1 Definition
1.1 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
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
gossen Pampanga
Ferdinand von Richthofen
1.3 Etimologi
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque