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What igneous rock does not have any minerals in it?
Obsidian is an igneous rock that technically is not composed of minerals. It is a natural glass.
What is the obsidian rock type?
Obsidian is an extrusive felsic igneous rock.
Are igneous rocks made up of igneous rocks?
Sedimentary rock can be made up partially of igneous clasts, but igneous rock is igneous rock.
What does igneous rock made of?
Igneous rocks are formed when lava cools. After a eruption, the lava cools, and the igneous rock is formed.
What is the name of a rock made from molten rock?
Igneous rock.
Are metamorphic rock only made out of from igneous?
No, metamorphic can be formed by either igneous or sedimetary rock.
What kind of a rock is an intrusion made of?
igneous rock
What sort of rock is made from volcanoes?
igneous rock
What igneous rock that cooled very quickly and is considered a glass rock?
Obsidian is an igneous rock that forms from lava cooling extremely quickly, preventing the formation of crystals. It is often referred to as a natural glass due to its lack of crystal structure.
What igneous rock has a smooth glass like texture?
Obsidian is an igneous rock that has a smooth glass-like texture. It is formed when lava cools rapidly without crystal formation, resulting in a glassy texture.
Is volcanic glass an intrusive or extrusive igneous rock?
Volcanic glass is an extrusive igneous rock. It forms when molten lava cools quickly on the Earth's surface, preventing the formation of crystals.
How do Igneous rock with glassy textures?
An igneous rock with a glassy texture cooled from its' liquid state very quickly, an example of this would be obsidian, a volcanic glass.
