BioScience Dictionary

 
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Found Uniformitarianism 1 time.

Displaying results 1 to 10.

1. Uniformitarianism
The idea that geological processes have remained uniform over time and that slight changes over long periods can have large-scale consequences; proposed by James Hutton in 1795 and refined by Charles Lyell during the 1800s.The principle on which modern geology was founded: processes operating today on the earth operated in much the same way in the geologic past. Sometimes expressed as "the present is the key to the past".