Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία (-logía) 'study of, discourse') is a branch of natural science concerned with the Earth and other...

The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological...

In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included...

A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from...

Engineering geology is the application of geology to engineering study for the purpose of assuring that the geological factors regarding the location,...

In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass...

In geology, a trough is a linear structural depression that extends laterally over a distance. Although it is less steep than a trench, a trough can be...

late crystallizing minerals. Essentials of Geology, 3rd Ed, Stephen Marshak, p G-7 Essentials of Geology, 3rd Ed, Stephen Marshak, p G-5 Goldich, Samuel...

Flood geology (also creation geology or diluvial geology) is a pseudoscientific attempt to interpret and reconcile geological features of the Earth in...

Planetary geology, alternatively known as astrogeology or exogeology, is a planetary science discipline concerned with the geology of celestial bodies...

In geology, a depression is a landform sunken or depressed below the surrounding area. Depressions form by various mechanisms. Erosion-related: Blowout:...

Historical geology or palaeogeology is a discipline that uses the principles and methods of geology to reconstruct the geological history of Earth. Historical...

In geology, the crust is the outermost solid shell of a planet, dwarf planet, or natural satellite. It is usually distinguished from the underlying mantle...

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...

A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave...

Structural geology is the study of the three-dimensional distribution of rock units with respect to their deformational histories. The primary goal of...

making up about 84% of Earth's volume. It is predominantly solid, but in geological time it behaves as a viscous fluid. Partial melting of the mantle at mid-ocean...

In geology and related fields, a stratum (pl.: strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that...

Economic geology is concerned with earth materials that can be used for economic and industrial purposes. These materials include precious and base metals...

Environmental geology, like hydrogeology, is an applied science concerned with the practical application of the principles of geology in the solving of...

capstones at a rate of nearly one centimeter per year, faster than most geologic structures. Hoodoos typically form in areas where a thick layer of a relatively...

In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet. Bedrock is the solid...

The history of geology is concerned with the development of the natural science of geology. Geology is the scientific study of the origin, history, and...

A geologic province is a spatial entity with common geologic attributes. A province may include a single dominant structural element such as a basin or...

Indian peninsula. Basement (geology) Craton Platform (geology) Kearey, P. (2001). The new Penguin dictionary of geology (2nd ed.). London: Penguin. p...

Exploration geology may refer to: Exploration geophysics, a branch of geophysics which uses surface methods to detect or infer geological structures Mineral...

Unsourced material may be challenged and removed. Find sources: "Cementation" geology – news · newspapers · books · scholar · JSTOR (August 2014) (Learn how...

Mining geology is an applied science which combines the principles of economic geology and mining engineering to the development of a defined mineral...

In geology, hotspots (or hot spots) are volcanic locales thought to be fed by underlying mantle that is anomalously hot compared with the surrounding...

In geology, a sill is a tabular sheet intrusion that has intruded between older layers of sedimentary rock, beds of volcanic lava or tuff, or along the...