Figure 3

Trace fossils in outcrop. (a) Large burrows (arrows) in bedded magadiite (facies c). Underlying facies a and b are also shown. (b–d) Close-up cross-section views of large, vertical to inclined burrows penetrating into the magadiite bed from an overlying colonization surface. (e) Bedding-plane view showing burrow opening. (f) Bedding-plane view of small horizontal burrows. Photographs taken by LAB.