板块漂移速度控制碳化合物源岩石发育水平,以古世为例
Yuan Zhuang1,2, Fengli Yang3,4, Mingchen Xu2
1State Key Laboratory of Marine Geology, Tongji University, Shanghai, 200092, China.
Scientific reports
|May 17, 2025
概括
低构造板的漂移速度最有利于开发碳化合物来源岩石. 丰富的碳化合物源岩石形成的最佳条件发生在低漂移速度 (0.97-5.00厘米/年) 和在15-30°北/南古度附近的稳定板状位置.
科学领域:
- 地质地质地质地质地质地
- 地质物理学 地质物理学
- 古地质学 古地质学
背景情况:
- 构造板块的漂移影响了海洋盆地动态,超大陆的聚集和沉积盆地形成.
- 板块漂移速度影响板块几何,大型火山火山和海洋岩石化学.
- 板块漂移速度和碳化合物资源开发之间的关系尚未得到充分理解.
研究的目的:
- 调查古老纪板块漂移速度对碳化合物源岩石开发的影响.
- 为了将板块漂移速度与源岩的数量和总有机碳 (TOC) 含量相关联.
- 根据板块构造学来确定碳化合物源岩石形成的有利条件.
主要方法:
- 使用了最新的古世全球板块重建.
- 分析了以前发表的关于主要的古世碳化合物源岩石的数据.
- 全球板块漂移速度的比较变化与源岩量和TOC含量.
主要成果:
- 低板块漂移速度 (每年0.97-5.00厘米) 是碳化合物源岩石形成最有利的.
- 中等速度 (5.00-10.00厘米/年) 是适度有利的.
- 高速度 (10.00-12.76厘米/年) 是相对不利的.
- 低漂移速度与15-30°N/S古度的高板稳定性相结合,最有利于丰富的源岩形成.
结论:
- 板块漂移速度是控制碳化合物源岩石发展的关键因素.
- 低板块漂移速度和稳定的板块位置增强碳化合物源岩石的形成.
- 这些发现为全球碳化合物勘探和资源评估提供了新的视角.
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