Anthracite lan Troctolite Definition

Anthracite

Troctolite

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1 Definition

1.1 definisi

Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur

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

pennsylvania, kita

dingerteni

1.2.2 panemu

Dingertèni

christian Leopold von Buch

1.3 Etimologi

saka anthrakites greek, saka anthrax, anthrak meaning coal

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

1.4 kelas

rocks metamorphic

batuan beku

1.4.1 sub-kelas

awet rock, rock alus

awet rock, hard rock

1.5 kulawarga

1.5.1 group

ora ditrapake

plutonic

1.6 kategori liyane

rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque

rock grained coarse, rock opaque

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