Gran Canaria

Gran Canaria is the most populous island of the Canary Islands

Gran Canaria is the most populous island of the Canary Islands, a Spanish archipelago.

About 80% of the volume of the island was formed during the Miocene period, between 14 and 9 million years ago. This is called the “Old Cycle” and is estimated to have lasted some 200,000 years and have emitted about 1000 km3, mostly of fissural alkali basalt. This cycle continued with the emission of trachytes, phonolites and peralkaline rocks. This period was followed by one of erosion, which lasted some 4 million years.

Wikipedia

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