40Ar/39Ar ages of L4, H5, EL6, and feldspathic ureilitic clasts from the Almahata Sitta polymict ureilite (asteroid 2008 TC3)OPEN ACCESS
Brent D. Turrin, Fara Lindsay, Jeremy S. Delaney, Jisun Park, Gregory F. Herzog, Carl Swisher Jr, Cyrena A. Goodrich MAPSVersion of Record online: 22 February 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Almahata Sitta (AhS)…
Rubble pile asteroids are forever
Fred Jourdan, Nicholas E. Timms, Tomoki Nakamura, William D. A. Rickard, Celia Mayers, Steven M. Reddy, David Saxey, Luke Daly, Phil A. Bland, Ela Eroglu, and Denis Fougerouse PNASJanuary 23, 2023120 (5) e22143531 LINK “Rubble…
End of magmatism in the upper crust of asteroid 4 Vesta
F. Jourdan, L. Forman, T. Kennedy, G. K. Benedix, E. Eroglu, C. Mayers Meteoritics & Planetary ScienceVersion of Record online: 30 March 2021 LINK “Asteroid 4 Vesta is the only largely preserved differentiated asteroid and…
40Ar/39Ar ages of Northwest Africa 7034 and Northwest Africa 7533
F. N. Lindsay, J. S. Delaney, C. Göpel, G. F. Herzog, R. Hewins, M. Humayun, K. Nagao, L. E. Nyquist, J. Park, J. B. Setera, C.‐Y. Shih, C. C. Swisher III, B. Zanda, B. D….
Preservation of ancient impact ages on the R chondrite parent body: 40Ar/39Ar age of hornblende-bearing R chondrite LAP 04840.
Righter, K., Cosca, M. A. and Morgan, L. E. Meteoritics & Planetary Science. doi: 10.1111/maps.12692 LINK “The hornblende- and biotite-bearing R chondrite LAP 04840 is a rare kind of meteorite possibly containing outer solar system…
40 Ar/ 39 Ar and cosmic ray exposure ages of plagioclase-rich lithic fragments from Apollo 17 regolith, 78461
J. Das, S. Baldwin, J. Delano Earth, Planets and Space 2016, 68:11 (26 January 2016) PDF (open access) abstract “Argon isotopic data is used to assess the potential of low-mass samples collected by sample return…
