Troilite Cosmothermometer: Application to L-Chondrites

Details Troilite Cosmothermometer: Application to L-Chondrites Troilite Cosmothermometer: Application to L-Chondrites

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..731l&link_type=abstract

Lunar and Planetary Science, volume 27, page 731

Physics

2

Chondrites, Differential Scanning Calorimetry, Thermometry, Troilite

Scientific paper

The alpha/beta phase transformation in troilite in L-chondrites, as measured by differential scanning calorimetry (DSC) of milligram-scale, whole-rock samples, can be used to evaluate differences in thermal history among individual meteorites. Extrapolated onset temperature and enthalpy change of the transition are correlated with petrographic indices of metamorphism. The natural relict temperatures inferred from troilite in L3-L6 chondrites show apparent values <=460 K that vary systematically with metamorphic and shock grades.

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