Mineral-rich rocks are developed in plenty of places top top the surface of the earth and beneath. These are igneous, metamorphic, and sedimentary rocks, and also each one is different from the others. This post lays out the significant keolistravelservices.coms between these three an easy rock types.

You are watching: Difference between igneous and metamorphic rock

Igneous RocksSedimentary RocksMetamorphic Rocks
Formed indigenous cooled, solidified molten rockFormed from precipitate of dust, dirt, and also other matter on lake beds and sea floorsFormed by intense heat and pressure beneath the earth
Source that mineral deposits (e.g. Tin, uranium)Used in building and construction work (roads, tunnels, bridges)Used in geology research
Basalt, graniteLimestone, shale, sandstoneMarble, quartzite, slate


Granite is a common example of an igneous rock

Igneous rocks room rocks do of molten magma made liquid by intense warm deep within the earth. This rocks are developed when magma is expelled ~ above the earth’s surface ar as lava. As soon as lava cools down and also hardens, it becomes igneous rocks such together tuff and also basalt. There space instances as soon as magma cools down prior to coming out to the surface and forms a type of igneous rock referred to as intrusive igneous rock. Granite, diorite, and also gabbro are instances of this kind of igneous rock. Lava from volcanic eruptions that has actually solidified on the surface is called extrusive igneous rocks. Examples of extrusive igneous rocks space basalt, rhyolite, and andesite.

The metamorphic absent Lapis Lazuli: a valuable gemstone

Metamorphic rocks space rocks that have readjusted as a result of exposure to extreme pressure and also heat. The term “metamorphic” chin is the combination of the Greek words meta, which method “after,” and morph, which method “change.” intense temperatures and pressure beneath the earth reason physical and also chemical change to igneous and also sedimentary rocks, leading to them to type metamorphic rocks. Marble comes from limestone, when slate is developed from shale or mudstone. This rocks are created either by being subjected to good pressure in ~ the planet (regional metamorphism) or by magma coming into contact with the rocks.

A arsenal of sedimentary rocks

Sedimentary rocks space made native sediments. Tiny rock particles, dead animals, plants, and other microorganisms work out at the bottom of lakes and oceans to type sediments. The most common sedimentary rocks incorporate sandstone, shale, and also limestone.

About 75% come 80% that the earth land mass is created of sedimentary rocks. The earth’s crust, however, is comprised of just 5% sedimentary rocks. Shale is the many abundant form of sedimentary rock, adhered to by sandstone and also carbonate.

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Igneous vs Metamorphic vs Sedimentary Rocks

So what’s the keolistravelservices.com between igneous, metamorphic, and also sedimentary rocks? Igneous rocks space molten rocks expelled together lava that has actually cooled and become solid. This type of absent is usually found in the earth mantle. Metamorphic rocks, ~ above the other hand, are revolutionized rocks as a an outcome of exposure to extreme heat and pressure beneath the earth mantle. Metamorphic rocks are usually uncovered on the surface. Sedimentary rocks are generally created by issue that has cleared up beneath lakes and also ocean floors. These rocks are developed through years of precipitate of dust, dirt, and other matter.

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Igneous rocks are an excellent sources the mineral deposits such together tin, tungsten, and uranium. Metamorphic rocks are offered by geologists to conference information about pressures and temperatures current in the earth’s crust. Sedimentary rocks are common construction materials for structure roads, tunnels, and also houses.