Modern gravel beach, Luovtat, Finnmark, Norway

Permo-Carboniferous rippled sandstone, Karoo Basin, South Africa

Permo-Carboniferous ladder back rippled sandstone, Karoo Basin, South Africa

Permo-Carboniferous Sandstone channel and fluvial overbank deposits, Karoo Basin, South Africa

Modern tidal flats near Tofino, British Columbia, Canada

Sand beach Acadia National Park, Maine or Massachussetts, USA

Conglomerate, Neoproterozoic Toby Formation, Mount Brewer, British Columbia, Canada

Dolomitic diamictite overlain by carbonate, Toby Formation, Farnham Creek, British Columbia, Canada

Diamictite, Proterozoic Gowganda Formation, Huronian Supergroup, Elliott Lake Ontario Canada

Graded gravel bed, Late Cenozoic Yakataga Formation, Cape Yakataga Alaska, USA

Thickening and coarsening upward sandstone beds in mudstone, Yakataga Formation, Samovar Hills, Alaska USA

Climbing ripple cross-laminations in sandstone, Yakataga Formation, Samovar Hills, Alaska USA

Modern gravel beach, Kenai Fjords, Alaska USA

Modern tidal flats exposing diamictite of the Yakataga Formation, Middleton Island, Alaska USA

Ball and pillow deformation structures, Yakataga Formation, Middleton Island, Alaska USA

Coquina bed, Yakataga Formation, Middleton Island, Alaska, USA

Copper River valley delta, Gulf of Alaska, USA

Burrows in calcareous mudstone beds, Yakataga Formation, Cape Yakataga, Alaska USA

Trace fossil in the making, Cape Yakataga, Alaska USA

Cross-bedded sandstone, Cape Yakataga, Alaska, USA

Fossil crab within concretion, Poul Creek Formation, Alaska USA

Silurian dolostone quarry in Guelph, Ontario.

Diagenetic alteration of Silurian Grimsby Formation sandstone, Lake Erie core, ON

Bioturbated sandstone and mudstone from the Grimsby formation, L. Erie core, ON

Soft sediment deformation structures in fine-grained sediments, Grimsby Formation, L. Erie core, ON

Core from the Grimsby Formation, L. Erie, Ontario

Soft sediment deformation horizon within Quaternary sand, Ottawa region, ON

Inverse graded gravel bed in Quaternary sediments, Ottawa region, ON

Climbing ripples in Quaternary sand, Ottawa region, ON

Scouring in pebble conglomerate and sandstone, Cape Yakataga, Yakataga Formation, Alaska USA

Rippled sandstone, Cape Yakataga, Yakataga Formation, Alaska USA

Bedded conglomerate, Cape Yakataga, Yakataga Formation, Alaska USA

Large concretion, Poul Creek? Formation, Wingham Island, Alaska, USA

Aerial view of Cape Yakataga outcrop, Yakataga Formation, Alaska, USA

Salt crystals in the Proterozoic Mount Nelson Formation, Farnham Creek, British Columbia, Canada

Mud cracks in the Proterozoic Mount Nelson Formation, Farnham Creek, British Columbia