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What is the difference between a vesicular igneous rock and a nonvesicular igneous rock?
Vesicular rocks contain lots of small cavities, usually filled with air. Non- vesicular ones don't have these holes. Vesicles are formed when magma suddenly rushes out on to the surface and its dissolved gases come out of solution, blowing bubbles in the liquid rock which are preserved as it cools quickly and sets. An example of a vesicular rock is pumice.
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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.
Igneous feature would you find rocks with a vesicular texture?
You would typically find rocks with vesicular texture in igneous features such as volcanic necks, lava flows, and volcanic ash deposits. Vesicles are voids or cavities left behind by gas bubbles trapped in the cooling magma.
Which of Slate Granite Shale or Pumice is classified as a sedimentary rock?
Slate, granite, and shale are classified as metamorphic or igneous rocks, while pumice is classified as an igneous rock. Sedimentary rocks are formed through the deposition and solidification of sediment.
Lava rock with air pockets?
Lava rock with air pockets are known as vesicular lava rock. These air pockets are formed during the solidification process of lava, which traps gas bubbles within the rock. This gives the rock a porous and lightweight texture.
What is the major difference between igneous and metamorphic rocks?
igneous rocks started as melted lava and cooled to be rocks. Metamorphic rock started as a sedimentary rock, and was heated up and put under pressure to create the metamorphic rock. Classic example - igneous = obsidian. Metamorphic = marble (marble is limestone that's been heated and squeezed a lot).
What are examples of igneous rock?
nothing
An igneous rock with lots of gas bubble voids has a?
It has a vesicular texture.
What is the difference between basaltic and frantic igneous rock?
There sedimentary igneous and metemorphic
Which are igneous rocks?
== == Igneous rocks have formed from molten material either above (extrusive) or below (intrusive) ground level. Extrusive igneous rocks include obsidian, basalt, and rhyolite; intrusive igneous rocks include gabbro and granite.
What is vesicular texture in rock?
* Vesicular rock texture is generally displayed in extrusive igneous rocks which contain many vesicles of trapped air, such as pumice or scoria. * Igneous rocks containing holes which were produced as gases escaped from the upper part of lava flow.
In what type of igneous rock most of the time ore minerals are found?
Vesicular basalt or pegmatite veins.
What is the rock that is full of tiny connected air spaces?
You are probably thinking of pumice, and igneous rock.
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.
Are sedimetary rocks vesicular?
No, sedimentary rocks are generally not vesicular. Vesicular rocks are typically igneous rocks that contain gas bubbles trapped during cooling, creating a porous appearance. Sedimentary rocks form from the accumulation and compression of sediments, which do not typically contain vesicles.
How is pumice classified?
Pumice is classified as a felsic, glassy, highly vesicular, extrusive igneous rock.
What is the Latin word for igneous?
Igneous is derived from the Latin word for fire: ignis.Related words are ignite and ignimbrite (a red-hot, airborne ash that solidies into a vesicular rock).
Is pumice a fossil?
Pumice is not a fossil because it is not an evidence of a previously living organism. Pumice is a vesicular extrusive igneous rock.
