Troctolite lan Porphyry Definition

Troctolite

Porphyry

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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

porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained

1.2 Sajarah

1.2.1 asal

dingerteni

egypt

1.2.2 panemu

christian Leopold von Buch

Dingertèni

1.3 Etimologi

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

saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

plutonic

1.6 kategori liyane

rock grained coarse, rock opaque

rock grained nggoleki, rock opaque

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