Figures and Tables : Isotopic evidence for microbial sulphate reduction in the early Archaean era : Nature

From the following article:

Isotopic evidence for microbial sulphate reduction in the early Archaean era

Yanan Shen, Roger Buick and Donald E. Canfield

Nature 410, 77-81(1 March 2001)

doi:10.1038/35065071

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Figure 1

Relationships between sulphur species at North Pole, Australia.

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The isotopic composition of sulphur species from the barite deposits of North Pole, Australia. delta ³⁴S = 1,000[(³⁴S/³²S)_sample/(³⁴S/³²S)_standard] - 1 relative to the Cañon Diablo Troilite standard.

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Figure 3

The secular trends in the isotopic composition of seawater sulphate and sulphide over geological time.

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Figure 4

The tree of life based on SSU rRNA sequence analysis, with some temporal constraints on branching.

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Figures and Tables

From the following article:

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