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Intro
THE ROCK CYCLE
FROM MAGMA TO IGNEOUS ROCK
FROM IGNEOUS TO SEDIMENTARY ROCK
FROM SEDIMENTARY TO METAMORPHIC ROCK
ALTERNATIVE PATHS
TYPES OF IGNEOUS ROCKS
CRYSTALLIZATION
COMPOSITION OF IGNEOUS ROCKS
GRANITIC VS. BASALTIC
THE OTHER GROUPS
IGNEOUS ROCK TEXTURES
FINE-GRAINED TEXTURE
COARSE-GRAINED TEXTURE
PORPHYRITIC TEXTURE
VESICULAR TEXTURE
GLASSY TEXTURE
PYROCLASTIC TEXTURE
IGNEOUS ROCK CLASSIFICATION
COMMON GRANITIC ROCKS (CONT'D)
COMMON ANDESITIC ROCKS
COMMON BASALTIC ROCKS
IGNEOUS ROCK FORMATION
MAGMATIC DIFFERENTIATION
surface of the solid Earth.
6 The rock shown here has a
Spahn's Science Lectures
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