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Classroom Contents
Temporal Triple Oxygen Isotope Trend Recorded by Precambrian Cherts
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- 1 Introduction
- 2 Motivation
- 3 How cherts form
- 4 Opal A
- 5 Archean
- 6 Secondary Ion Probe
- 7 Temperature dependent fractionation
- 8 Altered basalts
- 9 Measurement strategy
- 10 Data collection
- 11 Comparison diagram
- 12 Another example
- 13 Best preserved samples
- 14 Data compilation
- 15 Primary signatures
- 16 Secondary processes
- 17 Primary marine silica
- 18 Global compilation of charts
- 19 Changing seawater composition
- 20 Generalized interpretation
- 21 Conclusions
- 22 What would it suggest