'Magmatic differentiation' presentation slideshows

Stable Interior Shields Platforms (basin & domes) Folds & Cordillera

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Layered Igneous Intrusions

Layered Igneous Intrusions. IN THIS LECTURE Compositional Variation in Magmas Crystal Fractionation The Phase Rule Binary Systems Congruent versus Incongruent Melting Crystal Liquid Separation Mechanisms Gravitational Settling Textures Characteristics of Layered Igneous Intrusions.

277 views • 24 slides

Diversification of magmas

Diversification of magmas. Chapter 12. What happens to a magma once melted? Magmatic differentiation: any process by which a magma changes composition Most common: Crystal-melt fractionation Assimilation of a contaminant Mixing of magmas. Chemical evidence of differentiation

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The Complicated Geologic History of Asteroid 4 Vesta

The Complicated Geologic History of Asteroid 4 Vesta. Spectral studies of the HED meteorites show that they likely come from asteroid 4 Vesta. HED stands for: Howardites, which are mixtures of: Eucrites (basaltic lava flows) Diogenites (orthopyroxenites)

198 views • 3 slides