Petrology Lecture Notes Online

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Introductory Material

Introduction
Rock Names

IUGS Igneous Rock Classification

Using the Camera Scales

Norms

Norm Calculations
Gram Formula Weights
Sample Spreadsheet
Diopside-Hypersthene Sample Spreadsheet

Phase Diagrams

Composition Axes
Binary Phase Diagrams
Some_Binary_Diagrams
The Lever Rule
G-X vs T-X Diagrams
Triangular Graph Paper
Ternary Phase Diagrams
Halide Isothermal Sections

Phase Diagram Implications

Granite System:

Liquidus Diagram at 1 atmosphere
Isothermal Section at 1040°C
Isothermal Section at 1200°C

Igneous Geochemistry

Trace Elements
Equations for Radioactive Decay

Metamorphism

Metamorphism Introduction
Some Mineral Stabilities During Metamorphism
Geologic Pressures
A Steady-State Geothermal Gradient
ACF Metamorphic Facies
CMS Assemblages
CMS Reactions
AFM Diagrams
Frank Spear's paper on animated AFM diagrams

 

More Coming Soon......