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Science Vocab L.1

QuestionAnswer
Uniformitarianism States that geologic processes that occur today are similar to those that have occurred in the past
Absolute Age The actual age of the events
Relative Age Is the age of rocks and geologic features compared with other rocks and features nearby
Superposition Is the principle that in undisturbed rock layers, the oldest rocks are on the bottom
Original Horizontality Most rock-forming materials are deposited in horizontal layers
Lateral Continuity Is the principle that sediments are deposited in large, continuous sheets in all lateral directions
Inclusions If one rock contains pieces of another rock, the rock containing the pieces is younger than the pieces
Cross-cutting Relationships If one geologic feature cuts across another feature, the feature that it cuts across is older
Fossils The remains or traces of ancient living things
Mass Extinctions Times when many species on Earth died or became extinct within a relatively short period of time
Created by: poncmon31
 

 



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