geological formation

Thesaurus

Noun

1.

geological formation - (geology) the geological features of the earth formation object, physical object - a tangible and visible entity; an entity that can cast a shadow; "it was full of rackets, balls and other objects" geology - a science that deals with the history of the earth as recorded in rocks aquifer - underground bed or layer yielding ground water for wells and springs etc beach - an area of sand sloping down to the water of a sea or lake cave - a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea cliff, drop-off, drop - a steep high face of rock; "he stood on a high cliff overlooking the town"; "a steep drop" delta - a low triangular area of alluvial deposits where a river divides before entering a larger body of water; "the Mississippi River delta"; "the Nile delta" diapir - a domed rock formation where a core of rock has moved upward and pierced through the more brittle overlying strata folium - a thin layer or stratum of (especially metamorphic) rock foreshore - the part of the seashore between the highwater mark and the low-water mark ice mass - a large mass of ice lakefront - land bordering a lake massif - a block of the earth's crust bounded by faults and shifted to form peaks of a mountain range monocline - a geological formation in which all strata are inclined in the same direction mouth - the point where a stream issues into a larger body of water; "New York is at the mouth of the Hudson" natural depression, depression - a sunken or depressed geological formation natural elevation, elevation - a raised or elevated geological formation oceanfront - land bordering an ocean chain of mountains, mountain chain, mountain range, range of mountains, range, chain - a series of hills or mountains; "the valley was between two ranges of hills"; "the plains lay just beyond the mountain range" relict - geological feature that is a remnant of a pre-existing formation after other parts have disappeared ridgeline, ridge - a long narrow range of hills ridge - a long narrow natural elevation on the floor of the ocean shore - the land along the edge of a body of water incline, slope, side - an elevated geological formation; "he climbed the steep slope"; "the house was built on the side of a mountain" natural spring, outpouring, fountain, spring, outflow - a natural flow of ground water scree, talus - a sloping mass of loose rocks at the base of a cliff mineral vein, vein - a layer of ore between layers of rock crater, volcanic crater - a bowl-shaped geological formation at the top of a volcano wall - a vertical (or almost vertical) smooth rock face (as of a cave or mountain) groundwater level, water table, water level - underground surface below which the ground is wholly saturated with water; "spring rains had raised the water table"