definisi
essexite kang uga dikenal minangka nepheline monzogabbro, iku werna abu-abu utawa ireng holocrystalline plutonic rock iigneous peteng
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
panemu
Ora dingerteni
van tooren
Etimologi
saka dhaerah ing Essex County, massachusetts, kita
saka tephra greek, awu saka basa indo-european, kanggo ngobong
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque