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This is supposed to be hard-headed pragmatism.” (O’Rourke, J.

The series of quotes begins with a vivid illustration of this circular reasoning in action.

Scientists have determined the relative times of appearance and disappearance of many kinds of organisms from the location of their fossils within the sedimentary rock layers.” (Glenco, 1994, pp. 714.) “The procession of life was never witnessed, it is inferred.

306-307.) “No paleontologist worthy of the name would ever date his fossils by the strata in which they are found. The vertical sequence of fossils is thought to represent a process because the enclosing rocks are interpreted as a process.

The only chronometric scale applicable in geologic history for the stratigraphic classification of rocks and for dating geologic events exactly is furnished by the fossils.

Owing to the irreversibility of evolution, they offer an unambiguous timescale for relative age determinations and for world-wide correlations of rocks.” (Schindewolf, O.

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