Troctolite lan Rhyolite Definition

Troctolite

Rhyolite

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1 Definition

1.1 definisi

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

rhyolite punika rock igneous nggoleki-grained kang sugih ing silika

1.2 Sajarah

1.2.1 asal

dingerteni

lor amerika

1.2.2 panemu

christian Leopold von Buch

Ferdinand von Richthofen

1.3 Etimologi

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

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

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

plutonic

vulkanik

1.6 kategori liyane

rock grained coarse, rock opaque

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