An evolutionary system of mineralogy. Part III: Primary chondrule mineralogy(4566 to 4561 Ma)

1Robert M. Hazen,1Shaunna M. Morrison,2Anirudh Prabhu
American Mineralogist 106, 325-350 Link to Article[]
1Earth and Planets Laboratory, Carnegie Institution for Science, 5251 Broad Branch Road NW, Washington, D.C. 20015, U.S.A.

2Tetherless World Constellation, Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, New York 12180, U.S.A.
Copyright: The Mineralogical Society of America

Information-rich attributes of minerals reveal their physical, chemical, and biological modes of
origin in the context of planetary evolution, and thus they provide the basis for an evolutionary system
of mineralogy. Part III of this system considers the formation of 43 different primary crystalline and
amorphous phases in chondrules, which are diverse igneous droplets that formed in environments with
high dust/gas ratios during an interval of planetesimal accretion and differentiation between 4566 and
4561 Ma. Chondrule mineralogy is complex, with several generations of initial droplet formation via
various proposed heating mechanisms, followed in many instances by multiple episodes of reheating
and partial melting. Primary chondrule mineralogy thus reflects a dynamic stage of mineral evolution,
when the diversity and distribution of natural condensed solids expanded significantly


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