'Mafic rocks' diaporamas de présentation

Important Economic Minerals

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IV. Igneous Rocks Minerals Crystallized from Melts

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Objectives

What are igneous rocks?. Objectives. Compare and contrast intrusive and extrusive igneous rocks. Describe the composition of magma. Discuss the factors that affect how rocks melt and crystallize. Vocabulary. igneous rock lava extrusive intrusive. partial melting

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G. Nelson Eby Department of Environmental, Earth, & Atmospheric Sciences University Massachusetts

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III. Igneous Rocks Minerals Crystallized from Melts

III. Igneous Rocks Minerals Crystallized from Melts. 1. The Rock Cycle 2. Formation of Igneous Rocks 3. Classification of Igneous Rocks 4. Igneous Rocks and Plate Tectonics. Geological Materials Transformation Processes. The Rock Cycle. Igneous Rock Solidification Magma

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Igneous Rocks

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Classification of igneous rocks

Classification of igneous rocks. Chapter 2. How to classify. Composition Chemistry Mineralogy Texture/fabric. Classification based on texture/fabric. Phaneritic Minerals large to see with naked eye Cooling history? Aphanitic Minerals need microscope to see

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Chapter 5-Igneous Rocks

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Rocks, Sediment and Soils Products of an Active Planet

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Volcanoes and Volcanism

Wildcat Mountain and Mt Washington. Kyle Migliorini. Rock Candy. 1 Glass jar or drinking ... Tie a short piece of cotton string to the middle of the pencil or stick. ...

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Geol 2312 Igneous and Metamorphic Petrology

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Atwood Quarry, Port Clyde, ME Chelsea Sonksen

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MGS Report of Investigations 58, Chapter 1 by

TERMINOLOGY, NOMENCLATURE, AND CLASSIFICATION OF KEWEENAWAN IGNEOUS ROCKS OF NORTHEASTERN MINNESOTA. MGS Report of Investigations 58, Chapter 1 by James D. Miller, Jr., John C. Green, and Mark J.Severson. Descriptive Terminology. Pyroxene-based (augite) bulk textural terminology

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Pelitic Schists: Fun with AFM Diagrams

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The Minerals of Metamorphosed Mafic Rocks

The Minerals of Metamorphosed Mafic Rocks. Mafic rocks generally have igneous protoliths: basalt and its coarse-grained equivalent, gabbro. Minerals of Metamorphosed Mafic Rocks. Plagioclase (Ca,Na)(Al,Si) 4 O 8 (like in igneous rocks) Amphiboles (double-chain silicates)

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