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Pull-apart basin – Type of basin in geology; Quarry – A place from which a geological material has been excavated from the ground; Rift – Part of a volcano where a set of linear cracks form; Sea cave – Cave formed by the wave action of the sea and located along present or former coastlines
Many of the terms are not restricted to refer to features of the planet Earth, and can be used to describe surface features of other planets and similar objects in the Universe. Examples are mountains, hills, polar caps, and valleys, which are found on all of the terrestrial planets. The scientific study of landforms is known as geomorphology.
Formations must be able to be delineated at the scale of geologic mapping normally practiced in the region; the thickness of formations may range from less than a meter to several thousand meters. [2] Geologic formations are typically named after a permanent natural or artificial feature of the geographic area in which they were first described.
A geological phenomenon is a phenomenon which is explained by or sheds light on the science of geology. Examples of geological phenomena are: Mineralogic phenomena; Lithologic phenomena Rock types. Igneous rock. Igneous formation processes; Sedimentary rock. Sedimentary formation processes (sedimentation) Quicksand; Metamorphic rock; Endogenic ...
The branch of geology and mineralogy that studies natural and artificial gemstones. gemstone. Also called a gem, fine gem, jewel, precious stone, or semi-precious stone. geogenic Of geologic origin – Resulting from naturally occurring geological processes. geologic map A special-purpose map made to show geological features. geological time scale
The geologic features related to convergent boundaries vary depending on crust types. Plate tectonics is driven by convection cells in the mantle. Convection cells are the result of heat generated by the radioactive decay of elements in the mantle escaping to the surface and the return of cool materials from the surface to the mantle. [ 2 ]
A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults , folds , are shown with strike and dip or trend and plunge symbols which give three-dimensional orientations features.
Apart from the landforms left behind by glaciers, glaciers themselves are striking features of the terrain, particularly in the polar regions of Earth. Notable examples include valley glaciers where glacial flow is restricted by the valley walls, crevasses in the upper section of glacial ice, and icefalls—the ice equivalent of waterfalls.