Uniformitarianism is the assumption that the same natural laws and processes that operate in the universe now have always operated in the universe in the past and apply everywhere in the universe. It has included the gradualistic concept that "the present is the key to the past"and is functioning at the same rates.

Uniformitarianism
Uniformitarianism
Uniformitarianism
Is Uniformitarianism Necessary?
Is uniformitarianism necessary? Am J Sci
Evolutionary uniformitarianism
Is uniformitarianism necessary?; a discussion
Uniformitarianism today: plate tectonics is the key to the past
Uniformitarianism as a guide to rocky-shore ecosystems in the geologic...
Updating uniformitarianism: stratigraphy as just a set of 'frozen accidents'
Uniformitarianism and palaeoclimates: Inferences from the distribution of carbonate rocks
Palaeoecological models, non-uniformitarianism, and tracking the changing ecology of the past
Mortality models and milking: Problems of uniformitarianism, optimality and equifinality reconsidered