Respuesta :

maybe centuries classified according to their chemical and mineral composition as felsic, intermediate, mafic, and ultramafic, and by texture or grain size

Explanation:

Igneous rocks -

These type of rocks are formed via the crystallization of the liquid , which is the molten rocks .

The categories of distribution of the igneous rock is -

1. Intrusive or the plutonic rocks .

2.  Extrusive or volcanic rocks .

And the classification of Igneous rock is as follows -

1. felsic

2. mafic