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  1. List of rock types - Wikipedia

    Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type. Additionally, different classification systems exist for each …

  2. Types of Rocks - Igneous, Sedimentary, Metamorphic

    Jul 9, 2023 · Learn about the three types of rocks: igneous, sedimentary, and metamorphic. Learn their characteristics and get examples of each type.

  3. Major Rock Types: Igneous, Sedimentary & Metamorphic Explained

    Jun 19, 2025 · List of all Igneous, Sedimentary, and Metamorphic Rock Types with Pictures and Links to Specific Articles about each Type of Rock.

  4. 3 Types of Rock: Igneous, Sedimentary & Metamorphic | AMNH

    Learn about the three types of rock, and see photo examples of each.

  5. Types of Rocks in Geology: A Beginner’s Guide - Geology Point

    Apr 19, 2025 · In this article, we’ll break down the three main types of rocks – igneous, sedimentary, and metamorphic in a way that’s easy to follow, informative, and yes, even a bit fun.

  6. Types of Rocks: Igneous, Sedimentary, Metamorphic - Geology In

    Types of Rocks: Igneous, Sedimentary, Metamorphic Rocks are naturally occurring solid aggregates of minerals or mineraloids. They are classified into three main types based on their formation …

  7. Rocks: Pictures of Igneous, Metamorphic and Sedimentary Rocks

    Photographs and information for a large collection of igneous, metamorphic and sedimentary rocks. Geology.com

  8. 3 Types of Rocks Every Aspiring Geologist Should Know

    Jun 13, 2025 · Geologists classify all types of rocks into three main categories: igneous rocks, sedimentary rocks and metamorphic rocks.

  9. Rock | Definition, Characteristics, Formation, Cycle, Classification ...

    Nov 25, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form …

  10. What Is Rock? Types of Rocks, Their Formation, and Complete …

    A clear, scientifically grounded overview of what rocks are, how the three major rock types form, and why rock classification matters in geology and engineering.