BSRG Photo Archive
Fossilised barchan dune which was preserved in by a basalt lava flow. Barchan dunes are typically sand bypassing bedforms and are rarely preserved in the rock record. Cretaceous of Namibia.
photo by John Howell
Fossilised barchan dune which was preserved in by a basalt lava flow. Barchan dunes are typically sand bypassing bedforms and are rarely preserved in the rock record. Cretaceous of Namibia.
photo by John Howell