Field photographs from the Equireuil Quarry section. A: East-West panorama of the Equireuil Quarry and location of the second amber grain spot occurrence (white arrow on the right); B: lower soft sandstone sediments (unit 1) containing lignite debris and amber grains (white arrow); C: composite bed with coral and bryozoans at the base and rudist bioconstruction at the top (unit 3); D: lamellar corals at the base of the lenticular body figured in (C); E: focus on finely branched and lamellar corals of the lenticular body; F: sandy marls with corals and lignite debris under rudist aggregate beds (unit 3); G: sandy bodies and interfingered variegated marls (unit 5); H: close-up view of the second amber grain spot occurrence (white arrow) found in sandy marls containing a shallow-marine fauna (unit 6) and eroding limestone bed (black arrow) made of coral and rudist debris (unit 7).