Keywords

[fluvial] (a) Of or pertaining to a river or rivers.  (b) Existing, growing or living in or about a stream or river.  (c) Produced by the action of a stream or river.

Geological keywords, such as “granite”, “lake”.  The definitions are generally taken from the AGI Glossary of Geology.  Keywords with a geographic context (e.g. Cape Smith Fold Belt, Selwyn Basin, Grenville Province) are assigned to a separate category.