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.