Is Marble Intrusive Or Extrusive

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

Is marble intrusive or extrusive.

Before discussing further differences between both rocks let us see what is a rock and what are intrusive rocks and extrusive rocks. Br br as a result you won t be able to see them as individual. The terms intrusive and extrusive apply to igneous rocks. Extrusive rock any rock derived from magma molten silicate material that was poured out or ejected at earth s surface.

The terms magma and lava have been used interchangeably for a long time and rightfully so. The molten material then slowly solidifies below earth s surface where it may later be exposed through erosion. Marble is a metamorphic rock that was originally limestone a sedimentary rock and is composed primarily of the mineral calcite. Intrusive igneous rocks are formed when the magma cools off slowly under the earth s crust and hardens into rocks.

The central cores of major mountain ranges consist of intrusive igneous rocks usually granite. Intrusive igneous rocks crystallize below earth s surface and the slow cooling that occurs there allows large crystals to form. Intrusive rocks are very hard in nature and are often coarse grained. Start studying science rocks.

Some cool so. Extrusive igneous rocks are formed when molten magma spill over to the. The coarse grained rock is made up of different elements including quartz and feldspar and its formation makes it an intrusive rock. The question is granite intrusive or extrusive is therefore a common among many people.

Gabbro and granite are examples of intrusive igneous rocks. Learn vocabulary terms and more with flashcards games and other study tools. Granite is an intrusive igneous rock composed mainly of feldspar.