:Lyell was a geologist who created several theories related to the geologic age of the earth, including I believe uniformitarianism, and contained in his book ''Principles of Geology''. [[User:Karajou|Karajou]] 12:50, 18 June 2007 (EDT) | :Lyell was a geologist who created several theories related to the geologic age of the earth, including I believe uniformitarianism, and contained in his book ''Principles of Geology''. [[User:Karajou|Karajou]] 12:50, 18 June 2007 (EDT) |