1 Definition
1.1 definisi
essexite kang uga dikenal minangka nepheline monzogabbro, iku werna abu-abu utawa ireng holocrystalline plutonic rock iigneous peteng
diorite iku werna abu-abu kanggo penengah rock intrusive igneous peteng-werna abu-abu dumadi prinsipe saka plagioclase Feldspar, biotite, hornblende, lan pyroxene
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka dhaerah ing Essex County, massachusetts, kita
saka awal abad kaping 19 diciptakaké ing french, kawangun teratur saka diorizein greek mbedakake
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, medium rock grained, rock opaque