Igneous rocks are formed from magmas, which are generated by partial melting at a shallow depth within the lithosphere, that may ascend at pull-apart basins.
(Igneous rocks; are formed; from magmas) (magmas, which are generated by partial melting at a shallow depth within the lithosphere; may ascend; at pull-apart basins)
Igneous rocks magmas, which are generated by partial melting at a shallow depth within the lithosphere
are formed may ascend
from magmas
at pull-apart basins