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==Sulfur and hydrogen isotopes==
 
==Sulfur and hydrogen isotopes==
 
Sulfur isotopes are frequently measured for high-sulfur oils and related kerogens. They are useful primarily in distinguishing among various types of anoxic environments.<ref name=ch08r36>Orr, W., L., 1986, Kerogen/asphaltene/sulfur relationships in sulfur-rich Monterey oils: Organic Geochemistry, vol. 10, p. 499–516., 10., 1016/0146-6380(86)90049-5</ref> Hydrogen isotopes are used occasionally, particularly for gases. Interpretation of hydrogen isotopes for oils is difficult.<ref name=ch08r48>Schoell, M., 1982, Application of isotopic analyses in oil and natural-gas research: Spectra, vol. 8, no. 2 & 3, p. 32–41.</ref>
 
Sulfur isotopes are frequently measured for high-sulfur oils and related kerogens. They are useful primarily in distinguishing among various types of anoxic environments.<ref name=ch08r36>Orr, W., L., 1986, Kerogen/asphaltene/sulfur relationships in sulfur-rich Monterey oils: Organic Geochemistry, vol. 10, p. 499–516., 10., 1016/0146-6380(86)90049-5</ref> Hydrogen isotopes are used occasionally, particularly for gases. Interpretation of hydrogen isotopes for oils is difficult.<ref name=ch08r48>Schoell, M., 1982, Application of isotopic analyses in oil and natural-gas research: Spectra, vol. 8, no. 2 & 3, p. 32–41.</ref>
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==See also==
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* [[Isotopic parameter data]]
      
==References==
 
==References==
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