Chondrule size and related physical properties: A compilation and evaluation of current data across all meteorite groups |
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| Institution: | 1. Department of Chemistry, Fordham University, Bronx, NY 10458, USA;2. Department of Earth and Planetary Sciences, American Museum of Natural History, New York, NY 10024, USA;3. Department of Physical Sciences, Kingsborough College of the City University of New York, Brooklyn, NY 11235, USA;4. Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA;5. Lamont–Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA;6. Fordham College at Rose Hill, Fordham University, Bronx, NY 10458, USA;1. Jackson School of Geosciences, University of Texas, Austin, TX 78712, USA;2. Astromaterials Research and Exploration Science, NASA Johnson Space Center, Houston, TX 77058, USA;1. School of Geographical and Earth Sciences, University of Glasgow, Glasgow G12 8QQ, UK;2. Jackson School of Geological Sciences, University of Texas, Austin, TX 78712, USA;3. Manchester X-ray Imaging Facility, School of Materials, University of Manchester, Manchester M13 9PL, UK;4. Research Complex at Harwell, Rutherford Appleton Laboratories, Oxfordshire OX11 0FA, UK;5. Scottish Universities Environmental Research Centre, East Kilbride E75 0QF, UK;1. Canadian Institute for Theoretical Astrophysics, 60 St George Street, Toronto, ON M5S 3H8, Canada;2. Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, CNRS & Muséum National d’Histoire Naturelle, UMR 7590, 57 rue Cuvier, 75005 Paris, France;3. Géosciences Montpellier, UMR 5243, Université de Montpellier II, Place E. Bataillon, 34095 Montpellier cedex 5, France;4. Institut Universitaire de France, Maison des Universités, 103 boulevard Saint-Michel, 75005 Paris, France;1. Institute of Geophysics and Planetary Physics and Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, CA 90095-1567, USA;2. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095-1567, USA;1. Department of Geology, University of Maryland, College Park, MD 20742, USA;2. Institut für Planetologie, University of Münster, Münster 48149, Germany;1. CRPG, Université de Lorraine, CNRS, UMR 7358, 15 Rue Notre-Dame des Pauvres, BP20, 54500 Vandoeuvre-lès-Nancy, France;2. Université d’Orléans, ISTO, UMR 7327, 45071 Orléans, France;3. CNRS/INSU, ISTO, UMR 7327, 45071 Orléans, France;4. BRGM, BP 36009, 45060 Orléans, France;5. Ecole Nationale Supérieure de Géologie, Université de Lorraine, Rue du Doyen Marcel Roubault, BP40, 54501 Vandoeuvre-lès-Nancy, France;6. Geoazur, OCA, Université de Nice – Sophia Antipolis, CNRS/IRD, 250 rue Albert Einstein, Sophia Antipolis, 06560 Valbonne, France |
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| Abstract: | The examination of the physical properties of chondrules has generally received less emphasis than other properties of meteorites such as their mineralogy, petrology, and chemical and isotopic compositions. Among the various physical properties of chondrules, chondrule size is especially important for the classification of chondrites into chemical groups, since each chemical group possesses a distinct size-frequency distribution of chondrules. Knowledge of the physical properties of chondrules is also vital for the development of astrophysical models for chondrule formation, and for understanding how to utilize asteroidal resources in space exploration. To examine our current knowledge of chondrule sizes, we have compiled and provide commentary on available chondrule dimension literature data. We include all chondrite chemical groups as well as the acapulcoite primitive achondrites, some of which contain relict chondrules. We also compile and review current literature data for other astrophysically-relevant physical properties (chondrule mass and density). Finally, we briefly examine some additional physical aspects of chondrules such as the frequencies of compound and “cratered” chondrules. A purpose of this compilation is to provide a useful resource for meteoriticists and astrophysicists alike. |
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| Keywords: | Chondrule Chondrule physical properties Chondrule dimensions Chondrule diameter Chondrule radius Chondrule size Chondrule density |
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