Keywords

(a) That part of the subsurface water that is in the saturated zone, including underground streams. (b) Loosely, all subsurface water as distinct from surface water.  Also spelled groundwater. Syn: subterranean water; underground water.

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.