definisi
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
Sajarah
asal
indonesia
lor amerika
panemu
gossen Pampanga
Ferdinand von Richthofen
Etimologi
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque