definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
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.
Sajarah
asal
pennines, england
tonale, italy
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
Saka Trondheim, Norwegia
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque