Space weathering, grain size, and metamorphic heating effects on ordinary chondrite spectral reflectance parametersOPEN ACCESS
Eric M. MacLennan, Joshua P. Emery, Michael P. Lucas, Lucas M. McClure, Sean S. Lindsay MAPS, Version of Record online: 05 March 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The exposure to irradiation from high-energy particles…
Bulk mineralogy, water abundance, and hydrogen isotope composition of unequilibrated ordinary chondritesOPEN ACCESS
Helen Grant, Romain Tartèse, Rhian Jones, Laurette Piani, Yves Marrocchi, Ashley King, Thomas Rigaudier MAPSFirst published: 19 July 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The origin and transport of water in the early Solar System…
An in situ study of presolar grains and the fine-grained matrices of the Meteorite Hills 00526 and Queen Alexandra Range 97008 unequilibrated ordinary chondrites
Laura B. Seifert, Pierre Haenecour, Tarunika Ramprasad, Thomas J. Zega MAPSVersion of Record online: 09 July 2023 LINK “Here we report in situ structural and chemical analyses of four presolar grains and the matrices of…
Prolonged early migration of dust from the inner Solar System to the comet-forming region
Devin L. Schrader, Jemma Davidson Earth and Planetary Science LettersVolume 589, 1 July 2022, 117552 LINK “Highlights • We present olivine compositions from uequilibrated ordinary chondrites (UOCs).• UOC chondrule olivine compositionally matches olivine thought unique…
Investigating S-type asteroid surfaces through reflectance spectra of ordinary chondritesOPEN ACCESS
J. Eschrig, L. Bonal, M. Mahlke, B. Carry, P.Beck, J. Gattacceca IcarusIn Press, Journal Pre-proof, Available online 3 April 2022 LINK Update (22 June 2022): PDF (OPEN ACCESS) “Highlights • Reflectance spectroscopy• Petrography• Unequilibrated Ordinary…
High precision 26Al-26Mg chronology of chondrules in unequilibrated ordinary chondrites: evidence for restricted formation ages
Guillaume Siron, Kohei Fukuda, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 14 February 2022 LINK “Chondrules in ordinary chondrites are considered to form in high density environments, likely…
Mineralogy, petrology, and oxygen‐isotope compositions of magnetite ± fayalite assemblages in CO3, CV3, and LL3 chondrites
Alexander N. Krot, Patricia M. Doyle, Kazuhide Nagashima, Elena Dobrică, Michail I. Petaev Meteoritics & Planetary ScienceFirst Published: 20 October 2021 LINK “We report on the mineralogy, petrology, and O-isotope compositions of magnetite and fayalite…
Identification and pairing reassessment of unequilibrated ordinary chondrites from four Antarctic dense collection areas
Kevin Righter, John Schutt, Nicole Lunning, Ralph Harvey, James Karner Meteoritics & Planetary ScienceFirst Published: 24 July 2021 LINK “New analyses of Cr2O3 contents of olivines from type II chondrules in unequilibrated chondrites (UOC) from…
Graphite in ureilites, enstatite chondrites, and unique clasts in ordinary chondrites – Insights from the carbon-isotope compositionOPEN ACCESS
Jakob Storz, Thomas Ludwig, Addi Bischoff, Winfried H. Schwarz, Mario Trieloff Geochimica et Cosmochimica ActaAvailable online 21 May 2021 LINK (OPEN ACCESS) “Carbon is of fundamental interest for constraining the volatile element inventory of terrestrial…
Noble gases in cluster chondrite clasts and their host brecciasOPEN ACCESS
Kim Müsing, Henner Busemann, Liliane Huber, Colin Maden, My E. I. Riebe, Rainer Wieler, Knut Metzler Meteoritics & Planetary ScienceVersion of Record online: 09 April 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We measured noble gases…
A new method for determining the petrologic type of unequilibrated ordinary chondrites that can be applied to asteroids
Derek Sears, Daniel Ostrowski, Heather Smith, Adonay Sissay, Mihir Trivedi IcarusIn Press, Journal Pre-proof, Available online 25 March 2021 LINK “Highlights • Clinopyroxene in type 3 ordinary chondrites is determined from IR spectra.• This enables…
