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Igneous rocks are formed by the cooling of magma (molten rock underneath the Earth's surface) or lava (molten rock on the surface). Extrusive igneous are formed on top of the surface, while intrusive igneous and plutonic are formed beneath.
Sedimentary rocks are formed by sediments being compacted and cemented. Sediments are small materials, either inorganic (broken of bits of rocks, sand, mud etc) or organic (shells, decaying life forms).
Metamorphic rocks are rocks that have been physically or chemically changed by heat and/or pressure. This can be either contact or regional. Contact is when molten rocks comes close enough to a rock to change it, etc. Regional is metamorphism that occurs over a wide region usually by the force of plate tectonics.
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Why can different types of igneous rock form?
Because there are different types of magma and different pathways for that magma to cool.
What are the two different types of igneaous rock how do they look different?
The two main types of igneous rock are intrusive and extrusive. Intrusive rocks form underground and have larger crystals due to slower cooling. Extrusive rocks form on the Earth's surface and have smaller crystals due to rapid cooling.
What are different types of sedimentary rock?
Coal and Sandstone are two types of sedimentary rocks.
What Rock seems to be made of different rocks crushed together?
These are known as cataclasites and form in the rockmasses in and around fault zones. If the clasts or fragments of differing rock types are large, then the cataclasite is termed a breccia.
What is the chemical name for pebbles?
Pebbles are small bits of rock. Since they can be different types of rock, they would all have different chemical formulae. There is no ONE formula for rock. Limestone is different from granite, which is different from quartz.
Why can different types of igneous rock form?
Because there are different types of magma and different pathways for that magma to cool.
What is a rock made up of similar material that formed the planet?
There are lots of different types of rocks that form the planets.
What are the two different types of igneaous rock how do they look different?
The two main types of igneous rock are intrusive and extrusive. Intrusive rocks form underground and have larger crystals due to slower cooling. Extrusive rocks form on the Earth's surface and have smaller crystals due to rapid cooling.
What types of rock can magma form?
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Which rock type can form by adding heat and pressure to any of the three types of rock?
A metamorphic rock.
What are three types of crystal?
the different types of crystal are sugar salt and rock.
What three types of rock is the earths crust made up of?
no, the eaath is made of five different types of solid rock.
Which two types of rock can form on the Earth's surface?
Some types of igneous and sedimentary rocks can form on Earth's surface.
Is metamorphic rock sedimentary?
No, metamorphic rock is not sedimentary; those are two different types.
What are different types of sedimentary rock?
Coal and Sandstone are two types of sedimentary rocks.
How can a single magma that starts of with a certain chemical composition form several different types of igneous rock without the addition of more material?
A single magma with a unique chemical composition can form different types of igneous rock depending upon which type of magma it is. Magma can either erupt through the surface of the earth and form igneous rocks when it cools and crystallizes on the surface, or it can crystallize at depth in the earth. Each type of eruption of the same magma will produce different types of rock.
What Rock seems to be made of different rocks crushed together?
These are known as cataclasites and form in the rockmasses in and around fault zones. If the clasts or fragments of differing rock types are large, then the cataclasite is termed a breccia.
