ALL meanings of lamprophyre
lam·pro·phyre
L l - noun lamprophyre any dark intrusive rock in which dark minerals occur both as phenocrysts and as groundmass. 1
- noun lamprophyre A porphyritic igneous rock consisting of a fine-grained feldspathic groundmass with phenocrysts chiefly of biotite. 1
- noun lamprophyre any of a group of basic igneous rocks consisting of feldspathoids and ferromagnesian minerals, esp biotite: occurring as dykes and minor intrusions 0