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> From: David Campbell <bivalve@mailserv0.isis.unc.edu>
> The observed patterns take too long to form to be possible within the
time
> scale envisioned in any scenario that tries to cram a large portion of
the
> geologic record into the Flood.
>
> I am most familiar with the issue of isotopic ratios. Samples from
around
> the world show changes in such ratios as 13C to 12C, 87Sr to 86Sr, 16O to
> 18O, etc. These changes can be seen in marine and, depending on the
> behavior of the element, often in terrestrial or fresh-water deposits.
For
> such changes to occur, there must be enough time for the global input
> patterns to change and for the new ratio to be mixed throughout the
oceans.
> Also, there must be enough time for sediment to be deposited and isolated
> from the new, changed ratio. The consistency of the ratio shifts with
> other lines of evidence such as biostratigraphy, magnetostratigraphy,
> Milankovitch cycles, and radiometric dating also supports the accuracy of
> the geologic column.
One would expect in a global catastrophe that the ratios between isotopes
in depositions will vary, not by long time, but by sequence of events
during the catastrophe. You have to get past the homogeneity concept of
the Flood. M. Oard, in his technical monograph on an Ice Age following
the Flood catastrophe, discusses how statistical correlation with the
supposed Milankovitch cycle mean nothing.
Allen
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> From: David Campbell <bivalve@mailserv0.isis.unc.edu>
> The observed patterns take too long to =
form to be possible within the time
> scale envisioned in any =
scenario that tries to cram a large portion of the
> geologic =
record into the Flood.
>
> I am most familiar with the =
issue of isotopic ratios. Samples from around
> the world =
show changes in such ratios as 13C to 12C, 87Sr to 86Sr, 16O to
> =
18O, etc. These changes can be seen in marine and, depending on =
the
> behavior of the element, often in terrestrial or fresh-water =
deposits. For
> such changes to occur, there must be enough =
time for the global input
> patterns to change and for the new =
ratio to be mixed throughout the oceans.
> Also, there must be =
enough time for sediment to be deposited and isolated
> from the =
new, changed ratio. The consistency of the ratio shifts =
with
> other lines of evidence such as biostratigraphy, =
magnetostratigraphy,
> Milankovitch cycles, and radiometric dating =
also supports the accuracy of
> the geologic column.
One =
would expect in a global catastrophe that the ratios between isotopes in =
depositions will vary, not by long time, but by sequence of events =
during the catastrophe. You have to get past the homogeneity =
concept of the Flood. M. Oard, in his technical monograph on =
an Ice Age following the Flood catastrophe, discusses how statistical =
correlation with the supposed Milankovitch cycle mean nothing. =
Allen