<p> </p><ul><li>1.1 Background and Research Objectives</li><li>1.2 Significance of Geochemical Analysis in Volcanic Studies</li><li>1.3 Scope and Research Questions</li><li>1.4 Selection of Tectonic Settings</li><li>1.5 Structure of the Thesis</li></ul> <ul><li>2.1 Overview of Volcanic Rock Geochemistry</li><li>2.2 Tectonic Settings and Volcanism</li><li>2.3 Previous Geochemical Studies on Volcanic Rocks</li><li>2.4 Analytical Techniques in Geochemical Analysis</li><li>2.5 Theoretical Framework</li></ul> <ul><li>3.1 Selection of Study Areas</li><li>3.2 Sample Collection and Preparation</li><li>3.3 Geochemical Analytical Techniques</li><li>3.4 Isotopic Analysis and Mineralogical Studies</li><li>3.5 Data Integration and Interpretation</li></ul> <ul><li>4.1 Geochemical Characteristics of Volcanic Rocks</li><li>4.2 Petrogenesis and Tectonic Implications</li><li>4.3 Comparison with Regional Tectonic Models</li><li>4.4 Temporal Evolution of Volcanic Activity</li><li>4.5 Significance for Understanding Tectonic Settings</li></ul> <ul><li>5.1 Summary of Key Findings</li><li>5.2 Contributions to Volcanic Geochemistry</li><li>5.3 Limitations and Suggestions for Future Research</li><li>5.4 Practical Implications for Tectonic Studies</li><li>5.5 Recommendations for Further Research and Applications</li></ul> <br><p></p>