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Vesicular igneous rocks cool quickly from magma, resulting in pockets of trapped gas or gas bubble imprints that make it appear porous. Pumice and scoria are examples of igneous rock with vesicles.
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∙ 13y ago
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∙ 9y agoPumice
would fit that description well.
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∙ 12y agoMany basalts, pumice, and scoria contain vesicles.
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∙ 11y agoits the earthes crust because back in the days the earth was pure lava there for it causes vesicular texture
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∙ 11y agoAt the surface of a lava flow
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∙ 10y agoPumice
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∙ 11y agoPumice
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∙ 6y agopumice
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Is porphyritic texture is not a feature of sedimentary rocks?
Porphyritic texture is a feature of some igneous rocks, not sedimentary rocks.
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.
Lava rock with air pockets?
Scoria and pumice are vesicular igneous rocks.
What are four felsic igneous rocks?
vesicular rhyolite, rhyolite, granite, and pegmatite!
What are vesicles in an igneous rock?
Vesicles are rounded spaces that appear in igneous rocks from the solidification of the magma around gas bubbles. Pumice, scoria, and vesicular basalt are igneous rocks that contain vesicles.
Is porphyritic texture is not a feature of sedimentary rocks?
Porphyritic texture is a feature of some igneous rocks, not sedimentary rocks.
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.
What is texture in rocks?
* 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.
How do you classify igneous rocks from other types of rock?
Igneous rocks are identified by first looking at the color index. Felsic igneous rocks contain mostly potassium feldspar. Intermediate igneous rocks contain mostly plagioclase feldspar. Mafic igneous rocks contain pyroxene, olivine, and plagioclase feldspar. Ultra mafic igneous rocks contain mostly olivine. Then igneous rocks are identified based on texture. For example, the texture of igneous rocks can be aphanitic, pegmatitic, phaneritic, glassy, vesicular, etc.
What is the texture of igneous rock?
Phaneritic is the texture of igneous rocks. These types of rocks crystallized slowly.
Which features are extrusive igneous rocks least likely to have?
A)fossils B)small grains C)vesicular texture D) porphyrtic texture Its one of these answers i chose D. because its more likely to have it. Idk if its the right answer.
Lava rock with air pockets?
Scoria and pumice are vesicular igneous rocks.
What are four felsic igneous rocks?
vesicular rhyolite, rhyolite, granite, and pegmatite!
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.
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.
When igneous rocks solidify what kind of texture do they have?
Crystalline texture.
What are rocks that have a glassy texture called?
Obsidian
