What Does Granite Rock Mean

Granite definition a coarse grained igneous rock composed chiefly of orthoclase and albite feldspars and of quartz usually with lesser amounts of one or more other minerals as mica hornblende or augite.

What does granite rock mean.

Generally composed of feldspar and mica and quartz. Granite is an igneous rock that can be found in either the earth s crust or above ground. Strictly speaking granite is an igneous rock with between 20 and 60 quartz by volume and at least 35 of the total feldspar consisting of alkali feldspar although commonly the term granite is used to refer to a wider range of coarse grained igneous rocks containing quartz and feldspar. To be called a pegmatite a rock should be composed almost entirely of crystals that are at least one centimeter in diameter.

Plutonic igneous rock having visibly crystalline texture. What does granite mean. Most pegmatites have a composition that is similar to granite with abundant quartz feldspar and mica. Granite is a kind of rock.

Granite coarse or medium grained intrusive igneous rock that is rich in quartz and feldspar. It is created deep inside the earth about tens of kilometers underground. Learn more about the properties and uses of granite in this article. These are sometimes called granite pegmatites to indicate their mineralogical composition.

Granite is the signature rock of the continents. Granite used as a noun is rare. It is mostly used as a stone material more than for decorations. It is the most common plutonic rock of the earth s crust forming by the cooling of magma silicate melt at depth.

The other rocky planets mercury venus and mars are covered with basalt as is the ocean floor of earth. Granite is made up of mostly quartz and feldspar. Applying this definition requires the mineral identification and quantification abilities of a competent geologist. Something having the quality of granite unyielding firmness familiarity information.

Granite is the most well known igneous rock mostly because it is so commonly seen as a kitchen countertop or bathroom vanity top. More than that granite is the signature rock of the planet earth itself. Granite noun the noun granite has 2 senses. Main components of granite are quartz potassium feldspar and mica.

The name pegmatite has nothing to do with the mineral composition of the rock. But only earth has this beautiful and interesting rock type in abundance. It is one kind of igneous rock that is magma cooled and became solid.