Explore the fascinating world of Earth's rock cycle and igneous rocks in this 34-minute lecture. Delve into the processes that transform magma into igneous rocks, and follow the journey as these rocks evolve into sedimentary and metamorphic forms. Examine alternative pathways within the rock cycle and discover the diverse types of igneous rocks. Learn about crystallization, rock composition, and the differences between granitic and basaltic rocks. Investigate various igneous rock textures, including fine-grained, coarse-grained, porphyritic, vesicular, glassy, and pyroclastic. Study the classification of igneous rocks and explore common granitic, andesitic, and basaltic varieties. Gain insights into igneous rock formation and the concept of magmatic differentiation. Enhance your understanding with supplementary videos on igneous rock composition and Hawaiian lava flows.
Overview
Syllabus
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
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