An difríocht idir athruithe ar: "Basalt"

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cat "bruthcharraigeacha"
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Líne 1:
[[Íomhá:BasaltUSGOV.jpg|thumb|Basalt]]
[[File:Reynisfjara-66-Basalt-2018-gje.jpg|thumb|upright=1.0|Reynisfjara, Iceland]]
Tugtar '''basalt''' ar charraig easbhrúite [[bolcán|bholcánach]], is é sin, carraig a cruthaíodh nuair a d'fhuaraigh laibhe go cloch i ndiaidh di brúchtadh amach as an talamh.