
Þrengslaborgir
„Gígaröð norður frá Bláfjalli við Mývatn. Eru gígarnir af þeirri gerð sem kallast klepragígar og sumir nú grasivaxnir. Þótt gígaröðin sé ekki ýkjalöng er hún ta…
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About Þrengslaborgir
„Gígaröð norður frá Bláfjalli við Mývatn. Eru gígarnir af þeirri gerð sem kallast klepragígar og sumir nú grasivaxnir. Þótt gígaröðin sé ekki ýkjalöng er hún talin ein hin stórfenglegasta á öllu landinu“ (1). „Hraunið þaðan, Laxárhraun yngra, hefur runnið yfir miðhluta Mývatnssveitar, Syðriflóa, niður Laxárdal og langt norður eftir Aðaldal. Hraunið er talið um 2000 ára gamalt, jafn gamalt Mývatni í núverandi mynd“ (2).
An impressive volcano — evidence of Iceland's powerful geological activity.
Þrengslaborgir is a volcano in north-iceland, part of the volcanic system that makes Iceland one of the most geologically active regions on Earth.
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