The Metamorphic Equivalent Of Granite Is

Under ideal conditions rock can melt and yield a granite composition at temperatures as low as.

The metamorphic equivalent of granite is.

Then subjected to new conditions of temperature and pressure causing. What is the metamorphic equivalent of granite. Metamorphism is the addition of heat and or pressure to existing rocks which causes them to change physically and or chemically so that they become a new rock. Metamorphic rocks the word metamorphic is derived from the greek words meta change and morph form when applied to rocks it therefore refers to rocks that have changed their form rocks that may have originally been sedimentary igneous or another metamorphic rock.

Volatiles are those chemical substances including water and carbon dioxide that easily turn into gas or fluid and are mobile enough to move in and out of solid rock. Strictly speaking granite is an. The metamorphic rock that granite forms is gneiss. Granites and rhyolites compositionally equivalent to granite but of a fine grain size are composed mainly of orthoclase feldspar quartz plagioclase feldspar mica and amphibole.

Metamorphic rocks form from pre existing rocks parent rocks due to changes in either temperature pressure or volatiles within the earth often by a combination of all three. In the large outcrop of metamorphic rocks in figure 1 the rocks platy appearance is a result of the process metamorphism. A useful tool illustrating the relationships among igneous sedimentary and metamorphic rocks is called the. The coarse grained equivalent of basalt is a n.

Granite is equivalent to gneiss what metamorphic rock does granite form into. 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 equivalent to gneiss. This chart illustrates the generalized mineral composition of igneous rocks.

2013 03 25 18 31 02 2013 03 25 18 31 02. Paragneiss is gneiss derived from sedimentary rock such as sandstone.