definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
skarns kawangun sak metamorphism regional utawa kontak lan saka macem-macem pangolahan metasomatic nglibatno cairan saka magmatic, metamorphic, lan / utawa asal segara
Sajarah
asal
pennines, england
usa, australia
panemu
JJ Ferber
tornebohm
Etimologi
saka grit + watu
saka tembung mining swedish lawas Originally dipigunakaké kanggo njlèntrèhaké jinis gangue silicate utawa sampah rock.
kelas
rocks sedimentary
rocks metamorphic
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque