Igneous Metamorph Gjeiss Sandstone Sediment Granite

Igneous sedimentary and metamorphic.

Igneous metamorph gjeiss sandstone sediment granite.

Granite is an igneous rock while gneiss is a rock that may have been igneous or sedimentary earlier but has undergone metamorphic process. About 27 000 years ago lava flowed on top of the navajo sandstone forming black ropey basalt in snow canyon state park washington county. Composed of quartz feldspar and mica. These rocks primarily consist of quartz feldspar and mica.

It has a glorious banding which is apparent on microscopic scale and hand specimen. Compact metamorphic rock that evolved from limestone rocks subjected to high temperature and pressure. What is this roof made of. This article attempts to highlight their differences.

Each category is then further subdivided. To aid in their study of the earth geologists group rocks into three categories based on their origin. Igneous sedimentary metamorphic rocks. Gneiss is a foliated metamorphic rock that is a common distribute type of rock high grade regional metamorphic approaches from pre current formations that have been initially both igneous or sedimentary rocks.

Its composition is equal to that of granite but forms alternating layers of clear and dark minerals. Its basic component is calcium carbonate. Examples of metamorphic rocks. All rocks undergo a series of processes called the rock cycle where one type of rock changes into another.