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How can you determine if a igneous rock has had an intrusive or extrusive origin?
== Grain size. Most intrusive igneous rocks will have visible crystals. Crystals in most extrusive igneous rocks are not easily visible.
What is a black intrusive rock with small crystals?
Intrusive rock normally has visible crystals. Extrusive igneous rock has small crystals. A black extrusive igneous rock with small crystals could be basalt.
You find an igneous rock with no visible mineral crystals were did this rock most likely form?
in a cave
What do small crystals in an igneous rock mean?
The size of the crystals in an igneous rock tells us how fast the magma cooled.
An igneous rock containing large crystals is most likely a?
An igneous rock containing large crystals is most likely a plutonic or intrusive rock. These rocks form from the slow cooling of magma beneath the Earth's surface, allowing time for larger crystals to grow. Examples include granite and diorite.
What is an example of an intrusive igneous rock with large crystals?
Porphyrite of any composition, granite, gabbro, diorite. Most intrusive igneous rocks have crystals large enough to see with the naked eye. Another term used to define an igneous rock with large crystals is coarse-grained.
What is a mineral with crystals inside?
The rock with crystals inside in can be igneous rock, but no, idk about the minerals.
What is an igneous rock with crystals?
Granite with larger crystals, basalt with smaller crystals.
What size of rock texture refers to igneous rock?
The size of the mineral crystals in an igneous rock determines the rock's texture.
What is the size of crystals in an igneous rock called?
The size of crystals in an igneous rock is called texture. Texture can range from fine-grained (small crystals) to coarse-grained (large crystals).
What igneous rock does not have large crystals?
sedimantry
Is it possible to have an igneous rock with no crystals?
yes
