The famous Rosans sandstone balls: spheres formed
The famous Rosans sandstone balls: spheres formed by crystallization of quartz in secondary age sandstone (- 110 ma) - their size can reach more than a meter in diameter - We find these rare structures in the Spanish Basque Country ( jaizkibel) and on the Pacific coast (Oregon and California) - Saint Andre de Rosans region, Serre dAutruy, Baronnies, Hautes Alpes, France
Picture No
13695998
Media ID
43194801
Size
5504px x 8256px
(23.0MB)
Credit
© www.ardea.com/Jean-Philippe Delobelle/Biosphoto/ www.ardea.com
Category
NA
Availability
Available in the UK and Scandinavia only. No agents
Biosphoto/ www.ardea.com
Picture No
13695998
Contributor Ref
BIO-90247050
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301020 Alpes Balls Concretion Concretions Cote Crust Dazur Earths Famous Form Formed Forms Geologic Geological Hautes Mesozoic Prealps Provence Quartz Sands Sandstone Science Secondary Silica Spheres Stoneware Summit
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