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...

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...

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

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

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...

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...

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

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

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...

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...

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

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

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, a blowhole or marine geyser is formed as sea caves grow landward and upward into vertical shafts and expose themselves toward the surface...

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...

alluvial fans and likely contain the largest accumulations of gravel in the geologic record. Breccias are similar to conglomerates, but have clasts that have...

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...

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

Mines & Geology is the head of the Department of Mines & Geology of the Government of Andhra Pradesh. The incumbent Minister of Mines & Geology is Kollu...

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...

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 and mineralogy, druse is a crystal habit represented by the coating of fine crystals on a rock fracture surface, or vein or within a vug or...

In geology, a platform is a continental area covered by relatively flat or gently tilted, mainly sedimentary strata, which overlie a basement of consolidated...

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

Cleavage, in structural geology and petrology, describes a type of planar rock feature that develops as a result of deformation and metamorphism. The...

21 June 2014. Allen, Ginger M.; Main, Martin B. (May 2005). "Florida's Geological History". Florida Cooperative Extension Service. University of Florida...