Thermal history of the H-group of chondritic meteorites

Details Thermal history of the H-group of chondritic meteorites Thermal history of the H-group of chondritic meteorites

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.287..787h&link_type=abstract

Nature, vol. 287, Oct. 30, 1980, p. 787-790. Research supported by the Natural Environment Research Council.

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Chondrites, Cooling, Iron Meteorites, Meteoritic Composition, Mineralogy, Chemical Analysis, Metallography, Petrology, Space Exploration, Meteorites, H Chondrites, Thermal History, Tieschitz Meteorite, Shock, Accretion, Cooling Rate, Mineralogy, Chemistry, Temperatures, Data, Metamorphism, Silicates, Metallography, Models, Composition, Calcium, Chondrules, Catalogs, Butsura Meteorite, Allegan Meteorite, Monroe Meteorite, Beaver Creek Meteorite, Bremervorde Meteorite, Kernouve Meteorite, Ambapur Nagla Meteor

Scientific paper

The Tieschitz unequilibrated H-group chondrite accreted at 800 + or - 100 C during rapid cooling. From their mineral chemistry, nine other H-group chondrites, exhibiting greater degrees of equilibration, also formed hot. Degree of equilibration is equated with slowness of cooling, especially below about 700 C. If metamorphism is defined as change brought about by an increase in temperature, in the H-group chondrites it is recognized only in the localized effects of transient reheating, probably induced by shock.

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