The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 31... ...
Zak (1980~. The age curves of sulfur and oxygen isotopes in marine sulfate and their mutual interpretation, Chemical Geology 28, 199-260.
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From page 32... ...
(1990~. Bolide impacts and the oxidation state of carbon in the Earth's early atmosphere, Origins of Life 20, 199-23 1.
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From page 33... ...
Schidlowski (1983~. 87Sr/86Sr in late Proterozoic carbonates: Evidence of a "mantle" 33 event at 900 Ma ago, Geochimica Cosmochimica Acta 47, 295-302.
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