Piton des Basaltes, Volcanic summit in Piton de la Fournaise massif, Reunion Island, France.
Piton des Basaltes is a volcanic summit within the Piton de la Fournaise massif on Reunion Island. It sits at the intersection of two major ridges and displays dark basaltic columns alongside other rock formations shaped by past eruptions.
The summit formed roughly 61,000 years ago during the initial filling phase of the Plaine des Sables caldera. The lava cooled and solidified into the basalt formations visible today.
The summit forms part of Reunion National Park, where scientific research contributes to understanding volcanic processes and natural heritage.
Marked trails wind through the volcanic landscape and offer good views of the rock formations. Wear sturdy footwear since the terrain is rocky and uneven underfoot.
The rocks contain picrite, an oceanic basalt type with unusually high concentrations of olivine mineral. This mineral composition makes the formations there notable to geologists.
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