Igneous Rock Types Granite

Examples of intrusive igneous rocks are diabase diorite gabbro granite pegmatite and peridotite.

Igneous rock types granite.

Rocks labeled as granite in laymen applications can be several other rocks including syenite tonalite and monzonite. Igneous rock may form with or without crystallization either below the surface as intrusive plutonic rocks or on the surface as extrusive volcanic. The two best known igneous rock types are basalt and granite which have distinctly different compositions and textures. Granite is composed mainly of quartz and feldspar with minor amounts of mica amphiboles and other minerals this mineral composition usually gives granite a red pink gray or white color with dark mineral.

As per wikipedia igneous rock derived from the latin word ignis meaning fire is one of the three main rock types the others being sedimentary and metamorphic igneous rock is formed through the cooling and solidification of magma or lava. Granite coarse or medium grained intrusive igneous rock that is rich in quartz and feldspar. What are igneous rocks. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye.

It forms from the slow crystallization of magma below earth s surface. It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth. 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 used by the public as a catchall name for any light colored coarse grained igneous rock.

It s the first thing you learn in a geology class very briefly the three types of rocks are. Igneous rocks are formed from the solidification of molten rock material. To avoid these complications the following figure presents a simplified version of igneous rock nomenclature focusing on the four main groups which is adequate for an introductory student. Igneous they form from the cooling of magma deep inside the earth.

The main minerals in igneous rocks are hard primary ones. There are two basic types. Granite is a type of igneous rock that consists of quartz gray plagioclase feldspar white and alkali feldspar beige plus dark minerals such as biotite and hornblende. Intrusive igneous rocks crystallize below earth s surface and the slow cooling that occurs there allows large crystals to form.

Learn more about the properties and uses of granite in this article. The three types of rocks. Feldspar quartz amphiboles and pyroxenes together called dark minerals by geologists as well as olivine along with the softer mineral mica.