geological phenomenon

1. A natural phenomenon involving the structure or composition of the earth (synset 111437786)
   referred to in: geology - a science that deals with the history of the earth as recorded in rocks
   is a type of: natural phenomenon - all phenomena that are not artificial
   subtypes:

   • earthquake, quake, seism, temblor - shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity
   • endogeny - a geological phenomenon below the surface of the earth
   • alluvial cone, alluvial fan - a fan-shaped deposit where a fast flowing stream flattens out
   • cataclysm, catastrophe - a sudden violent change in the earth's surface
   • continental drift - the gradual movement and formation of continents (as described by plate tectonics)
   • alluviation, deposit, sedimentation - the phenomenon of sediment or gravel accumulating
   • alluvion, deluge, flood, inundation - the rising of a body of water and its overflowing onto normally dry land
   • frost heave, frost heaving - upthrust of ground or pavement caused by the freezing of moist soil
   • transgression - the spreading of the sea over land as evidenced by the deposition of marine strata over terrestrial strata
   • volcanism - the phenomena associated with volcanic activity

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