Jadeite quartzite in the Dabie ultra-high-pressure metamorphic belt: a novel high-grade high-purity quartz resource

高纯石英是半导体、光伏等战略性新兴产业的关键基础材料, 其资源保障对国家经济发展和科技安全具有重要意义. 本研究发现大别山超高压变质带中产出的硬玉石英岩是一种新型高品质高纯石英原料矿. 通过系统采样和石英原位微量元素分析, 发现其石英杂质含量很低. 总杂质元素平均含量为11.8~22.4 ppm, 关键杂质元素Al和Ti的平均含量分别为2.8~7.5 ppm和2.6~3.6 ppm, 接近或优于国际主流高端高纯石英砂产品. 研究揭示, 硬玉石英岩中石英的高纯特性与现存柯石英退变质过程中,高压中温(1.8~2.8 GPa和630~700 °C)、贫流体条件下石英的结晶和生长密切相关. 这一发现为我国高纯石英资源的找矿方向提供了新思路,有望成为保障国家高纯石英砂生产的重要战略性资源.

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Publication Details

Journal
Chinese Science Bulletin (Chinese Version)
Published
2026-02-01
DOI
https://doi.org/10.1360/csb-2026-0037
Primary Topic
Geological and Geochemical Analysis
Type
article
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article

Jadeite quartzite in the Dabie ultra-high-pressure metamorphic belt: a novel high-grade high-purity quartz resource

Zhengqiang Liang, P. Liu, Hongkun Zeng, Zhenmin Jin et al.
Chinese Science Bulletin (Chinese Version)
Geological and Geochemical Analysis
article

Jadeite quartzite in the Dabie ultra-high-pressure metamorphic belt: a novel high-grade high-purity quartz resource

Zhengqiang Liang, P. Liu, Hongkun Zeng, Zhenmin Jin, Wenlong Liu, Junfeng Zhang
article en

Abstract

高纯石英是半导体、光伏等战略性新兴产业的关键基础材料, 其资源保障对国家经济发展和科技安全具有重要意义. 本研究发现大别山超高压变质带中产出的硬玉石英岩是一种新型高品质高纯石英原料矿. 通过系统采样和石英原位微量元素分析, 发现其石英杂质含量很低. 总杂质元素平均含量为11.8~22.4 ppm, 关键杂质元素Al和Ti的平均含量分别为2.8~7.5 ppm和2.6~3.6 ppm, 接近或优于国际主流高端高纯石英砂产品. 研究揭示, 硬玉石英岩中石英的高纯特性与现存柯石英退变质过程中,高压中温(1.8~2.8 GPa和630~700 °C)、贫流体条件下石英的结晶和生长密切相关. 这一发现为我国高纯石英资源的找矿方向提供了新思路,有望成为保障国家高纯石英砂生产的重要战略性资源.

Chinese Science Bulletin (Chinese Version)
Openalex Percentile: Top 67%
Geological and Geochemical Analysis
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Jadeite quartzite in the Dabie ultra-high-pressure metamorphic belt: a novel high-grade high-purity quartz resource — Zhengqiang Liang, P. Liu, et al. · Chinese Science Bulletin (Chinese Version) (2026) | TGRS Research Map | TGRS