![]() ![]() ![]() From shiny obsidian to gorgeous lapis lazuli, here are some of the most amazing types of rocks on the planet that you shouldn’t take for granite. In this article, we’ll introduce you to 30 types of rocks that you ought to know. ![]() While it’s not possible to name every single rock on Earth, it is possible to impress your friends with your rocky knowledge. In fact, there are hundreds of different rock varieties each of which has its own unique features and properties. Rocks are our firm footing on this planet Earth, and without them, our home would be a vastly different place.īut, not all rocks are the same. Wherever you go in this world, rocks are sure to abound. Minerals are inorganic compounds with distinct chemical structures, while rocks are solid masses containing minerals and other compounds a rock can consist of multiple minerals or just one, which is called a mono-mineralic rock.The rock cycle is a natural process that illustrates the constant transformation of rocks over geologic time, driven by forces like plate tectonics and erosion.Metamorphic rocks are formed when an existing rock is subjected to high temperatures or pressures, and can originate from igneous, sedimentary, or other metamorphic rocks.Examples include sandstones and breccias. Sedimentary rocks are formed through the accumulation and compaction of minerals or organic materials, such as sand or mud.Igneous rocks are formed when magma or lava cools, and can be intrusive (cooling within the Earth’s crust) or extrusive (cooling on the surface or seafloor).There are three main types of rocks: igneous, sedimentary, and metamorphic. ![]()
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