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Abbravation: Quaternary Research

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Cambridge University Press

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DOI

10.1016/0009-8981(64)90195-0

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1096-0287

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Some Effects of Partial Recrystallisation on span

Authors: John Chappell Henry A Polach
Publish Date: 1972/09
Volume: 2, Issue: 2, Pages: 244-252
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Abstract

The issue of sea level during the last interstadial revolves largely around the problem of achieving reliable 14C dates for shell carbonate from Late Pleistocene shallow marine and littoral deposits A set of 27 samples were collected from Late Pleistocene reefs in New Guinea and measurements made of 13C 14C plus the degree of recrystallisation determined by Xray diffraction The original fibrous aragonite structure of the samples corals and clams is seen in thin section to recrystallise in two quite different modes The carbon isotope results strongly suggest that one mode the sparry calcite recrystallisation represents an open geochemical system which allows contamination by more recent 14C while the subtle coarsening mode of recrystallisation represents a closed system often yielding reliable results The reliability of the latter can be validated if a similarly recrystallised sample known to be outside the range of 14C dating shows a background 14C count

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References

citation title=Astronomical theory of climatic change—support from New Guinea citation author=Veeh HH citation author=Chappell JMA citation publication date=1970 citation journal title=Science citation volume=167 citation firstpage=862 citation lastpage=865 citation doi=101126/science1673919862

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Other Papers In This Journal:
  1. Ice-Sheet Glaciation of the Puget Lowland, Washington, during the Vashon Stade (Late Pleistocene) 1
  2. The Timing of Late Pleistocene Mammalian Extinctions in North America
  3. An Altitudinal Cline in Tropical African Grass Floras and Its Paleoecological Significance
  4. Glaciations of the West Coast Range, Tasmania
  5. Tephrochronology of Late Wisconsin Deglaciation and Holocene Glacier Fluctuations Near Glacier Peak, North Cascade Range, Washington
  6. Determining the Exposure Age of a Karst Landscape
  7. Stable Isotope Stratigraphy of a Late Last Interglacial Speleothem from Rana, Northern Norway
  8. Holocene Paleoenvironmental Change in the Kenyan Central Rift as Indicated by Micromammals from Enkapune Ya Muto Rockshelter
  9. Paleoecological Studies at Lake Patzcuaro on the West-Central Mexican Plateau and at Chalco in the Basin of Mexico 1
  10. Some Effects of Partial Recrystallisation on 14 C dating Late Pleistocene Corals and Molluscs
  11. Climate Variation and the Rise and Fall of an Andean Civilization
  12. Saharan Dust Transport and High-Latitude Glacial Climatic Variability: The Alboran Sea Record
  13. Pedogenic Gradients for Iron and Aluminum Accumulation and Phosphorus Depletion in Arctic and Alpine Soils as a Function of Time and Climate
  14. Glacial-Marine Sedimentation and Quaternary Glacial History of Marguerite Bay, Antarctic Peninsula
  15. QUA volume 31 issue 1 Cover and Front matter
  16. Paleoclimatic Significance of the Stable Isotopic Composition and Petrology of a Late Pleistocene Stalagmite from Botswana
  17. Mass Balance and Sliding Velocity of the Puget Lobe of the Cordilleran Ice Sheet During the Last Glaciation
  18. Tephrochronology of the Western Gulf of Mexico for the Last 185,000 Years
  19. Is There Evidence for Solar Forcing of Climate in the GISP2 Oxygen Isotope Record?
  20. Plio-Pleistocene Marine-Continental Correlation using Habitat Indicators from Olduvai Gorge, Tanzania
  21. Late Weichselian Marine 14 C Reservoir Ages at the Western Coast of Norway
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  23. The Late Wisconsinan Savanna Terrace in Tributaries to the Upper Mississippi River
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  27. Alluvial Pollen on the North China Plain
  28. Vegetation, Climate, and Sea Level in the Past 55,000 Years, Hanjiang Delta, Southeastern China
  29. Aspartic Acid Racemization in Late Wisconsin Lake Ontario Sediments
  30. The Classic Marine Isotope Substage 5e
  31. Mire Development and Environmental Change, Barrington Tops, New South Wales, Australia
  32. Significance of Two New Pleistocene Plant Records from Western Europe
  33. Lake Tapps Tephra: An Early Pleistocene Stratigraphic Marker in the Puget Lowland, Washington
  34. Modern and Holocene Pollen Assemblages from Some Small Arctic Lakes on Somerset Island, NWT, Canada
  35. Toward the Definition of Criteria for the Recognition of Artificial Bone Alterations 1
  36. Late Weichselian and Holocene Relative Sea-level History of Bröggerhalvöya, Spitsbergen
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