Compositional Effects of Low-Pressure Impacts in Chondritic Meteorites: Oxygen Isotope Homogenization and Mg-Fe Diffusion in Matrix Olivine and Presolar Grains

Compositional Effects of Low-Pressure Impacts in Chondritic Meteorites: Oxygen Isotope Homogenization and Mg-Fe Diffusion in Matrix Olivine and Presolar Grains

Recent work has explored the effects of low-intensity impacts into porous chondrite precursors. We show oxygen-isotope homogenization of presolar grains and Mg-Fe diffusion in fine-grained matrix are potential consequences of this process.

Bibliographic Details
Main Authors: Dyl, Kathryn, Bland, Philip, Muxworthy, A., Collins, G., Davison, T., Prior, D., Ciesla, F.
Other Authors: Lunar and Planetary Institute
Format: Conference Paper
Published: Lunar and Planetary Institute 2012
Online Access:http://www.lpi.usra.edu/meetings/lpsc2012/pdf/2251.pdf
http://hdl.handle.net/20.500.11937/36887

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