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it look like a magam
What else can I help you with?
Why do extrusive rocks look like shiny black glass?
they dont
What is extrusive igneous rocks used for?
Extrusive igneous rocks i think are used for carving and awesome things like that!
Is apatite intrusive or extrusive?
Apatite is typically found as an accessory mineral in both intrusive and extrusive igneous rocks. It is more common in intrusive rocks like granite, but can also be found in extrusive rocks like basalt.
Are basaltic rocks extrusive or intrusive?
Basaltic rock are true to be extrusive rock
How extrusive rocks form?
extrusive rocks can form from Basaltic Lava and Andesitic Lava. :)
What Evidence Would You Look For If Attempting To Classify A Piece of igneous Rock as Extrusive?
Extrusive igneous rocks have very small crystal grains.
Does lava produce Extrusive or Intrusive rocks?
extrusive
What are the main two types of igneous rocks?
Igneous rocks are classified as either extrusive or intrusive. Extrusive rocks form from lava at or above the ground, and intrusive rocks form from magma below the ground. Granite is intrusive, pumice is extrusive.
What are igneous rocks that form over the surface?
Rhyolititcen rocks.
What grain type is found in extrusive igneous rocks?
Extrusive igneous rocks are usually fine grained.
What kind of igneous rocks for on earths surface?
Some do. These are called extrusive igneous rocks. However a large portion of igneous rocks form beneath the surface. These are intrusive igneous rocks.
Igneous rocks are described as intrusive or extrusive based on?
Igneous rocks are described as intrusive or extrusive based on formation. Intrusive rocks forms underneath the earth surface, while extrusive rocks forms on the surface of earth.
