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Table of Contents

• Summary
• Table of Contents
• List of Figures

• 1. An Old and Established Practice
• 2. Examination of 146 Petrographic Thin-Sections
• 2.1 Group I
• 2.2 Group Ia
• 2.3 Group III and IIIa
• 2.4 Results of re-examination
• 2.4.1 Group I petrography
• 2.4.2 Group Ia petrography
• 2.4.3 Group III petrography
• 2.5 Summary of axe thin-section examination
• 3. Analysis of Greenstone Exposures in Cornwall
• 3.1 Potential sources based on greenstone petrography
• 3.1.1 Lizard Peninsula: Lizard Dykes
• 3.2 Gramscatho Group
• 3.3 Mylor Slate Formation (Southern Cornwall – Mounts Bay)
• 3.4 Mylor Slate Formation (Northern Cornwall)
• 3.5 Other samples from North Cornwall
• 3.6 Summary
• 4. Quantitative Petrographic Analysis System used to Examine Thin-sections
• 4.1 Scoring parameters for petrographic analysis
• 4.2 Analysis of quantitative (scoring) results
• 4.3 Results and remarks on the quantitative petrographic analysis of thin-sections
• 4.4 Quantitative arithmetical comparison between selected axe sub-groups and exposures
• 4.5 Final remarks on the new quantitative petrographic analysis system
• 5. Discussion and Conclusion
• Bibliography

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Last updated: Wed Jul 29 2009