Question

classify igneous rocks on the basis of occurrence​

Answer 1

Answer:

it is occued when the volcano burst the lava change to igneous rocks

Answer 2

Answer:

Explanation:

Igneous rocks are classified according to mode of occurrence, texture, mineralogy, chemical composition, and the geometry of the igneous body. ... Igneous rocks that have crystals large enough to be seen by the naked eye are called phaneritic; those with crystals too small to be seen are called aphanitic.