Geochemical Constraints on Potential UOC Chondrule Genesis by Hypervelocity Impact Vapor Plumes and Likely Precursor Sources
Sheikh D., Humayun M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1279 PDF “Most UOC chondrules analyzed exhibit Ce, and Eu anomalies, implying a chondrule forming process that began oxidized but went reducing, consistent…
High Precision Al-Mg Chronology of Chondrules in Unequilibrated Ordinary Chondrites
Siron G., Kita N. T., Fukuda K., Kimura M., 52nd Lunar and Planetary Science Conference (2021), Abstract #1639 PDF “New analyses of UOC chondrules with a range of mesostasis compositions indicate a restrict range of…
In Situ Constraints on the 60Fe Abundance in the Early Solar System
Kodolányi J., Hoppe P., Vollmer C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1291 PDF “New NanoSIMS analyses of old chondrules (Al-Mg age: 1-2 million years after canonical CAIs) do not find significant in…
Iron‐rich olivine in the unequilibrated ordinary chondrite, MET 00526: Earliest stages of formation
Elena Dobrică, Adrian J. Brearley Meteoritics & Planetary ScienceVersion of Record online: 12 January 2021 LINK “In order to understand the effects of the earliest stages of hydrothermal alteration and fluid‐assisted metamorphism on the matrices…
New constraints from 26Al-26Mg chronology of anorthite bearing chondrules in unequilibrated ordinary chondrites
Guillaume Siron, Kohei Fukuda, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn press, journal pre-proof, Available online 1 November 2020 LINK “26Al-26Mg ages were determined for 14 anorthite-bearing chondrules from five different unequilibrated ordinary…
Spectral reflectance analysis of type 3 carbonaceous chondrites and search for their asteroidal parent bodies
J. Eschrig, L. Bonal, P. Beck, T.J. Prestgard IcarusIn Press, Journal Pre-proof, Available online 7 August 2020 LINK “Non-differentiated asteroids are among the most primitive objects in our Solar System, having escaped intense heating mechanisms….
Outward migration of chondrule fragments in the Early Solar System: O-isotopic evidence for rocky material crossing the Jupiter Gap?
Devin L. Schrader, Kazuhide Nagashima, Jemma Davidson, Timothy J. McCoy, Ryan C. Ogliore, Roger R. Fu Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Determining the origins of chondrule precursors…
In situ 60Fe-60Ni Systematics of Chondrules from Unequilibrated Ordinary Chondrites
Myriam Telus, Gary R. Huss, Kazuhide Nagashima, Ryan C. Ogliore, Shogo Tachibana Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “The initial 60Fe/56Fe ratio of chondrules from unequilibrated ordinary…
Formation Mechanism of Iron-Rich Olivine: Experimental Constrains into Early Fluid-Assisted Hydration and Dehydration Processes on Asteroids
Dobricǎ E. * Nuth J. A. Brearley A. J. 80th Annual Meeting of the Meteoritical Society 2017 [#6342] abstract (PDF) “We performed three new experiments in an attempt to synthesize FeO-rich olivine. This study shows…
Chondrule Oxygen Isotope Systematics in Unequilibrated Ordinary Chondrites: Insights into Their Nebular Reservoir
Baeza L. Ireland T. R. Ávila J. N. Mallmann G. 80th Annual Meeting of the Meteoritical Society 2017 [#6166] abstract (PDF) “Ordinary chondrites (OCs) have distinct bulk O-isotope composition. The range of chondrule O-isotope composition…
Spinel-Bearing, Al-Rich Chondrules in the Unequilibrated Ordinary Chondrite NWA 7402
D. K. Ross, J. I. Simon, M. J. Cato 48th Lunar and Planetary Science Conference (2017), Abstract #1616 LINK
Live(?) 60Fe During Aqueous Alteration of Chondrite Parent Bodies: Evidence from UOCs and CV Chondrites
P. H. Donohue, G. R. Huss, K. Nagashima, M. Telus 48th Lunar and Planetary Science Conference (2017), Abstract #2307 LINK
