In situ U-Pb Dating Combined with SEM Imaging on Zircon — An Analytical Bond for Effective Geological Recontructions ( Geochronology - Methods and Case Studies )

Publication series ： Geochronology - Methods and Case Studies

Author： Annamaria Fornelli Giuseppe Piccarreta and Francesca Micheletti  

Publisher： IntechOpen‎

Publication year： 2014

E-ISBN: INT5704158540

P-ISBN(Paperback): 9789535116431

P-ISBN(Hardback):  9789535116431

Subject： P5 Geology

Keyword： 地质学

Language： ENG

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In situ U-Pb Dating Combined with SEM Imaging on Zircon — An Analytical Bond for Effective Geological Recontructions

Chapter

Chapter 5 In situ U-Pb Dating Combined with SEM Imaging on Zircon — An Analytical Bond for Effective Geological Recontructions

1. Introduction

2. Analytical techniques

2.1. Sample preparation

2.2. Zircon imaging

2.3. In situ U-Pb data acquisition on zircon crystals

2.3.1. LA-ICP-MS (Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry)

2.3.2. SIMS (Secondary Ion Mass Spectrometry)

2.3.3. SHRIMP (Sensitive High Resolution Ion MicroProbe)

3. Geological setting of case study

3.1. Geological reconstructions inferred from U-Pb spot data

3.1.1. Recognizable Gondwana pertinence

3.1.2. Neoproterozoic-Cambrian bimodal magmatism

3.1.3. Ordovician–Silurian tectono-thermal activity

3.1.4. Variscan orogenesis (Devonian-Lower Permian times)

3.1.5. Post lower Permian events

4. Conclusions

Author details

References

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