCESS) / PDF (OPEN ACCESS) Accepted for publication in Meteoritics and Planetary Science PDF (OPEN ACCESS) “Chondrules probably formed during a small window…
Heterogenity of planetesimal collisional plume probed by glass inclusions in metal globules of Sierra Gorda 013, an unusual CBa-like chondrite
C. A. Lorenz, M. A. Ivanova, N. G. Zinovieva, K. M. Ryazantsev, A. V. Korochantsev MAPSVersion of Record online: 02 February 2023 LINK “Metal-rich carbonaceous CB chondrites are generally assumed to be materials accreted from the gas–dust plume formed…
Complementary nucleosynthetic isotope anomalies of Mo and W in chondrules and matrix in the Allende carbonaceous chondrite: The case for hydrothermal metamorphism and its implications
Ian S. Sanders, Edward R. D. Scott Meteoritics & Planetary ScienceVersion of Record online: 07 October 2021 LINK “The remarkable complementary isotopic relationship in the Allende chondrite between chondrules (depleted in s-process molybdenum and tungsten)…
Chondrules from high-velocity collisions: thermal histories and the agglomeration problemOPEN ACCESS
Nick Choksi, Eugene Chiang, Harold C. Connolly Jr., Zack Gainsforth, Andrew J. Westphal Major revisions to agglomeration, connections made to Hayabusa2 and OSIRIS-REx. Minor updates to Sections 2.3 and 3.2 discussing the treatment of the…
Chondrules as fallout from vaporizing impacts in the solar nebulaOPEN ACCESS
Nick Choksi, Eugene Chiang, Harold C. Connolly Jr., Zack Gainsforth, Andrew J. Westphal Submitted to MNRAS PDF (OPEN ACCESS) “We consider how chondrules, once-molten mm-sized spheres filling the oldest meteorites, may have formed as the…
Petrological evidence for the existence and disruption of a 500 km-sized differentiated planetesimal of enstatite-chondritic parentage
Dennis Harries, Addi Bischoff Earth and Planetary Science LettersVolume 548, 15 October 2020, 116506 LINK “Highlights • A unique enstatite-rich lithology was found among Almahata Sitta meteorite samples.• Petrology indicates a radius of ∼500 km…
Sierra Gorda 009: A new member of the metal‐rich G chondrites grouplet
Marina A. Ivanova, Cyril A. Lorenz, Munir Humayun, Catherine M. Corrigan, Thomas Ludwig, Mario Trieloff, Kevin Righter, Ian A. Franchi, Alexander B. Verchovsky, Ekaterina V. Korochantseva, Vladimir V. Kozlov, Svetlana N. Teplyakova, Alexander V. Korochantsev,…
The Properties of Planetesimal Collisions under Jupiter’s Perturbation and the Application to Chondrule Formation via Impact JettingOPEN ACCESS
Shoichi Oshino, Yasuhiro Hasegawa, Shigeru Wakita, Yuji Matsumoto The Astrophysical Journal, Volume 884, Number 1 PDF (OPEN ACCESS) LINK “Understanding chondrule formation provides invaluable clues about the origin of the solar system. Recent studies suggest…
Fates of hydrous materials during planetesimal collisionsOPEN ACCESS
Shigeru Wakita, Hidenori Genda PDF (OPEN ACCESS) Update (Icarus, 20 March 2019) LINK “Hydrous minerals are found on the surfaces of asteroids, but their origin is not clear. If their origin is endogenic, the hydrous…
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…
Impact splash chondrule formation during planetesimal recyclingOPEN ACCESS
Tim Lichtenberg, Gregor J. Golabek, Cornelis P. Dullemond, Maria Schönbächler, Taras V. Gerya, Michael R. Meyer accepted for publication in Icarus associated blog article (6 Nov 2017) PDF (OPEN ACCESS) “Chondrules are the dominant bulk…
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…
Chondrule Formation via Impact Jetting Triggered by Planetary Accretion
Yasuhiro Hasegawa, Shigeru Wakita, Yuji Matsumoto, Shoichi Oshino accepted for publication in ApJ PDF (full text) abstract Update (Dec 21): LINK “Chondrules are one of the most primitive elements that can serve as a fundamental…
