Tenerife – Mt Teide and Recent Volcanism

The last and current stage of volcanism on Tenerife is the post-caldera rejuvenation stage. This is primarily characterized by the stratovolcano of Mt Teide (12,198 ft) and its lower neighbor Pico-Viejo. These two stratovolcanoes are primarily trachytic and phonolitic in composition and are built upon a common basanitic and basaltic base. The most recent activity of Teide (circa 660 to 940 A.D.) consists of feldspar-phyric phonolite lava flows which form distinct levees hundreds of feet down the volcano.
P1000410 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Mt Teide and Pico Viejo
P1000418 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Leveed phonolite flows coming off Mt Teide
The most recent eruptions on Tenerife did not come from the summit crater, but were flank eruptions of Pico Viejo. In 1798, Chahorra Volcano or Narices del Teide (Teide’s Noses) erupted trachybasalt lava from Pico Viejo’s flanks and flowed into the former La Cañadas crater floor. Also in 1909, the cinder cone Chinyero erupted further down the flanks of Pico Viejo.
P1000419 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Chahorra cone and lava flow
P1000420 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Canary Island Pine trees are only found in the Canary Islands
P1000442 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Olivine Phenocrysts
P1000443 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Olivine and sodalite
P1000444 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Pyroxene in basalt
P1000654 300x225 Tenerife   Mt Teide and Recent Volcanism Tenerife  chris spencer
Yours truly with Mt Teide
It is has been a great trip to Tenerife. Hopefully I can find a reason to return.

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