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QuestionAnswer
Uniformitarianism A principle stating that geologic processes that occur today are similar to those that occurred is the past.
Absolute age The numerical age, in years,of a rock or object.
Relative age The age of rocks and geologic features compared with other hearby rock and features.
Superposition The principle that in undisturbed rock layers,the oldest rocks are on the bottom.
Original horizontality Principle that most rock forming materials are deposited in horizontal layers.
Lateral continuity Principle that sediments are deposited in large, continuous sheets in all lateral direction.
Inclusions A piece of an older rock that becomes a part a new rock.
Cross-cutting relationship That any geological feature that cuts across or disrupts another feature is the younger of the two.
Fossils The preserved remains or remains or evidence of past livi organisms.
Mass extinctions The extinction of way species on Earth within a short period of time.
Created by: user-2009166
 

 



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