Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988metic..23...81w&link_type=abstract
Meteoritics (ISSN 0026-1114), vol. 23, March 1988, p. 81-91. NSF-DOE-supported research.
Other
35
Allende Meteorite, Melts (Crystal Growth), Meteoritic Composition, Migration, Ureilites, Compacting, Geochemistry, Gravitational Fields, Temperature Gradients, Meteorites, Ureilites, Compaction, Samples, Meteorite, Allende, Melting, Laboratory Studies, Experiments, Crystals, Matrix, Texture, Gradients, Thermal Effects, Origin, Formation, Transport, Diffusion, Heating, Cooling, Procedure, Diagrams, Cv3 Chondrites, Stony Meteorites, Olivine, Photographs, Petrology, Parent Bodies, Models, Sulfide, Depletion, R
Scientific paper
Ureilite meteorites show the simple mineralogy and compact recrystallized textures of adcumulate rock or melting residues. A certain amount of controversy exists about whether they are in fact adcumulate rocks or melting residues and about the nature of the precursor liquid or solid assemblage. The authors undertook a limited experimental study which made possible the evaluation of the potential of the thermal migration mechanism (diffusion on a saturation gradient) for forming ureilite-like aggregates from carbonaceous chondrite precursors. They find that the process can produce compact recrystallized aggregates of silicate crystals which do resemble the ureilities and other interstitial-liquid-free adcumulate rocks in texture.
Agee Carl B.
Walker Danielle
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