e/Intermediate composition

Information
has gloss	eng: In igneous petrology an intermediate composition refers to the chemical composition of a rock that has 52-63 wt% SiO2 being an intermediate between felsic and mafic compositions. Typical intermediate rocks include andesite, dacite and trachyandesite among volcanic rocks and diorite and granodiorite among plutonic rocks.
lexicalization	eng: Intermediate composition
instance of	(noun) rock formed by the solidification of molten magma igneous rock