Troctolite lan Pegmatite Definition

Troctolite

Pegmatite

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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

pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic

1.2 Sajarah

1.2.1 asal

dingerteni

1.2.2 panemu

christian Leopold von Buch

rj Hauy

1.3 Etimologi

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

saka pegma greek, pegmat kang bab liya- katunggilaké + -ite

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

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