Shock metamorphism

（重定向自Impact metamorphism）

Shocked quartz with two sets of ‘decorated’ planar deformation features in impact melt rock from the Suvasvesi South impact structure, Finland (thin section photomicrograph, plane polarized light).

Shatter cones developed in fine grained dolomite from the Wells Creek crater, USA.

Shock metamorphism or impact metamorphism describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event.

单词	Impact metamorphism
释义	Impact metamorphism 英语百科 Shock metamorphism （重定向自Impact metamorphism） Shock metamorphism or impact metamorphism describes the effects of shock-wave related deformation and heating during impact events. The formation of similar features during explosive volcanism is generally discounted due to the lack of metamorphic effects unequivocally associated with explosions and the difficulty in reaching sufficient pressures during such an event.
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