Batubara lan Skarn Definition

Batubara

Skarn

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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

skarns kawangun sak metamorphism regional utawa kontak lan saka macem-macem pangolahan metasomatic nglibatno cairan saka magmatic, metamorphic, lan / utawa asal segara

1.2 Sajarah

1.2.1 asal

usa

usa, australia

1.2.2 panemu

john peter Salley

tornebohm

1.3 Etimologi

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

saka tembung mining swedish lawas Originally dipigunakaké kanggo njlèntrèhaké jinis gangue silicate utawa sampah rock.

1.4 kelas

rocks sedimentary

rocks metamorphic

1.4.1 sub-kelas

awet rock, rock alus

awet rock, hard rock

1.5 kulawarga

1.5.1 group

ora ditrapake

1.6 kategori liyane

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

rock grained nggoleki, rock opaque

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