Geology Articles

• Global Warming
  Ice Ages
  Snow and Avalanches
  Oceanography
  Water
  Climate
   
  

  Glacier

  A glacier is a large, long-lasting river of ice that is formed on land and moves in response to gravity. A glacier is formed by multi-year ice accretion in sloping terrain. Glaciers can be found on ... > more
• Global Warming
  Environmental Issues
  Climate
  Geomagnetic Storms
  Atmosphere
  Environmental Science
   
  

  Greenhouse effect

  The greenhouse effect is the process in which the emission of infrared radiation by the atmosphere warms a planet's surface. The name comes from an analogy with the warming of air inside a greenhouse ... > more
• Dinosaurs
  Extinction
  Geography
  Nature
  Environmental Policy
  Marine Biology
   

  Cretaceous

  The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more
• Fossils
  Paleontology
  Evolution
  Early Mammals
  Dinosaurs
  Charles Darwin
   
  

  Fossil

  Fossils are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. The totality of fossils and their placement in fossiliferous ... > more
• Volcanoes
  Natural Disasters
  Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Tsunamis
   
  

  Decade Volcanoes

  The Decade Volcanoes are 16 volcanoes identified by the International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) as being worthy of particular study in light of their ... > more
• Ecology
  Ecology Research
  Nature
  Ecosystems
  Environmental Issues
  Biology
   
  

  Ecology

  Ecology, or ecological science, is the scientific study of the distribution and abundance of living organisms and how the distribution and abundance are affected by interactions between the organisms ... > more
• Soil Types
  Organic
  Fungus
  Acid Rain
  Landslides
  Agriculture and Food
   
  

  Soil

  Soil is material capable of supporting plant life. Soil forms through a variety of soil formation processes, and includes weathered rock "parent material" combined with dead and living organic matter ... > more
• Floods
  Hurricanes and Cyclones
  Water
  Natural Disasters
  Environmental Issues
  Earth Science
   
  

  Levee

  A levee, floodbank or stopbank is a natural or artificial embankment or dike, usually earthen, which parallels the course of a river. The main purpose of an artificial levee is to prevent flooding of ... > more
• Geography
  Earth Science
  Earthquakes
  Geology
  Near-Earth Object Impacts
  Geomagnetic Storms
   
  

  Circle of latitude

  On the Earth, a circle of latitude or parallel is an imaginary east-west circle that connects all locations with a given latitude. The position on the circle of latitude is given by the longitude. ... > more
• Near-Earth Object Impacts
  Earth Science
  Geology
  Earthquakes
  Environmental Issues
  Geomagnetic Storms
   
  

  Impact event

  Impact events are caused by the collision of large meteoroids, asteroids or comets (generically: bolides) with Earth and may sometimes be followed by mass extinctions of ... > more

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