Jack Dykinga / Eroded sandstone petrified sand dune formations at sunrise, Vermilion Cliffs National Monument, Arizona. USA.
01572887
Jack Dykinga / Rainbow over petrified sand dunes at sunset, Vermilion Cliffs National Monument, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA.
01572886
Jack Dykinga / Petrified sand dunes at sunrise with rain-filled 'pot holes' and banded sandstone in foreground. Vermilion Cliffs National Monument,Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA.
01572882
Jack Dykinga / Petrified sand dune sandstone formations with eroded stratified patterns, looking into the Vermilion Cliffs National Monument, Arizona, USA. November.
01526234
Juan Carlos Munoz / Pieces of petrified trees / wood, Petrified Forest National Park, Arizona, USA, February 2015.
01516894
Cyril Ruoso / Man with Chamec spider monkeys (Ateles chamek) holding onto him as he walks through sanctuary. Ikamaperou Sanctuary, Amazon, Peru. October 2006.
01445797
Jouan Rius / Petrified wood segment, Blue Mesa Badlands, Petrified Forest National Park, Arizona, USA, December 2012.
01255440
Jack Dykinga / Concretion balls lining fracture lines in petrified sand dune formation, with lichen scaring calcification marks, Colorado Plateau, Arizona, USA
01255443
Jack Dykinga / Striated sandstone patterns in petrified sand dunes caused by erosion, Vermilion Cliffs National Monument, Colorado Plateau, Arizona, USA
01255435
Jack Dykinga / Bands of red and yellow strata in petrified sand dunes, sunset, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA
01255442
Jack Dykinga / Petrified sandstone formation with bold striated patterns and lichen covered stones, Paria Canyon-Vermilion Cllffs Wilderness, Arizona, USA
01255445
Jack Dykinga / Eroded striated sandstone (petrified sand dunes) Vermilion Cliffs National Monumant, Colorado Plateau, Arizona, USA
