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en.wikipedia.org/wiki/Formation_of_rocks

This article discusses how rocks are formed. There are also articles on physical rock formations, rock layerings (strata), and the formal naming of geologic formations. The three main ways rocks are formed: ... As it moves, it cools and various rock types will form through a process known as fractional crystallization. Igneous ...

www.learner.org/interactives/rockcycle/types.html

The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and ... Together, all these particles are called sediment. ... Igneous rocks are formed when magma (molten rock deep within the earth) cools and hardens.

jersey.uoregon.edu/~mstrick/AskGeoMan/geoQuerry13.html

What are the 3 basic types of rocks? ... be put into one of two main categories of human being, all rocks can be put into one of three fundamentally different types of rocks. ... Click here for more on plate tectonics and the formation of magma.

www.kidsloverocks.com/html/types_of_rocks.html

The foundation of a great rock collection is to identify your rocks by type. ... To help you identify the types of rocks in your collection, let's look at the characteristics that make up the three types. ... Igneous rocks are formed from melted rock that has cooled and solidified. ... Sedimentary rocks are forming around us all the time.

www.dummies.com/education/science/the-three-categories-of-rocks-and-the-rock-cycle

Geologists classify the rocks of earth's crust in one of three categories — igneous, ... Each type of rock has its own unique characteristics: Igneous: ... Detrital rocks are formed by the compaction of separate particles, or sediments, into a rock.

.ask.com/youtube?q=How+Are+Each+of+the+Three+Rock+Types+Formed%3F&v=17l2LrjZi9o
Aug 10, 2015 ... Rocks can be broadly divided into three types on the bases of their formation, namely igneous ... Unsubscribe from Smart Learning for All?
.ask.com/youtube?q=How+Are+Each+of+the+Three+Rock+Types+Formed%3F&v=EGK1KkLjdQY
Mar 14, 2016 ... There are three main types of rock: igneous,. ... how they are formed, some examples of each type, and how the rock cycle works to change one ...

en.wikibooks.org/wiki/Identifying_Rocks_and_Minerals/Types_of_Rocks

There are three different types of rocks: Igneous, Sedimentary, and Metamorphic. The difference between each type is in how they are formed.

www.universetoday.com/46594/how-are-rocks-formed

Apr 26, 2016 ... In all, there are three types of rocks: igneous, sedimentary, and metamorphic. Each type of rock has a different origin. Therefore, the question ...

www.amnh.org/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/david-s.-and-ruth-l.-gottesman-hall-of-planet-earth/how-do-we-read-the-rocks/three-types-of-rock

There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary ...