Batubara lan Troctolite Definition

Batubara

Troctolite

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1 Definition

1.1 definisi

coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal

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

usa

dingerteni

1.2.2 panemu

john peter Salley

christian Leopold von Buch

1.3 Etimologi

saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13

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

1.4 kelas

rocks sedimentary

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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