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@article{Suttle:2017:10.1111/maps.12927,
author = {Suttle, MD and Genge, MJ and Russell, SS},
doi = {10.1111/maps.12927},
journal = {Meteoritics & Planetary Science},
pages = {2258--2274},
title = {Shock fabrics in fine-grained micrometeorites},
url = {http://dx.doi.org/10.1111/maps.12927},
volume = {52},
year = {2017}
}

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TY  - JOUR
AB  - The orientations of dehydration cracks and fracture networks in fine-grained, unmelted micrometeorites were analyzed using rose diagrams and entropy calculations. As cracks exploit pre-existing anisotropies, analysis of their orientation provides a mechanism with which to study the subtle petrofabrics preserved within fine-grained and amorphous materials. Both uniaxial and biaxial fabrics are discovered, often with a relatively wide spread in orientations (40°–60°). Brittle deformation cataclasis and rotated olivine grains are reported from a single micrometeorite. This paper provides the first evidence for impact-induced shock deformation in fine-grained micrometeorites. The presence of pervasive, low-grade shock features in CM chondrites and CM-like dust, anomalously low-density measurements for C-type asteroids, and impact experiments which suggest CM chondrites are highly prone to disruption all imply that CM parent bodies are unlikely to have remained intact and instead exist as a collection of loosely aggregated rubble-pile asteroids, composed of primitive shocked clasts.
AU  - Suttle,MD
AU  - Genge,MJ
AU  - Russell,SS
DO  - 10.1111/maps.12927
EP  - 2274
PY  - 2017///
SN  - 1086-9379
SP  - 2258
TI  - Shock fabrics in fine-grained micrometeorites
T2  - Meteoritics & Planetary Science
UR  - http://dx.doi.org/10.1111/maps.12927
UR  - http://hdl.handle.net/10044/1/49114
VL  - 52
ER  -

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