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Table of contents
Chapter 1. Introduction
1.1. Research background and scientific problems
1.1.1. Research background
1.1.2. Scientific problems
1.2. Topic selection and research contents
1.2.1. Topic selection
1.2.2. Research contents
1.3. Research methodology and technical route
1.3.1. Research methodology
1.3.2. Technical route
1.4. Workload and research achievements
1.4.1. Workload
1.4.2. Main findings and innovations
Chapter 2. Geological setting
2.1. South China
2.1.1. Geodynamic evolution
2.1.2. Multiple-aged granitoids and volcanic rocks
2.1.3. Polymetallic mineralization
2.2. Nanling Range
2.2.1. Middle-Late Jurassic ore-bearing granitoids
2.2.2. Middle-Late Jurassic skarn deposits
Chapter 3. Geology of the Tongshanling-Weijia area
3.1. Stratigraphy
3.2. Structures
3.3. Magmatism
3.4. Mineralization
Chapter 4. Different origins of the Cu-Pb-Zn-bearing and W-bearing granitoids
4.1. Introduction
4.2. Petrography of granitoids
4.2.1. Tongshanling granodiorite porphyry
4.2.2. Dioritic dark enclaves
4.2.3. Tongshanling granite porphyry
4.2.4. Weijia granite porphyry
4.3. Sampling and analytical methods
4.4. Results
4.4.1. Zircon U-Pb age
4.4.2. Zircon Hf isotope
4.4.3. Whole-rock major elements
4.4.4. Whole-rock trace and rare earth elements
4.4.5. Whole-rock Sr-Nd isotopes
4.5. Discussion
4.5.1. Timing of granitoids
4.5.2. Degree of fractionation
4.5.3. Petrogenesis
4.5.4. Sources of the Cu-Pb-Zn-bearing and W-bearing granitoids
4.5.5. Genetic model of the Cu-Pb-Zn-bearing and W-bearing granitoids
4.6. Summary
Chapter 5. Reworked restite enclave
5.1. Introduction
5.2. Tongshanling granodiorite and its microgranular enclaves
5.3. Petrography
5.3.1. Tongshanling granodiorite
5.3.2. Microgranular enclaves
5.4. Analytical methods
5.5. Analytical results
5.5.1. Plagioclase
5.5.2. Amphibole
5.5.3. Biotite
5.5.4. Zircon
5.6. Discussion
5.6.1. Textural evidence
5.6.1.1. Residual materials
5.6.1.2. Vestiges of magma reworking
5.6.2. Compositional evidence
5.6.2.1. Magmatic amphibole
5.6.2.2. Metamorphic amphibole
5.6.2.3. Magma reworked metamorphic amphibole
5.6.2.4. Zircon and plagioclase
5.6.2.5. Biotite
5.6.2.6. Residual materials in the granodiorite
5.6.2.7. Geochemical signatures
5.6.3. Geothermobarometry
5.6.3.1. Temperature
5.6.3.2. Pressure
5.6.4. The model for reworked restite enclave
5.7. Petrogenetic implications
Chapter 6. Magma emplacement-induced structural control on skarn formation
6.1. Introduction
6.2. Regional structural analysis
6.2.1. Normal fault
6.2.2. Contact zone
6.3. Deposit geology
6.3.1. Endoskarn
6.3.2. Exoskarn
6.3.3. Sulfide-quartz vein
6.4. Sampling and analytical methods
6.5. Results
6.5.1. RSCM thermometry
6.5.2. EBSD mapping
6.5.3. Garnet composition
6.6. Discussion
6.7. Summary
Chapter 7. Zonation and genesis of the Tongshanling Cu-Mo-Pb-Zn-Ag skarn system
7.1. Introduction
7.2. Deposit geology
7.2.1. Tongshanling Cu-Pb-Zn deposit
7.2.1.1. Proximal endoskarn
7.2.1.2. Proximal exoskarn
7.2.1.3. Distal skarn
7.2.1.4. Sulfide-quartz vein
