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Chapter 5-2 Elsakka

Igneous Rock

QuestionAnswer
How is Igneous Rock classified? according to their origin, texture, and mineral compostition.
Instusive Rock igneous rock formed when -MAGMA- hardens beneath Earth's surface EX. Granite
Extrusive Rock igneous Rock formed from -LAVA- that erupted into earths surfact EX. Basalt
Lava low in silica content-dark colored rock-basalt
magma high in silica content- lightcolored rock-granite
Texture size/shape of mineral crystals
What are charicteristics of Igneous rock that make it good for tools hard, dense durable
Basalt-extrusive-dark colr-low in silica-oceanic Granite-instrusive-light colored-high in silica-continental
Created by: puppydogx05
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