What igneous rocks exhibit aphanitic texture?


Extrusive igneous rocks are the ones that exhibit an aphanitic texture. For instance basalt and rhyolite. Such rocks are formed when materials solidifies at surface then cools rapidly.
Q&A Related to "What igneous rocks exhibit aphanitic texture?"
Normally, extrusive igneous rocks exhibit an aphanitic texture. Examples would be basalt and rhyolite.
D - large, early formed crystals surrounded by smaller, late formed crystals. slow cooling: large crystals (deep underground) PORPHYRITIC TEXTURE - an igneous rock in which PHENOCRYSTS
Migmatite- form from anatexis of deep mantle crust due to the increase in temperature. Following from the high grade metamorphism and the production of gneissose rocks, when the low
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