Isotope Analysis of Tin-Bearing Geological Materials
Summary
Isotope analysis of tin-bearing geological materials has emerged as a powerful means to unravel the origin, evolution and distribution of tin in the Earth’s crust. By measuring variations in the relative abundances of stable tin isotopes, researchers can trace the sources of cassiterite and other tin ores, assess the effects of magmatic differentiation and hydrothermal alteration, and distinguish between anthropogenic and natural contributions in archaeological and environmental samples. Advances in multicollector inductively coupled plasma mass spectrometry have enabled high-precision determinations of tin isotope ratios at sub-per mil resolution, while double-spike methodologies have corrected for instrumental mass bias. These techniques, when coupled with trace-element geochemistry and traditional petrographic studies, offer a holistic view of tin deposit formation, ore transport pathways and metal recycling through time. The integration of isotopic data with geological field evidence is informing both fundamental models of ore genesis and the sustainable exploitation of tin resources critical to modern low-carbon technologies.
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Isotope Analysis of Tin-Bearing Geological Materials publication trend
The graph below shows the total number of articles in isotope analysis of tin-bearing geological materials across all publications each year (not limited to Nature Index journals).
Technical terms
Cassiterite: The primary tin oxide mineral (SnO₂) and most common ore of tin, typically crystallising in hydrothermal veins and greisen systems.
Isotopic fractionation: The process by which chemical and physical reactions cause slight variations in the ratios of isotopes of an element.
MC-ICP-MS: Multicollector inductively coupled plasma mass spectrometry, a technique enabling simultaneous measurement of multiple isotopes with high precision.
Double-spike technique: A calibration method that adds two enriched isotopic tracers to a sample, correcting for mass bias and improving accuracy in isotope ratio determinations.
References
- The rise of bronze in Central Asia: new evidence for the origin of Bronze Age tin and copper from multi-analytical research. Frontiers in Earth Science (2023).
- Geochemical and geological properties of tin related to ore deposits: A Review. IOP Conference Series Earth and Environmental Science (2023).
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