- a type of dark igneous rock embedded with feldspar crystals, related to basalt.
Examples from the Web for melaphyre
Historical Examples of melaphyre
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.
- geology obsolete a type of weathered amygdaloidal basalt or andesite