Is A Granite Or Any Metamorphic Rock Asteroid Possible

Minerals form in rocks by coming out of solution.

Is a granite or any metamorphic rock asteroid possible.

The granitic rock in migmatite probably originated from partial melting of some of the metamorphic rock though in some migmatites the granite may have intruded the rock from deeper in the crust. This las vegas boulder is a. Siliceous metamorphic rocks generally have a lower bulk density than micaceous metamorphic rocks. The rest of the lesson shows some examples of logs of basement rocks that occur in kansas.

As it slowly cooled and pressure released the molecules of compounds in the liquid bond together in a crystal lattic. In the first way sandstone or chert recrystallizes resulting in a metamorphic rock under the pressures and temperatures of deep burial. Other common minerals include mica muscovite and biotite and hornblende see amphibole. This metamorphic rock forms in two different ways.

These minerals make up more than 80 of the rock. At some point the rock experienced extreme heat and pressure and was a liquid. Metamorphic rocks form when rocks are subjected to high heat high pressure hot mineral rich fluids or more commonly some combination of these factors. It consists of coarse grains of quartz 10 50 potassium feldspar and sodium feldspar.

A quartzite in which all traces of the original grains and sedimentary structures are erased may also be called metaquartzite. Metamorphic rocks started out as some other type of rock but have been substantially changed from their original igneous sedimentary or earlier metamorphic form. Some of these rocks are usually found inside other rocks or ores. Granite is a light colored plutonic rock found throughout the continental crust most commonly in mountainous areas.

Endgroup eevee dec 7 18 at 14 07. The great range in igneous and metamorphic rock composition means that individual formations should be considered on a case by case basis. As a result rocks are changed into metamorphic rock across a region that may be many miles wide. Begingroup for starters if you search is granite a metamorphic rock google already tells you that granite is composed of mainly quartz and feldspar with minor amounts of mica amphiboles and other minerals.

The metamorphic rock that granite forms is gneiss. Most metamorphic rocks form during regional metamorphism where whole sectors of the crust are pressurized and heated forcing large volumes of rock to recrystallize into new minerals that are stable under the new conditions. In migmatite you can see metamorphic rock that has reached the limits of metamorphism and begun transitioning into the igneous stage of the rock cycle.