One of the ‘Eggs of Teide’, huge, strange rocks strewn across the side of Tenerife’s Mount Teide. These are technically known as accretion balls, formed as slowly-cooling lava rolls down the side of a volcano, picking up more lava as it goes.
One of the ‘Eggs of Teide’, huge, strange rocks strewn across the side of Tenerife’s Mount Teide. These are technically known as accretion balls, formed as slowly-cooling lava rolls down the side of a volcano, picking up more lava as it goes.