Gritstone lan Kenyte Definition
definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
kenyte iku macem-macem phonolite porphyritic utawa trachyte rock karo phenocrysts rhomb shaped anorthoclase karo rupo olivine lan augite ing matrik glassy
asal
pennines, england
gunung kenya
panemu
JJ Ferber
JW Gregory
Etimologi
saka grit + watu
saka gunung ranges- Gunung kenya lan dijenengi dening JW Gregory in 1900
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
group
ora ditrapake
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque