Rhyolite lan Troctolite Definition

Rhyolite

Troctolite

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1 Definition

1.1 definisi

rhyolite punika rock igneous nggoleki-grained kang sugih ing silika

troctolite jinis rock intrusive mafic. iku kasusun ateges Jumlah utama nanging maneko rupo olivine lan calcic plagioclase bebarengan karo pyroxene suntingan. iku anorthosite-sugih olivine, utawa sing relatif pyroxene-kurang saka gabbro

1.2 Sajarah

1.2.1 asal

lor amerika

dingerteni

1.2.2 panemu

Ferdinand von Richthofen

christian Leopold von Buch

1.3 Etimologi

saka rhyolit german, saka stream lahar greek rhuax + watu lithos

saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

vulkanik

plutonic

1.6 kategori liyane

rock grained coarse, rock opaque

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