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    Iron and Stony-Iron Meteorites

    Access Status
    Fulltext not available
    Authors
    Benedix, Gretchen
    Haack, H.
    McCoy, T.
    Date
    2013
    Type
    Book Chapter
    
    Metadata
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    Citation
    Benedix, G. and Haack, H. and McCoy, T. 2013. Iron and Stony-Iron Meteorites, in Treatise on Geochemistry, 2nd Edition, Vol. 1, 267-285. Kidlington, Oxford, UK: Elsevier Science BV.
    Source Title
    Treatise on Geochemistry, 2nd Edition, Vol. 1
    ISBN
    9780080959757
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/40791
    Collection
    • Curtin Research Publications
    Abstract

    Without iron and stony-iron meteorites, our chances of ever sampling the deep interior of a differentiated planetary object would be next to nil. Although we live on a planet with a very substantial core, we will never be able to sample it. Fortunately, asteroid collisions provide us with a rich sampling of the deep interiors of differentiated asteroids.Iron and stony-iron meteorites are fragments of a large number of asteroids that underwent significant geological processing in the early solar system. Parent bodies of iron and some stony-iron meteorites completed a geological evolution similar to that continuing on Earth – although on much smaller length- and timescales – with melting of the metal and silicates; differentiation into core, mantle, and crust; and probably extensive volcanism. Iron and stony-iron meteorites are our only available analogues to materials found in the deep interiors of Earth and other terrestrial planets. This chapter deals with our current knowledge of these meteorites. How did they form? What can they tell us about the early evolution of the solar system and its solid bodies? How closely do they resemble the materials from planetary interiors? What do and do not we know?

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