阿拉伯/努比亚盾的地热结构的建模:使用地球物理和地质工具进行多参数分析
Menna Haggag1, Mohamed Sobh2, Soha Hassan3
1Geology Department, Faculty of Science, Mansoura University, Mansoura, 35116, Egypt. mennahaggag@std.mans.edu.eg.
Scientific reports
|January 12, 2026
概括
阿拉伯 - 努比亚盾牌显示了显著的石质层差异. 阿拉伯盾牌和红海裂中的薄而热的石化层表明地热潜力,与稳定的阿拉伯平台不同.
科学领域:
- 地质物理学 地质物理学
- 构造学 构造学 构造学 构造学
- 地力学是什么?地力学是什么?
背景情况:
- 阿拉伯 - 努比亚盾牌 (ANS) 是一个新新生代的构造性马赛克,对石层结构和地热条件的了解很少.
- 之前的研究缺乏在整个ANS的综合数据.
研究的目的:
- 绘制ANS的地和上层地幔结构.
- 调查整个ANS的石质层结构和地热体制.
- 确定适合地热勘探的地区.
主要方法:
- 集成S波断层扫描和地震速度模型.
- 使用重力场和稳态海洋循环探测器 (GOCE) 卫星数据对石质层密度的分析.
- 从中等分辨率成像光谱辐射仪 (MODIS) 图像中评估陆地表面温度 (LST).
主要成果:
- 在稳定的阿拉伯平台和阿拉伯盾牌/红海裂之间发现了强烈的石质层对比.
- 阿拉伯平台表现出厚厚的,寒冷的石化层,热量流量低 (40-50mW/m2).
- 阿拉伯盾牌和红海裂显示了具有高热量流动 (70-90 mW/m2) 的薄石化层,低S波速度,减少地幔密度和高温异常.
结论:
- 主动地幔上升和石质层稀薄是阿拉伯盾牌和红海裂的特征.
- 多参数框架强调了石质层显著稀薄的区域作为主要的地热勘探目标.
- 这项研究为ANS的中纪地力学演变提供了新的见解.
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