A large “koppe” – a pile of bounders eroded from the basement granite beneath. These huge bounders emphasize the spheroidal weathering of granite – the rounding of their corners faster than their sides leads to spherical shapes. Just outside Cataviña, Senita and Cardon in the foreground.

A large “koppe” – a pile of bounders eroded from the basement granite beneath. These huge bounders emphasize the spheroidal weathering of granite – the rounding of their corners faster than their sides leads to spherical shapes. Just outside Cataviña, Senita and Cardon in the foreground.

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