Lithic 'stretch marks' from the structural geology collection of Declan De Paor
Sandstone with curious spherical-to-ellipsoidal "rotten" zones that weather out into Swiss-cheese type holes.
To explore a gigapan of the roadcut where this sample was collected, click here:
Rock outcop in Barboursville, WV
Diffuse clouds and a setting sun left their effects on this one.
Santa Ynez River Valley
Southeast of Lompoc, CA
Along Hwy 1 south of Lompoc, California.
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