definisi
mudstone punika, peteng rock sedimentary werna abu-abu nggoleki-grained, kang kawangun saka silt lan lempung lan iku padha krikel nanging wis kurang laminations
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
Sajarah
asal
-
finland, europe
panemu
William Smith
Jakob sederholm
Etimologi
saka lendhut english lan watu, saka mudde low german lan stainaz
saka rapakivi finnish kang stands for rock crumbly
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
-
plutonic
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque