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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 61 (1991)No. 7. (December), Pages 1063-1069

Orbital Forcing and Sedimentary Sequences

Alfred G. Fischer, David J. Bottjer

ABSTRACT

"The variation of eccentricity is connected with the most celebrated attempts to determine a limited portion of geologic time. In the elaboration of the theory of the ice age that bears his name, Croll correlated two important epochs of glaciation with epochs of eccentricity computed to have occurred 100,000 and 210,000 years ago. As the analysis of the glacial history progresses, these correlations will eventually be established or disproved, and should they be established it is possible that similar connections may be made between events far more remote". (Gilbert 1900, p. 15-16).

"But the precessional motion pulses steadily on through the ages, like the swing of a frictionless pendulum. Its throb may or may not be caught by the geological process which obtains in a particular province and in a particular era, but whenever the conditions are favorable and the connection is made, the record should reflect the persistence and the regularity of the inciting rhythm". (Gilbert 1900, p. 18).


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