0
What type of crystal are formed from in extrusive igneous rocks?
Wiki User
∙ 13y ago
Small crystals, invisible without magnification.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Which is not a common extrusive igneous rock?
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
What igneous rock are formed when lava cools at earth's surface?
Extrusive igneous rocks are formed
What are rocks called that formed from volcanic process?
Those would be igneous rocks. Extrusive igneous rocks.
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.
Can igneous rock be formed above or below ground?
It is formed both- above ground (as extrusive igneous rocks) or below ground (as intrusive igneous rocks).
What are igneous rocks formed at the earths surface called?
Extrusive igneous rocks.
Igneous rock are classified based upon their?
There are two types of igneous rocks; intrusive and extrusive. Intrusive igneous rocks are formed underneath the earth's surface from magma where it cools slower and develops large crystal structures. Extrusive igneous rocks are formed above the earth's surface from lava that cools quickly and creates rocks with smaller, finer crystal structures.
Igneous rocks formed from lava on Earth's surface?
Extrusive igneous rocks.
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.
Which is not a common extrusive igneous rock?
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
What igneous rock are formed when lava cools at earth's surface?
Extrusive igneous rocks are formed
What is the crystal size for extrusive igneous rocks?
Fine grained
What are rocks called that formed from volcanic process?
Those would be igneous rocks. Extrusive igneous rocks.
What are the igneous rocks that are formed by fast-cooling lava?
Extrusive
Rocks formed from volcanic eruption are called what?
They are called extrusive igneous rocks.
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.
Can igneous rock be formed above or below ground?
It is formed both- above ground (as extrusive igneous rocks) or below ground (as intrusive igneous rocks).
