Wenlanzhangite–(Y) from the Yushui deposit, South China: A potential proxy for tracing the redox state of ore formation
-
Peng Liu
,
Guowu Li
Abstract
Mineral phases in which vanadium (V) and heavy-rare-earth elements (HREEs) coexist are rarely documented. Here, we report a new V-HREE-bearing silicate mineral species, wenlanzhangite-(Y), which is a vanadiferous derivate of jingwenite-(Y)
Wenlanzhangite-(Y) is triclinic, with space group P1(#2), Z = 2, and unit-cell parameters a = 5.9632(7) Å, b = 9.599(1) Å, c = 9.9170(9) Å, α = 90.033(8)°, β = 98.595(2)°, γ = 90.003(9)°, and V = 561.28(10) Å3. Wenlanzhangite-(Y) is approved by the International Mineralogical Association Commission on New Minerals, Nomenclature and Classification (IMA2022-142). The structure of wenlanzhangite-(Y) is composed of a-axis-oriented chains of [VO6] octahedra consisting of edge-sharing octahedra linked by insular [SiO4] tetrahedra, leaving open channels occupied by rare earth elements. Observed compositional variation and crystal structure demonstrate that V3+ can substitute for Al3+ in jingwenite-(Y), forming wenlanzhangite-(Y). The occurrence of wenlanzhangite-(Y) indicates a relatively more reducing hydrothermal environment, causing a reduction of V5+ in oxidized fluids to V3+ and thus represents a useful proxy for tracing the redox state of ore formation.
Funding statement: This research was jointly funded by the National Natural Science Foundation of China (42272070, 42130102, 42242201, and 42102080), the Young Star of Science and Technology Plan Projects in Shaanxi Province, China (2023KJXX-037), and the Outstanding Young Talents of Special Support Program in Shannxi Province, China (Peng Liu).
Acknowledgments
The authors thank Yuan Cheng, Instrumentation and Service Center for Molecular Sciences, Westlake University, for the reflectance measurement. We are grateful to the editors Don Baker and Paolo Lotti, and two anonymous reviewers for their constructive and critical comments and suggestions.
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Articles in the same Issue
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Articles in the same Issue
- Trace element fractionation in magnetite as a function of Fe depletion from ore fluids at the Baijian Fe-(Co) skarn deposit, eastern China: Implications for Co mineralization in Fe skarns
- Evidence for oceans pre-4300 Ma confirmed by preserved igneous compositions in Hadean zircon
- Experimental vs. natural fulgurite: A comparison and implications for the formation process
- Illitization of smectite influenced by chemical weathering and its potential control of anatase formation in altered volcanic ashes
- A modified genetic model for multiple pulsed mineralized processes at the giant Qulong porphyry Cu-Mo mineralization system
- Lead and noble gas isotopic constraints on the origin of Te-bearing adularia-sericite epithermal Au-Ag deposits in a calc-alkaline magmatic arc, NE China
- Wenlanzhangite–(Y) from the Yushui deposit, South China: A potential proxy for tracing the redox state of ore formation
- High-resolution SIMS U-Th-Pb geochronology of small-size (<5 μm) monazite: Constraints on the timing of Qiuling sediment-hosted gold deposit, South Qinling Orogen, central China
- An evolutionary system of mineralogy, Part VIII: The evolution of metamorphic minerals
- Gamma-enhancement of reflected light images as a routine method for assessment of compositional heterogeneity in common low-reflectance Fe-bearing minerals
- Polysomatic intergrowths between amphiboles and non-classical pyriboles in magnetite: Smallest-scale features recording a protracted geological history
- Mineralogical and geochemical facets of the massive deposition of stibnite-metastibnite at a seafloor hydrothermal field (Wakamiko Crater, Kagoshima Bay, Ryukyu Volcanic Arc)
- High-pressure phase transition in clinochlore: IIa polytype stabilization
- Memorial of Larry Wayne Finger (1940–2024)
