melaphyre

/mel-uh-fahyuhr/US // ˈmɛl əˌfaɪər //UK // (ˈmɛləˌfaɪə) //

瓜类,瓜子,瓜果类,瓜子壳

Definitions

n.名词 noun

1
Petrology.
- : a type of dark igneous rock embedded with feldspar crystals, related to basalt.

In China, at the close of the period, there were enormous eruptions of melaphyre, porphyrite and quartz-porphyry.
Melaphyre is a name given to the very dark varieties of altered augitic lavas, rich in magnetite and chlorite.
The rocks consist chiefly of basalt, dolerite, melaphyre and felstone.