chapter 8 flashcard definitions

chapter 8 flashcard definitions - Differential stress - a...

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Differential stress - a condition causing a material to experience a push or pull in one direction of a greater magnitude than the push or pull in another direction; in some cases, differential stress can result in shearing Dynamic metamorphism – metamorphism that occurs as a consequence of shearing alone, with no change in temperature or pressure Dynamothermal metamorphism – metamorphism that involves heat, pressure, and shearing Exhumation – the process (involving uplift and erosion) that returns deeply buried rocks to the surface Foliation - layering formed as a consequence of the alignment of mineral grains, or of compositional banding in a metamorphic rock Gneiss – a compositionally banded metamorphic rock, typically composed of alternating dark and light colored layers Index minerals – minerals that serve as good indicators of metamorphic grade Isograd – a line on a pressure-temperature graph along which all points are taken to be at the same metamorphic grade Marble –
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chapter 8 flashcard definitions - Differential stress - a...

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