Taconite lan Obsidian Definition

Taconite

Obsidian

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1 Definition

1.1 definisi

taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika

obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal

1.2 Sajarah

1.2.1 asal

western australia, Minnesota

Ethiopia

1.2.2 panemu

Newton Horace Winchell

obsius

1.3 Etimologi

saka jeneng gunung taconic ing england anyar

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

1.4 kelas

rocks sedimentary

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

ora ditrapake

vulkanik

1.6 kategori liyane

rock grained coarse, rock opaque

rock opaque

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