Pegmatite lan Trondhjemite Definition
definisi
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
trondhjemite punika leucocratic (cahya colored) intrusive igneous rock. iku macem-macem tonalite kang plagioclase iku biasane ing wangun oligoclase. trondhjemites sing sok-sok ditepungi minangka plagiogranites.
panemu
rj Hauy
Ora dingerteni
Etimologi
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
Saka Trondheim, Norwegia
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque