1 Definition
1.1 definisi
essexite kang uga dikenal minangka nepheline monzogabbro, iku werna abu-abu utawa ireng holocrystalline plutonic rock iigneous peteng
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
john peter Salley
1.3 Etimologi
saka dhaerah ing Essex County, massachusetts, kita
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque