Batubara lan Scoria Definition

Batubara

Scoria

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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

scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN

1.2 Sajarah

1.2.1 asal

usa

dingerteni

1.2.2 panemu

john peter Salley

Dingertèni

1.3 Etimologi

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

saka pungkasan tengah english (denoting slag saka logam molten), saka skōria greek nolak, saka dung Skor

1.4 kelas

rocks sedimentary

batuan beku

1.4.1 sub-kelas

awet rock, rock alus

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

ora ditrapake

vulkanik

1.6 kategori liyane

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

rock grained nggoleki, rock opaque

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