Geology
Latest articles in Geology
Definition of runoff
Rainwater that moves over a surface is called runoff. The term also refers to the current that is formed when a channel, whether artificial or natural, is unable to contain the water. An external current If the mechanisms arranged for the water to drain are insufficient, an […]
Definition of monolithic
The term monolithic has several meanings. The first meaning mentioned by the Royal Spanish Academy (RAE) in its dictionary refers to that linked to a monolith. Something made of stone A monument made from a single piece of stone is called a monolith. By extension, to what is manufactured only with […]
Definition of pleasantness
The geological process through which sediments accumulate on a depressed surface is called aggradation. In this way, the aggradation, with the filling of this type of areas, tends to level the surface. Degradation, transportation and aggradation Agradation is the third stage of gradation, which begins with the degradation of the terrain […]
Definition of gravel
Small gravel is called gravel. This material is used to produce cement and for paving. Small gravel Before moving forward with the definition of gravel, therefore, we must focus on the concept of gravel. Crushed stones that are used to cover a surface are […]
Definition of gravel
Gravel is the group of small stones known as pebbles, which are smooth rocks that are usually found in the beds of streams and rivers and on the banks. Crushed stones used to cover the surface of a road are also called gravel. Small stones The idea of gravel, […]
Definition of glacierism
The set of phenomena that are linked to glaciers is known as glacierism. A glacier, meanwhile, is a body of ice that accumulates on the area of perpetual snow in a mountain range, whose lower sector slides slowly like a river. Glaciation It is important to mention that many times […]
Definition of underground
Underground is that which is found beneath the earth. The term comes from the Latin word subterraneus. Below the ground For example: «The president tried to hide in an underground shelter but his enemies soon found him», «The government plans to build an underground tunnel that crosses the river and facilitates the connection of the […]
Definition of silica
The notion of silica, coming from the Latin word silex, refers to a mineral that is composed of oxygen and silicon. When silica is hydrated, it forms opal, while if the mineral is anhydrous it gives rise to quartz. General description Present in most rocks, silica is characterized by […]
Definition of subduction
The term subduction has its etymological origin in the Latin word subductio, which refers to "raise." The notion of subduction is used in the field of geology to refer to what happens when the edge of one plate slides under the edge of another. Tectonic plates Before moving forward, it is important […]
Definition of pterodactyl
A pterodactyl is an extinct flying animal. It is a prehistoric reptile that, according to fossils found in various regions, had membranes similar to those that bats have today. General characteristics Pterodactyls lived about 150 million years ago, in the Jurassic period. His remains have been […]