A PRESENTATION BY CHLOE THORPE. CHARACTERISTICS OF ROCKS COLOR TEXTURE HARDNESS WEIGHT.
Objectives Compare and contrast intrusive and extrusive igneous rocks. What are igneous rocks? Describe the composition of magma. Discuss the factors.
What is a rock? A rock is a combination of minerals. For example: Granite is composed of biotite, quartz, and feldspar.
Classification based upon formation. Igneous rocks form from molten lava. What’s the difference between magma and lava? The formation of igneous rocks.
Intrusive igneous rocks form when magma cools within existing rocks in Earth’s crust. Extrusive igneous rocks form when magma cools on Earth’s surface,
Igneous Rocks, Intrusive Activity, and the Origin of Igneous Rocks Physical Geology, Chapter 3.
Rocks and Minerals 8 September 2014. Rocks and Minerals: Definitions –A mineral is solid inorganic material of the Earth that has both a known chemical.
Rocks Section 2 Section 2: Igneous Rock Preview Objectives The Formation of Magma Textures of Igneous Rocks Composition of Igneous Rock Intrusive Igneous.
The Rock Cycle- Minerals form rocks All rocks can be transformed into other rock types Rocks are divided into 3 categories Igneous- crystalline- forms.
The Rock Cycle- Minerals form rocks All rocks can be transformed into other rock types
Objectives
Lecture Outlines Physical Geology, 12/e Plummer & Carlson Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
