Is Granite An Example Of A Metamorphic Rock
It is composed mainly of quartz and feldspar with a little amount of mica amphiboles and other minerals.
Is granite an example of a metamorphic rock. Strictly speaking granite is an. This will result in the formation of an igneous rock not a metamorphic rock. There are hundreds of metamorphic rocks across the face of the earth with different compositions and. Three examples of rocks that have the same gneiss is a metamorphic rock granite is an igneous rock and sandstone is granite is a light colored plutonic rock found granite dikes are clearly igneous and granite emplaced in the zinc gold and silver for example.
Compact metamorphic rock that evolved from limestone rocks subjected to high temperature and pressure. Remember these rocks are formed under extreme heat and pressure. Clicking on the name of the rock will bring up a larger picture and a description of the rock type in a new window. Granites can be predominantly white pink or gray in color depending on their mineralogy the word granite comes from the latin granum a grain in reference to the coarse grained structure of such a completely crystalline rock.
In order to create metamorphic rock it is vital that the existing rock remain solid and not melt. Consider how granite changes form. The extensively known example of non foliated metamorphic rock is a marble. Non foliated metamorphic rocks do not have a banded or layered appearance.
Composed of quartz feldspar and mica. Its basic component is calcium carbonate. The table below shows examples of common metamorphic rocks. Gneiss ˈ n aɪ s is a common and widely distributed type of metamorphic rock gneiss is formed by high temperature and high pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks orthogneiss is gneiss derived from igneous rock such as granite.
Paragneiss is gneiss derived from sedimentary rock such as sandstone. Examples of metamorphic rocks. Learn more about metamorphic rocks here. If there is too much heat or pressure the rock will melt and become magma.
Other examples include quartzite hornfels and novaculite. Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Granite is a light colored igneous rock. Igneous rocks are formed through the cooling and solidification of magma or lava.