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
essexite kang uga dikenal minangka nepheline monzogabbro, iku werna abu-abu utawa ireng holocrystalline plutonic rock iigneous peteng
Etimologi
saka occurrence ing Litchfield, maine, usa
saka dhaerah ing Essex County, massachusetts, kita
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque