Image: Shellrock bed, top of the Jetmore Chalk 20171229 cropped
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Description: Shellrock bed, top bed of the Jetmore Chalk, at the top of the photograph. Note the many thin parting beds in the whiter Shellrock bed. The figure is pointing to the discoid limestone concretions in the shale, which are markers for the thick Shellrock bed above.
Title: Shellrock bed, top of the Jetmore Chalk 20171229 cropped
Credit: Own work
Author: IveGoneAway
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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