Chert lan Anthracite Definition

Chert

Anthracite

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1 Definition

1.1 definisi

chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf

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

1.2 Sajarah

1.2.1 asal

dingerteni

pennsylvania, kita

1.2.2 panemu

Dingertèni

1.3 Etimologi

saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi

saka anthrakites greek, saka anthrax, anthrak meaning coal

1.4 kelas

rocks sedimentary

rocks metamorphic

1.4.1 sub-kelas

awet rock, hard rock

awet rock, rock alus

1.5 kulawarga

1.5.1 group

ora ditrapake

1.6 kategori liyane

rock grained nggoleki, rock opaque

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

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