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Which crystal can help identify as igneous rock as intrusive or extrusive?

What is the effect of location on crystal size? Label the location of intrusive and extrusive igneous rocks on the diagram below. Then, illustrate the crystal size of the rock formed at that location in the appropriate callout circles.


What size crystal do magma make?

it depends on if it is intrusive or extrusive (intrusive is below the earth and extrusive is at or above the earth) intrusive has a bigger crystal because it takes time to cool down.


What size is an intrusive Igneous Rock?

Intrusive igneous rocks can vary in size from small dikes and sills to large batholiths. Dikes and sills are typically on the smaller end of the size spectrum, ranging from a few centimeters to several meters in width. Batholiths, on the other hand, can cover hundreds to thousands of square kilometers.


How does the rate of cooling influence crystal size of igneous rocks and how does that help you to distinguish between intrusive and extrusive igneous rocks?

The longer that magma is able to cool, the larger the crystals will be. Intrusive rocks will have larger crystals than extrusive rocks. For example granite (intrusive) has larger grains than rhyolite (extrusive).


What is the difference in crystal growth between intrusive and extrusive igneous rock?

The crystal growth of intrusive igneous is substantially more so than extrusive igneous. Magma cools quicker on the earth's surface, extrusive igneous formed, as opposed to below the crust, intrusive. Therefore the longer it takes to cool the magma, the more the crystal growth.


What type of crystal gain that forms when molten rocks cool slowly?

Intrusive


Is an intrusive crystal bigger than an extrusive crystal?

Typically, intrusive crystals are larger than extrusive crystals because intrusive rocks cool slowly beneath the Earth's surface, allowing larger crystals to form, while extrusive rocks cool quickly at the surface, producing smaller crystals.


What relative cooling rates of igneous intrusive rocks can be estimated by comparing rocks?

Crystal


How are intrusive rock different from with extrusive rocks?

Intrusive Rocks Intrusive rocks are characterized by large crystal that forms deep underground. Extrusive Rocks They are characterized by fine-grained textures because their rapid cooling at or near the surface.


How can you determine if an igneous rock has had an intrusive or extrusive organ?

by the size of the crystals, big crystals intrusive, small crystals extrusive


Is graphite rock extrusive or intrusive?

GRAPHITE is a native mineral. It is metamorphic and it is effectively the highest grade of coal.


How do intrusive and igneous rocks differ?

Intrusive rocks form beneath the Earth's surface from the cooling of magma, while igneous rocks form above the surface from the cooling of lava. Intrusive rocks have larger crystal sizes due to their slower cooling rates, whereas igneous rocks have smaller crystal sizes due to their faster cooling rates.