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What rock group does obsidan belong to?
Obsidian falls under the group of Extrusive Volcanic Rock of very fine texture. Obsidian is generally called Volcanic Glass.
What type of rock has little to no grain development and has a vesicular texture?
A rock with little to no grain development and a vesicular texture is typically called a vesicular rock. It is formed from a volcanic eruption, where gases trapped in the lava create bubbles or vesicles. The most common example is vesicular basalt.
What is the word that describes the shapes and sizes of the grains in a rock?
They are references to the rock's texture.
What texture does a volcanic rock have?
Textures of volcanic rocks include aphantitic (mineral grains are present but microscopic) , porphyritic (some grains are visible to the naked eye), glassy (all or much of the rock lacks a crystalline structure), and vesicular (solidified gas bubbles are present).
Volcanic rock a compound or nonmetallic?
Niether. Volcanic rock is a mixture.
Describe and explain the difference in the crystalline texture of volcanic rock and rock formed from an intrusion?
The texture of intrusive igneous rocks is phaneritic, which is characterized by coarse-grained large crystals that are visible to the naked eye. The texture of volcanic rocks, meanwhile, is porphyritic, which is characterized by fine-grained crystals.
What rock group does obsidan belong to?
Obsidian falls under the group of Extrusive Volcanic Rock of very fine texture. Obsidian is generally called Volcanic Glass.
Describe the texture of obsidian?
Obsidian is a hard, dark volcanic rock that is formed by the rapid solidification of lava. Its texture is glassy and shiny black.
What is a volcanic rock that contains pyroxene and has a fine grained texture?
Basalt or andesite could fit this description.
What texture is a pumice?
Pumice is a volcanic rock that is so full of gas bubbles that is it very light, and rough surfaced.
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.
What type of rock has little to no grain development and has a vesicular texture?
A rock with little to no grain development and a vesicular texture is typically called a vesicular rock. It is formed from a volcanic eruption, where gases trapped in the lava create bubbles or vesicles. The most common example is vesicular basalt.
What is the word that describes the shapes and sizes of the grains in a rock?
They are references to the rock's texture.
What are the properties of Rhyolitic?
1.It is extrusive volcanic rock 2.it white,grey or black in color 3.it has fine grained or aphanatic texture
Is pumice a volcanic rock?
Yes,it is a volcanic rock.
What texture does a volcanic rock have?
Textures of volcanic rocks include aphantitic (mineral grains are present but microscopic) , porphyritic (some grains are visible to the naked eye), glassy (all or much of the rock lacks a crystalline structure), and vesicular (solidified gas bubbles are present).
Can you make fire with volcanic rock?
No. Volcanic rock is not flammable.
