Aqueous Alteration on Asteroids: Linking the Mineralogy and Spectroscopy of CM and CI Chondrites

M.M. McAdam, J.M. Sunshine, K.T. Howard, T.M. McCoy Icarus DOI: 10.1016/j.icarus.2014.09.041 LINK Abstract CM/CI meteorites range in degree of aqueous alteration suggesting differences in initially accreted materials including water ice and possible spatial heterogeneities within…

The paradox between low shock-stage and evidence for compaction in CM carbonaceous chondrites explained by multiple low-intensity impacts

Paula Lindgren, Romy D. Hanna, Katherine J. Dobson, Tim Tomkinson, Martin R. Lee Geochimica et Cosmochimica Acta DOI: 10.1016/j.gca.2014.09.014 (in press) Available online 18 September 2014 LINK

Samarium–neodymium chronology and rubidium–strontium systematics of an Allende calcium–aluminum-rich inclusion with implications for 146Sm half-life

N.E. Marks, L.E. Borg, I.D. Hutcheon, B. Jacobsen, R.N. Clayton Earth and Planetary Science Letters Volume 405, 1 November 2014, Pages 15–24 DOI: 10.1016/j.epsl.2014.08.017 Available online 29 August 2014 LINK

Aragonite, breunnerite, calcite and dolomite in the CM carbonaceous chondrites: High fidelity recorders of progressive parent body aqueous alteration

Martin R. Lee, Paula Lindgren, Mahmood R. Sofe Geochimica et Cosmochimica Acta Available online 28 August 2014 LINK

Sequential analysis of carbonaceous materials in Hayabusa-returned samples for the determination of their origin

Masayuki Uesugi, Hiroshi Naraoka, Motoo Ito, Hikaru Yabuta, Fumio Kitajima, Yoshinori Takano, Hajime Mita, Ichiro Ohnishi, Yoko Kebukawa, Toru Yada, Yuzuru Karouji, Yukihiro Ishibashi, Takaaki Okada and Masanao Abe Earth, Planets and Space 2014, 66:102…

No nebular magnetization in the Allende CV carbonaceous chondrite

R.R. Fu, E.A. Lima, B.P. Weiss Earth and Planetary Science Letters Volume 404, 15 October 2014, Pages 54–66 DOI: 10.1016/j.epsl.2014.07.014 LINK

Metamorphosed calcium-aluminum-rich inclusions in CK carbonaceous chondrites

Chaumard N, Devouard B, Bouvier A and Wadhwa M (in press) Meteoritics & Planetary Science Volume 49, Issue 3, pages 419–452, March 2014 LINK Excluding metamorphic features, the similarity in nature and abundance of CAIs…

Experimental simulation of oxygen isotopic exchange in olivine and implication for the formation of metamorphosed carbonaceous chondrites

Ivanova MA, Lorenz CA, Franchi IA, Bychkov AY and Post JE Meteoritics & Planetary Science Volume 48, Issue 10, pages 2059–2070, October 2013 doi:10.1111/maps.12204 LINK We have conducted hydration–dehydration experiments on terrestrial olivine to investigate…

Short Duration Thermal Metamorphism in CR Chondrites

Short Duration Thermal Metamorphism in CR Chondrites Briani G, Quirico E, Gounelle M, Paulhiac-Pison M, Montagnac G, Beck P, Orthous-Daunay FR, Bonal L Jacquet E Kearsley A and Russell SS Geochimica et Cosmochimica Acta Volume…

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