Eocene Sandstone
Eocene sandstone with dark spherical concretions cemented by calcium and iron, which precipitated around an organic nucleus; the average diameter of the concretions is about 0.5 m; Shore Acres State Park, Oregon, USA
Picture No
13626311
Media ID
43069221
Size
3835px x 2550px
(5.8MB)
Credit
Robert and Jean Pollock /Science Source/ www.ardea.com
Category
NA
Availability
Available in UK only. No agents
Ardea Picture Library
Picture No
13626311
Contributor Ref
SCS-90075545
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Acres Concretion Eocene Geological Oregon Sandstone Sedimentary
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