definisi
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
panemu
gossen Pampanga
Dingertèni
Etimologi
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
group
ora ditrapake
plutonic
kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque