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Igneous Rock Classification and How to Use the QAPF Diagram - Igneous Petrology

GEO GIRL via YouTube

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This introductory lecture explains igneous petrology and teaches classification of plutonic, volcanic, and ultramafic rocks by grain size, silica content, and modal mineralogy, including IUGS QAPF diagrams.

Syllabus

What Igneous Petrology is & importance
Importance of Mineralogy Before Petrology
Classification of igneous rocks
Classification by grain size volcanic vs. plutonic
Classification by silica felsic vs. mafic
Modal Mineralogy
IUGS QAPF Diagram
QAPF Diagram w/rock pictures
Ultramafic Rock Classification
IUGS Volcanic Classification
Textbooks used for this lecture!
Dog! not mine, but adorable

Taught by

GEO GIRL

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