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There are three major types of rock: igneous rock, metamorphic rock, and sedimentary rock. Igneous rocks. A sample of andesite (dark groundmass) with amygdaloidal vesicles filled with zeolite. Diameter of view is 8 cm. Adakite – Volcanic rock type. Andesite – Type of volcanic rock.
Rocks: Igneous, Metamorphic and Sedimentary. Rocks hold the history of the earth and the materials that will be used to build its future. Igneous Rocks: Photos, descriptions and facts about intrusive and extrusive igneous rocks. Andesite. Basalt. Dacite. Diabase. Diorite. Gabbro. Granite. Obsidian. Pegmatite. Peridotite. Pumice. Rhyolite. Scoria.
List. Sorted by name; initial letter means Igneous, Sedimentary or Metamorphic rocks. A. I Andesite – an intermediate volcanic rock. M Anthracite – a form of hard coal. B. S Banded iron formation – a fine grained chemical sedimentary rock composed of iron oxide minerals. S Bauxite – the main ore of aluminium. It is mostly aluminium oxide.
While it’s not possible to name every single rock on Earth, it is possible to impress your friends with your rocky knowledge. In this article, we’ll introduce you to 30 types of rocks that you ought to know.
List of all Igneous, Sedimentary, and Metamorphic Rock Types with Pictures and Links to Specific Articles about each Type of Rock.
Different Types of Rocks with Names and Examples. Whether you’re an avid rockhound or someone who just loves nature, you notice rocks everywhere. Fact is, you can’t even take the dog for a walk down the street without stepping on them. Rocks are everywhere you look.
Igneous, sedimentary, and metamorphic rocks are the three types of rocks. Rocks fall into one of these categories depending on how they form and are then further subcategorized according to formation, composition, and other properties.
A rock formation is an isolated, scenic, or spectacular surface rock outcrop. Rock formations are usually the result of weathering and erosion sculpting the existing rock. The term rock formation can also refer to specific sedimentary strata or other rock unit in stratigraphic and petrologic studies.
Learn more about major types of sedimentary rocks including arkose, alabaster, rock gypsum, sandstone, rock salt, and coal.
Learn about igneous rocks in geology, including their origin, properties, and classification. Get examples and identification tips.