Anthracite lan Litchfieldite Definition

Anthracite

Litchfieldite

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1 Definition

1.1 definisi

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

litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite

1.2 Sajarah

1.2.1 asal

pennsylvania, kita

usa

1.2.2 panemu

Dingertèni

Bayley

1.3 Etimologi

saka anthrakites greek, saka anthrax, anthrak meaning coal

saka occurrence ing Litchfield, maine, usa

1.4 kelas

rocks metamorphic

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

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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