Sedimentary rocks at outcrop and hand sample scales.
Gently-inclined lake strata of the Stromness Flags, deposited in Devonian Lake Orcadie (~400 Ma).
Eocene aged, from near Fossil Butte National Monumnet, Kemmerer, Wyoming.
Bedding plane-perpendicular view.
Sample contributed by Declan De Paor.
Lithic 'stretch marks' from the structural geology collection of Carol Simpson and Declan De Paor.
Sandstone with curious spherical-to-ellipsoidal "rotten" zones that weather out into Swiss-cheese type holes.
Medium-sized sample of Neoproterozoic tillite from Islay's eastern shore.
Flip the sample over here:
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