'Fractional crystallization' diaporamas de présentation

Table of Contents

Chapter 6. Rocks. Table of Contents. Section 1 Rocks and the Rock Cycle Section 2 Igneous Rock Section 3 Sedimentary Rock Section 4 Metamorphic Rock. Section 1 Rocks and the Rock Cycle. Chapter 6. Objectives.

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Chapter 14 Ocean Intraplate Volcanism (from Plumes)

Chapter 14 Ocean Intraplate Volcanism (from Plumes). Ocean islands and seamounts Commonly associated with hot spots. Figure 14-1. After Crough (1983) Ann. Rev. Earth Planet. Sci., 11, 165-193. Ocean islands and seamounts Commonly associated with hot spots. Types of OIB Magmas.

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Fuji

Kao. Fuji. Mayan. Bali. Pinatubo. Pinatubo. Stratovolcanoes. Cinder Cones. Gas Content. Fountains: shields and plateaus. Domes. Viscosity. Classification of Igneous Rocks.

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Chapter 19: Continental Alkaline Magmatism

Chapter 19: Continental Alkaline Magmatism. Alkaline rocks occur in all tectonic environments, including the ocean basins Conversely, Chapters 12, 15, 17, and 18 have shown us that magmatism on the continents can be highly varied, including tholeiitic and calc-alkaline varieties

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Earth Materials--Rocks and Minerals

Earth Materials--Rocks and Minerals. CHAPTER 2. Minerals and Rocks. Definition of a mineral: Naturally occurring Inorganic Solid Definite chemical composition (or range) Orderly internal crystal structure . Mineral Importance. Economic Conditions of environment

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Petrology Chapter 4

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Igneous Rocks I

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Lecture 10: MORB petrogenesis

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Eutectic and Peritectic Systems

Eutectic and Peritectic Systems. Winter, Chapter 6. Eutectic Systems. Example: Diopside - Anorthite No solid solution. Isobaric T-X phase diagram at atmospheric pressure. After Bowen (1915) , Amer. J. Sci. 40, 161-185 . Cooling from composition a:. bulk composition = An 70.

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Ch. 5 Sec. 1

Ch. 5 Sec. 1. Igneous Rocks. Igneous rocks are the rocks that form when molten material cools and crystallizes. Review Vocabulary. silicate: mineral that contains silicon and oxygen, and usually one or more other elements. I. Igneous Rock Formation. Formation 1. Molten material

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Geol 2312 Igneous and Metamorphic Petrology

Geol 2312 Igneous and Metamorphic Petrology. Lecture 11 Diversification of Magmas. February 18, 2009. Creating Diverse Magma Compositions. Processes Occurring in the Mantle different degrees of partial melting of the mantle mantle melting at different pressures (depth)

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Chapter 15: Continental Flood Basalts

Chapter 15: Continental Flood Basalts. Large Igneous Provinces (LIPs) Oceanic plateaus Some rifts Continental flood basalts (CFBs). Figure 15-1. Columbia River Basalts at Hat Point, Snake River area. Cover of Geol. Soc. Amer Special Paper 239. Photo courtesy Steve Reidel.

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Metamorphic Rocks

Metamorphic Rocks. Metamorphism Pressure and temperature increase with depth When temperature or pressure become high enough, rocks melt and form magma. Metamorphic Rocks. This happens when the rocks do not quite reach the melting point.

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Ab-An Binary vs. Water Pressure

Ab-An Binary vs. Water Pressure. Johannes, 1978; Morse, 1980. Hypersolvus vs. Subsolvus Granites. Yoder et al., 1957; Morse, 1970. An-Ab-Kfsp Ternary - Flattened. An-Kfsp Binary. Ab-Kfsp Binary. An-Ab Binary. Nekvasil & Lindsley, 1990; Brown, 1993. Intersection of Liquidus Surfaces.

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Lab 3. Binary Phase Diagrams

Lab 3. Binary Phase Diagrams. Binary Peritectic System.

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Mantle Melting

Mantle Melting. Some slides from Mary Leech.

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