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Andesit
Andesit

Anthracite
Anthracite



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Anthracite

Andesit lan Anthracite Definition

Definition

definisi

andesit punika rock vulkanik penengah peteng, nggoleki-grained, coklat utawa greyish kang umumé ditemokaké ing lahar
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur

Sajarah

asal

lor amerika
pennsylvania, kita

panemu

Theodor von Gümbel
Ora dingerteni

Etimologi

saka andes gunung, ngendi kang ketemu ing turah mbrawah
saka anthrakites greek, saka anthrax, anthrak meaning coal

kelas

batuan beku
rocks metamorphic

sub-kelas

awet rock, hard rock
awet rock, rock alus

kulawarga

group

vulkanik
-

kategori liyane

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