n. 闪长岩

[化] 闪长岩

[ noun ]
a granular crystalline intrusive rock
<noun.substance>

Diorite \Di"o*rite\, n. [Cf. F. diorite. See {Diorism}.] (Min.)
An igneous, crystalline in structure, consisting essentially
of a triclinic feldspar and hornblende. It includes part of
what was called greenstone.