R867 No Image! Sample ID R867 • Cabinet D Complex Cross-Bedding 85cm W x 125cm H x 45cm D • 664g Sample TypeRockRock QualitySedimentaryRock Type CompositionGrain SizeGrain Shape Grain SortingAcid ReactionMohs Hardness 6 This specimen records an ichnofossil preserved within complex cross‑bedded sandstone, where intersecting sets of inclined laminae reflect shifting currents in an ancient river or near‑shore environment. The trace itself is embedded within these migrating bedforms, capturing the movement or dwelling activity of an organism as sediment was actively being reworked. Description of Mohs scale here