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This glossary of geology is a list of definitions of terms and concepts relevant to geology, its sub-disciplines, and related fields. For other terms related to the Earth sciences , see Glossary of geography terms (disambiguation) .
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...
The Dictionary of Occupational Titles lists the following occupations in Geology, which it describes as "concerned with the investigation of the composition, structure, and physical and biological history of the earth's crust and the application of this knowledge in such fields as archeology, mining, construction, and environmental impact": [1]
Download QR code; Print/export Download as PDF ... move to sidebar hide. Glossary of geography terms may refer to: Glossary of geography terms (A–M) Glossary of ...
Abîme – Geographical term referring to vertical shaft in caves; Abyssal fan – Underwater geological structures associated with large-scale sediment deposition; Abyssal plain – Flat area on the deep ocean floor; Ait – Islands found on the River Thames and its tributaries in England; Alluvial fan – Fan-shaped deposit of sediment
A geological formation within a cave that has been created by the removal of bedrock, rather than as a secondary deposit. Speleogenesis. Main article: Speleogenesis. The origin and development of caves, the primary process that determines essential features of the hydrogeology of karst and guides its evolution. Speleothem. Main article: Speleothem
Color index, as a geological term, is a measure of the ratio between generally dark mafic minerals and generally light felsic minerals in an igneous rock. [ 1 ] [ 2 ] The color index of an igneous rock is the volume percentage of mafic minerals in the rock, excluding minerals generally regarded as "colorless" such as apatite , muscovite ...
In geology, sial is an antiquated [1] blended term for the composition of the upper layer of Earth's crust, namely rocks rich in aluminium silicate minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, [2] but 'sial' is a geochemical term rather than a plate tectonic term. [3]