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YouTube

The Importance of Physics to Thermobarometric Research

Mineralogical Society of America via YouTube

Overview

Explore the critical role of physics in thermobarometric research through this 24-minute talk by Ross Angel from the University of Pavia. Delve into topics such as mapping stress fields using Raman spectroscopy, the effects of confinement on stress gradients, and the challenges posed by isotropic and anisotropic inclusions. Learn how Raman spectroscopy can be used to measure strains in minerals like quartz in garnet. Discover the consequences of anisotropic thermal pressure and the opportunities it presents for advancing metamorphic petrology. Gain insights into the evolution of the field from its first age to what Angel calls "A Second Golden Age for Metamorphic Petrology."

Syllabus

Intro
Importance of Physics to Thermobarometry
First age of Metamorphic Petrology
Mapping stress fields by Raman
Confinement creates stress gradients
Some BIG questions for Geology
The isotropic inclusion
The anisotropic inclusion problem
Elastic anisotropy: Raman
Raman mode shifts with anisotropic strains
Use Raman to measure strains
Does it work for quartz in garnet? YES!
Anisotropic Thermal Pressure Consequences
Anisotropic Opportunities
A 2 Golden Age for Metamorphic Petrology

Taught by

Mineralogical Society of America

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