definisi
rhomb-porphyry punika igneous rock porphyritic karo wedge KALUBÈRAN utawa lensa shaped anorthoclase utawa phenocrysts Feldspar
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
Sajarah
asal
-
pennines, england
panemu
Ora dingerteni
JJ Ferber
Etimologi
saka tembung latin sing tegese kain
saka grit + watu
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
-
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque