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Effects of secondary hydrothermal fluids on gallium distribution and coordination in hot springs silica using Ga K-edge XANES
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DOI:10.1016/j.apgeochem.2026.106961.png)
Abstract
En 中文
• High Ga concentrations in hot springs sinter are heterogeneously distributed. • Coexisting tetrahedral and octahedral Ga in sinter highlights diagenetic processes. • Gallium in alkali chloride silica precipitation is tetrahedrally coordinated. • Octahedral gallium in sinter results from Fe-rich acidic fluid overprinting.
Keywords:
Hot springs
New Zealand
Gallium
Sinter
Synchrotron radiation
Coordination number
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