definisi
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
panemu
gossen Pampanga
van tooren
Etimologi
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
saka tephra greek, awu saka basa indo-european, kanggo ngobong
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque