Engelsk navneord: groundmass | |||
| 1. | groundmass (om masse el. substans) (geology) the matrix of fine-grained crystalline material in which larger crystals are embedded | ||
| Mindre specifikke termer | igneous rock | ||
| Vedrærer disse overordnede termer | porphyritic rock, porphyry | ||
| Overordnet emneområde | geology | ||