Martin Gibling on Rivers in the Geological Record - part 2

Glossary

Casiquiare Channel – natural linkage of the Orinoco and Rio Negro rivers in Venezuela

catastrophism – theory that Earth’s natural history has been shaped by sudden short-lived violent events

droving road- road for moving livestock on foot

foreland basin - basin formed adjacent and parallel to a mountain belt by flexure of the lithosphere in response to the weight of the mountains and sediment they generate

Hominins – branch containing all modern and extinct human species (in contrast to hominids, which also include the Great Apes)

mill pond – pond produced by damming a stream to provide power for a mill

Olduvai gorge - site in Tanzania that has yielded evidence of the earliest human species

Sano Zama – Amazon River when it flowed backwards (backward spelling of Amazonas)

Western Interior Seaway – Cretaceous Sea splitting North America into Laramidia in the west and Appalachia in the east