Geol 2312 Igneous and Metamorphic Petrology. Lecture 1 Introduction to Igneous Petrology and Earth’s Physical and Chemical Structure. Jan. 20, 2009. The Realm of Igneous and Metamorphic Rocks.
Geol 2312 Igneous and Metamorphic Petrology
Introduction to Igneous Petrology and Earth’s Physical and Chemical Structure
Jan. 20, 2009
A Fundamental Dilemma to the Study of Igneous and Metamorphic Rocks and the Processes that Create Them
“Study of Rocks formed by the Crystallization of Magma”
What do we want to know about magma?
What do we want to know about crystallization processes?
How do we study igneous rocks to address these questions?
Cobra MELTS Interface
Ghiorso & Sack (1995)
Physical and Chemical Structure of Earth
From Winter (2001)
Plate Tectonics drives Two Stages of Crust-making
1. Mantle partially melts to make ocean crust
2. Ocean crust melts to make continental crust
3. Island Arcs