Lunar impact breccias: petrology, crater setting, and bombardment history of the Moon
Two general classes of lunar impact breccias have been recognised: fragmental breccias and melt breccias. Fragmental breccias are composed of clastic-rock debris in a finely comminuted grain-supported matrix of mineral and lithic fragments. Impact melt breccias have crystalline to glassy matrices that formed by cooling of a silicate melt. Most lunar impact breccias in our collection probably sample ejecta from large complex craters or multi-ring basins, although linking individual breccias to...[Show more]
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|Source:||Australian Journal of Earth Sciences|
|01_Norman_Lunar_impact_breccias:_2005.pdf||2.34 MB||Adobe PDF||Request a copy|
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