What is the process for extrusive rock?

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  • What is the process for extrusive rock?


Igneous Rocks; Extrusive Igneous Rocks; ... Most extrusive (volcanic) rocks have small crystals. Examples include basalt, rhyolite, andesite, and obsidian.
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Positive: 26 %
Extrusive igneous rocks, or volcanics, form when magma makes its way to Earth's surface. The molten rock erupts or flows above the surface as lava, and ...
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Positive: 23 %

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Geology Laboratory: Igneous Rocks and Processes ... welded together to form a pyroclastic rock. Extrusive rocks with pyroclastic textures usually
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Positive: 26 %
Historical Geology/Igneous rocks. ... Extrusive rocks are those formed from molten rock on the ... This is because crystallization is a kinetic process: ...
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Positive: 21 %
The types of rock: igneous ... called extrusive igneous rocks, ... that result in two metamorphic processes: mechanical dislocation (the rock or some ...
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Positive: 7 %
Intrusive and Extrusive Igneous Rock Structures ... – Directly observable petrologic process ... (rocks) from the interior ...
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Positive: 10 %

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