A planetary, H-group pebble in the Barwell, L6, unshocked chondritic meteorite

Details A planetary, H-group pebble in the Barwell, L6, unshocked chondritic meteorite A planetary, H-group pebble in the Barwell, L6, unshocked chondritic meteorite

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988e%26psl..90..105h&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 90, no. 2, Oct. 1988, p. 105-118.

Other

26

Chondrites, Chondrule, Meteoritic Composition, Meteoroid Showers, Rare Earth Elements, Igneous Rocks, Mineralogy, Olivine, Oxygen Isotopes, Trace Elements

Scientific paper

A stone of the Barwell L6 shower which contains an igneous inclusion with the oxygen isotopic signature of H-group chondrites is discussed. The inclusion is mainly composed of olivine, with a composition, Fo75.5, identical to the host. Other phases are only partially equilibrated with the host. The inclusion has a fractionated REE pattern which shows depletion in the heavy REEs and a positive Eu anomaly. A depletion in siderophile elements is observed in the inclusion. It is concluded that melting occured very early on an H-group chondritic body.

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