1 Definition
1.1 definisi
picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka pikros greek pait + -ite, abad ka-19
saka tephra greek, awu saka basa indo-european, kanggo ngobong
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, rock grained nggoleki, medium rock grained, rock opaque