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igneous rock  Three Types of Rock Part of Hall of Planet Earth There are three kinds of rock: igneous, sedimentary, and metamorphic Igneous rocks form when molten rock ( • Igneous rocks form the framework for the earth's crust Page 2 2 General Characteristics of Magma • Igneous rocks form as molten rock cools and solidifies

Igneous Examples: 10 Rock Types Explained · Igneous Rocks and Formations · Andesite Rock · Basalt Rock · Dacite Rock · Granite Rock · Obsidian Rock · Pegmatite Granite This is a hard igneous rock made up of clearly visible crystals of various minerals Granite looks good when it is polished and because it is also a

As the magmalava cools these elements chemically combine, or crystallize, in geometric patterns to form the eight rock forming minerals For หินที่เกิดจากการเย็นตัวและตกผลึกของหินหนืด โดยสามารถจำแนกหินอัคนีตามการกำเนิดหินออกเป็น 2 ประเภทหลัก ได้แก่ Intrusive Rock or Plutonic Rock