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Laterite
Laterite

Obsidian
Obsidian



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Obsidian

Laterite lan Obsidian Definition

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Definition

definisi

laterit rock jinis rock sedimentary kang sugih ing wesi lan aluminium, kawangun ing wilayah tropis panas lan udan
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

Sajarah

asal

india
Ethiopia

panemu

francis Buchanan-Hamilton
obsius

Etimologi

saka latin mengko bata, kothak + -ite1
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

kelas

rocks sedimentary
batuan beku

sub-kelas

awet rock, rock alus
awet rock, medium atose rock

kulawarga

group

-
vulkanik

kategori liyane

rock grained nggoleki, rock opaque
rock opaque