Overview of Igneous Rocks:
1. Melting the mantle
-
decompression
-
heating
-
adding H2O
2. Composition of the mantle
-
seismic evidence
-
direct samples (ophiolites and xenoliths)
3. Introduction to
peridotites
4. Where to look for
diamonds
5. Basaltic melts:
Crystallization paths
-
discontinuous
-
continuous
6. BowenÕs reaction series
7. Structure of silicate
melts
8. Nomenclature of igneous
rocks
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chemical composition
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mineralogy
-
textures
9. Importance of volatiles
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volatiles in storage reservoirs
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volatiles and eruptions