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|a A Chronology of Paleozoic Sea-Level Changes |h [electronic resource]. |
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|a [S.l.] : |b American Association for the Advancement of Science, |c 2008. |
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|a Science Magazine Volume 322. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Sea levels have been determined for most of the Paleozoic Era (542 to 251 million years ago),
but an integrated history of sea levels has remained unrealized. We reconstructed a history
of sea-level fluctuations for the entire Paleozoic by using stratigraphic sections from pericratonic
and cratonic basins. Evaluation of the timing and amplitude of individual sea-level events reveals
that the magnitude of change is the most problematic to estimate accurately. The long-term sea
level shows a gradual rise through the Cambrian, reaching a zenith in the Late Ordovician, then a
short-lived but prominent withdrawal in response to Hirnantian glaciation. Subsequent but
decreasingly substantial eustatic highs occurred in the mid-Silurian, near the Middle/Late Devonian
boundary, and in the latest Carboniferous. Eustatic lows are recorded in the early Devonian,
near the Mississippian/Pennsylvanian boundary, and in the Late Permian. One hundred and
seventy-two eustatic events are documented for the Paleozoic, varying in magnitude from a few
tens of meters to ~125 meters. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|t A Chronology of Paleozoic Sea-Level Changes |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15061945/00001 |y Click here for full text |
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|3 Host material |u http://www.sciencemag.org/content/322/5898/64.full |y A Chronology of Paleozoic Sea-Level Changes |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/19/45/00001/FI15061945_thm.jpg |
