Troctolite lan Chert Definition

Troctolite

Chert

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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

chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf

1.2 Sajarah

1.2.1 asal

dingerteni

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 quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi

1.4 kelas

batuan beku

rocks sedimentary

1.4.1 sub-kelas

awet rock, hard rock

1.5 kulawarga

1.5.1 group

plutonic

ora ditrapake

1.6 kategori liyane

rock grained coarse, rock opaque

rock grained nggoleki, rock opaque

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