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      Stable oxygen and carbon isotope compositional fields for skeletal and diagenetic components in New Zealand Cenozoic nontropical carbonate sediments and limestones: a synthesis and review

      Nelson, Campbell S.; Smith, Abigail M.
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      Stable oxygen.pdf
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       www.royalsociety.org.nz
      Citation
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      Nelson, C.S. & Smith, A.M. (1996). Stable oxygen and carbon isotope compositional fields for skeletal and diagenetic components in New Zealand Cenozoic nontropical carbonate sediments and limestones: a synthesis and review. New Zealand Journal of Geology and Geophysics, 39(1), 93-109.
      Permanent Research Commons link: https://hdl.handle.net/10289/4727
      Abstract
      The stable oxygen isotope composition (d¹⁸O) of a precipitated carbonate depends mainly on the isotope composition, salinity, and temperature of the host fluid, whereas the stable carbon isotope composition (d¹³C) reflects the source of CO2 for precipitation, such as meteoric or sea water, shell dissolution, or various biochemical origins, including microbial oxidation of organic matter and methane. Despite the potentially complex array of controls, natural waters tend to show a characteristic range of isotope values which in turn are mimicked or tracked by the carbonate minerals precipitated from them. Consequently, plots of d¹⁸O versus d¹³C for carbonate materials can help identify their depositional and/or diagenetic environment(s).
      Date
      1996
      Type
      Journal Article
      Rights
      This article has been published in the journal: New Zealand Journal of Geology and Geophysics. © 1996 The Royal Society of New Zealand.
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      • Science and Engineering Papers [3077]
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