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MIDDLE SCHOOL

Earth and Space Science

Earth's System

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Earth's System: Earth’s Materials

Igneous Rock Classification - I

Description

Igneous Rock Classification - I

Igneous rocks form when molten rock cools and hardens, either beneath the Earth’s surface as magma or above the surface as lava. Even when lava comes from the same volcano, it can create different types of rocks depending on how fast it cools and what minerals are...

Transcript

Did you know that different types of igneous rocks can form from the same lava, each looking and feeling very different?

Scientists classify igneous rocks based on their composition and texture, which vary due to the different ways they form.

Composition is about the minerals in the rock, and texture depends on how quickly the magma ...

Tags

Igneous Rock ClassificationRock Composition AnalysisCrystal Size TextureFelsic Mafic RocksIntrusive Extrusive FormationCooling Rate PatternsMineral Identification MethodsRock Sorting LabTexture InvestigationFormation Model Diagram

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