definisi
litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite
greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
Etimologi
saka occurrence ing Litchfield, maine, usa
saka grauwacke german, saka grau grey + wacke
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
group
plutonic
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque