'Metamorphic grade ' presentation slideshows

Dr. Salve P. N. M.A.,SET, Ph.D . Maharaja Jivajiro Shinde Mahavidyalya Shrigonda

Metamorphism Rock. Dr. Salve P. N. M.A.,SET, Ph.D . Maharaja Jivajiro Shinde Mahavidyalya Shrigonda Dist : Ahmednagar. Types of Metamorphism. Regional Metamorphism: Large-scale deformation associated with T and P. 3 Types of Metamorphism. Contact Metamorphism:

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The Rock Cycle

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Rocks

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Introduction to Metamorphism

Introduction to Metamorphism. IN THIS LECTURE Definition of Metamorphism Limits of Metamorphism Agents of Metamorphic Change Temperature Pressure Stress and Strain Fluids Metamorphic Change Classification of Metamorphic Rocks Types of Metamorphism. Introduction to Metamorphism.

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The Rock Cycle

The Rock Cycle. Metamorphosed Sedimentary Rock. Formation of new minerals. Recrystallization/deformation. Recrystallization. Recrystallization. Limestone under microscope. Marble under microscope. 5 mm. 5 mm. Differential stress and the development of Slate. Slate and Slaty cleavage.

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Introduction to Metamorphic Rocks

Introduction to Metamorphic Rocks. Metamorphism is the solid-state transformation of pre-existing rock into texturally or mineralogically distinct new rock as the result of high temperature, high pressure , or both. Differential Pressure. The Concept of Lithostatic Pressure.

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The IUGS has proposed the following definition of metamorphism:

Metamorphism. The IUGS has proposed the following definition of metamorphism:

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Metamorphism of Pelites

Metamorphism of Pelites. IN THIS LECTURE Types of Protoliths Examples of Metamorphism Orogenic Metamorphism of the Scottish Highlands Barrovian vs Buchan Style Metamorphism Regional Metamorphism Otago New Zealand Contact Metamorphism of Pelitic Rocks. Types of Protolith.

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Metamorphism

Metamorphism. Changes in Rock Composition or Texture Due to Heat, Pressure and Action of Fluids. Take-Away Points. Rocks change due to heat, pressure, and fluids Heat in the earth is original heat plus heat from radioactive decay

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Metamorphic Rocks

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The Limits of Metamorphism

The Limits of Metamorphism. Low-temperature limit grades into diagenesis The boundary is somewhat arbitrary Diagenetic/weathering processes are indistinguishable from metamorphic Metamorphism begins in the range of 100-150 o C for the more unstable types of protolith

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Metamorphism of Pelites

Metamorphism of Pelites. IN THIS LECTURE Types of Protoliths Examples of Metamorphism Orogenic Metamorphism of the Scottish Highlands Barrovian vs Buchan Style Metamorphism Regional Metamorphism Otago New Zealand Contact Metamorphism of Pelitic Rocks. Types of Protolith.

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Metamorphism

Metamorphism. Chapter 6 Pages 130-149. Causes of Metamorphism. Internal heat of the Earth Pressure Fluid composition. Role of Temperature. Larger crystals are formed in rocks during metamorphism Increased geothermal gradient such as 30 o C per km of depth

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Response Writing

Response Writing. Lucas Link & Aaron Gibbons. Response Writing. Donald Murray, 1984 Teaching writing should include process Prompt students for immediate, on topic, response: questions, comments, complaints Encourages deeper thinking Makes Connections. Ask students to write about:.

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Metamorphism and Metamorphic Rocks

Metamorphism and Metamorphic Rocks. Dr. R. B. Schultz. Metamorphic Rocks

560 views • 11 slides