Why is this a rather difficult distinction to make? In what ways may changing temperature affect metamorphic mineral assemblages and textures? What is a and how do they differ from a (at the metamorphic field gradient, geothermal gradient time of metamorphism)? Describe a situation in which a and a would be the metamorphic field gradient geothermal gradient same. What is lithostatic pressure? What would be the shape of a for rocks experiencing lithostatic pressure? strain ellipsoid How does differ from flattening shear?
Why is this a rather difficult distinction to make? In what ways may changing temperature affect metamorphic mineral assemblages and textures? What is a metamorphic field gradient, and how do they differ from a geothermal gradient (at the time of metamorphism)? Describe a situation in which a metamorphic field gradient and a geothermal gradient would be the same. What is lithostatic pressure? What would be the shape of a strain ellipsoid for rocks experiencing lithostatic pressure? How does flattening differ from shear?
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