Pegmatite lan Batubara Definition

Pegmatite

Batubara

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1 Definition

1.1 definisi

pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic

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

1.2 Sajarah

1.2.1 asal

dingerteni

usa

1.2.2 panemu

rj Hauy

john peter Salley

1.3 Etimologi

saka pegma greek, pegmat kang bab liya- katunggilaké + -ite

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

1.4 kelas

batuan beku

rocks sedimentary

1.4.1 sub-kelas

awet rock, hard rock

awet rock, rock alus

1.5 kulawarga

1.5.1 group

plutonic

ora ditrapake

1.6 kategori liyane

rock grained coarse, rock opaque

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

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