Igneous and Metamorphic Rocks
Igneous and Metamorphic Rocks
Igneous and Metamorphic Rocks
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Major Concepts<br />
• Mt <strong>Metamorphic</strong> hirocks k can be b formed f df from any rock k<br />
type: igneous, sedimentary, or existing<br />
metamorphic rocks. rocks<br />
• Involves recrystallization in the solid state, often<br />
with little change in overall chemical composition.<br />
• Driving forces are changes in temperature,<br />
pressure, p , <strong>and</strong> ppore<br />
fluids.<br />
• New minerals <strong>and</strong> new textures are formed.