Water Contents of Micrometeorites from Antarctica

Details Water Contents of Micrometeorites from Antarctica Water Contents of Micrometeorites from Antarctica

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..337e&link_type=abstract

Lunar and Planetary Science, volume 27, page 337

Computer Science

2

Cosmic Spherules, Isotopes, Micrometeorites, Water

Scientific paper

Micrometeorites have high hydrogen contents regardless of their thermal alteration during atmospheric entry (1.4-20 wt.% H2O equivalent). Also, two cosmic spherules (melted micrometeoroids), retained hydrogen in astonishingly large amounts (1.1 and 2.86 wt.% H2O). COPS, essentially a P-rich, ferro-ferrioxide - hydroxide, contains between 2.9 and 3.8 wt.% H2O. The isotopic composition of the hydrogen in all objects is highly variable and has a range similar to that of hydrogen from carbonaceous chondrites (delta D -366 per mil to 501 per mil).

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