'Plutonic rocks' diaporamas de présentation

Chapter 6

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VOLCANOES AND IGNEOUS ROCKS

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Lecture 2a: Igneous classification, mid-ocean ridges

Lecture 2a: Igneous classification, mid-ocean ridges. Questions How many igneous rock names should you learn, and what do they mean? What is a mid-ocean ridge and how does it work? How does plate spreading produce the oceanic crust?

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Igneous Rocks and Volcanoes

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Igneous Rocks

Igneous Rocks. Sire Kassama 2014. Intro to Info. Igneous: granite, basalt, crystallize from hot molten rock There are two main types of igneous rock: intrusive and extrusive Meteorites; igneous rocks from space

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Amongst the common rock forming minerals Felspathoid minerals containing less % of silica are also present which are us

Amongst the common rock forming minerals Felspathoid minerals containing less % of silica are also present which are usually allied with Feldspars. Nepheline (Silicate of sodium and aluminium=>Albite. Leucite (Silicate of potassium and aluminium=>Orthoclase.

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Introduction to Igneous Rocks

Introduction to Igneous Rocks. IN THIS LECTURE The basis of classification Major versus trace versus REE Classification of Igneous Rocks Plutonic Volcanic Other Classification Schemes. Classification of Igneous Rocks.

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IGNEOUS ROCKS

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Igneous Classification

Igneous Classification. Igneous rocks can be classified according to composition , mineralogy , texture and/or locality(!). The first distinction is between volcanic and plutonic rocks.

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Igneous Rock

Igneous Rock. September 12, 2011. Is That a Fact!. Igneous rocks that form deep underground are called plutonic rocks , after Pluto, the god of the underworld in Roman mythology. Volcanic rocks are named after Vulcan, the Roman god of metalworking and fire. Bellringer.

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UNIT 6

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