Abstract Sulfur isotope fractionation values have been measured in sedimentary sulfides of varying ages, The ‘Antiquity and evolutionary status of bacterial sulfate reduction...’ has been inferred from these measurements by Schidlowski (1979). However, under experimental conditions, the isotope values vary widely due to inadequately controlled variables. Thus the direct extrapolation of sulfur isotope fractionation values measured in the laboratory to those measured in sedimentary rocks is unwarranted. New sulfur transforming microbes have been described and recent measurements indicate that inorganic processes affect sulfur isotope fractionation values. This information is summarized here; at present sulfur isotope fractionation values are insufficient to determine the antiquity of sulfate reduction.
Are sulfur isotope ratios sufficient to determine the antiquity of sulfate reduction
Origins of life ; 10 , 4
1980
Aufsatz (Zeitschrift)
Englisch
Lokalklassifikation TIB: | 535/3908/4290 | |
BKL: | 44.71 Verkehrsmedizin |
Antiquity and evolutionary status of bacterial sulfate reduction: Sulfur isotope evidence
Online Contents | 1979
|Sulfur isotope ratios of sulfate in wet deposits in Japan
British Library Conference Proceedings | 1997
|Oxygen and silicon isotope ratios of lunar rock 12013
NTRS | 1970
|Religious Space in Late Antiquity
British Library Conference Proceedings | 2007
|Domestic Space in Late Antiquity
British Library Conference Proceedings | 2007
|