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How is the vesicular texture of an igneous rock formed?
A vesicular texture is one where there are small voids within the igneous rock. These tend to form in extrusive igneous rocks due to the loss of confining pressure which causes gasses dissolved in the molten material to come out of solution or exsolve. These gasses form bubbles within the cooling lava and can become trapped if the lava cools rapidly, leaving a permanent gas bubble or void space within the solidified igneous rock.
What do you called an igneous rock that floats on water due to the presence of many gas bubble holes.?
Pumice is such a rock.
What helps to form an igneous rock?
A volcano - heat, lots of heat.
Is diorate a metamorphic rock?
No, diorite is a simply an igneous rock with lots of mafic minerals and quartz.
What is the term describing igneous rock openings produced by escaping gases?
The term is vesicles. These are small cavities or voids in igneous rocks formed by gas bubbles escaping as the magma cools and solidifies.
What is an igneous rock that floats on water due to the presence of many gas bubble holes.?
The rock comes from a volcano and is known as pumice.
How metamorphic rock change into igneous rock?
it has to be melted and then has to re-solidify. Heat (lots of it) to melt the rock is what is needed.
What causes air holes in igneous rocks?
Air holes in igneous rocks are typically caused by gas bubbles trapped within the magma during the rock's formation. As the magma cools and solidifies, these gas bubbles can become trapped within the rock, creating voids or cavities. These voids are known as vesicles and can be filled in with other minerals or remain empty, forming empty holes in the rock.
What type of rock is formed after magma or lava cools and hardens?
the name of the type of Rock it forms is igneous rock. it is made in lots of ways and can be made into other rocks like granite and sandstone.
What describes rock that was formed when molten rock cooled down?
Igneous rock is formed.
Type of rock formed from molten rock?
Igneous rock is formed when magma cools and becomes solid.
Is obsidian metamorphic igneous or sedimentary?
Obsidian is an igneous rock.
