Replication data for \"Middle Pennsylvanian megabreccia along the Odellfjellet Fault in Billefjorden, central Spitsbergen\"

Photographs of the whole outcrop transect analysed for this study, and structural measurements of bedding and fracture surfaces both within strata of the Minkinfjellet Formation and a megabreccia deposit located just east of Pyramiden in central Spitsbergen.