FIG. 16 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin

FIG. 16. Intraclastic pebble lag resting on surface SS0 at Thistle Creek west (fig. 5). A. General view of siderite pebbles seen from above; scale bar in each image = 20 cm. B. Detail of panel A showing pitted, bioeroded surface of a siderite pebble. C. Side view of conglomerate showing clasts filling a shallow erosional trough (arrows).