Other
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1073p&link_type=abstract
Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 073.
Other
1
Chondrule, Calcium Compounds, Aluminum Compounds, Heating, Minerals, Crystallization, Isothermal Processes, Pyroxenes, Cooling, Liquid Phases
Scientific paper
The formation of chondrules and Ca-Al-rich inclusions (CAIs) probably involved more than one sequence of heating and cooling. Although the most recent and/or highest temperature event prior to incorporation into the parent body is likely to dominate the texture and chemistry of the object, it is instructive to determine if prior events affect the final product. Information on the nature of the heating/cooling cycles experienced by CAIs and chondrules is important in modeling the environment of their formation. We have performed a series of experiments on a CAI analog that indicate that the prior history of an inclusion will affect the texture and chemistry of phases formed in subsequent heating events. Both a higher-temperature prehistory and a lower-temperature prehistory are compared with no pretreatment.
Le Linh
Lofgren Gary
Paque Julie M.
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