巴伦茨海和斯瓦尔巴德的蒂曼推力系统对使用古生物学约束来重建板块构造学的影响
1Earth and Planetary Sciences, McGill University, Montreal, Québec, H3A 0E8, Canada.
Open research Europe
|June 6, 2024
概括
斯瓦尔巴德在新新生代被附加到波罗的海,而不是在古老时代早期的劳伦西亚. 蒂曼的推力系统影响了古老环境和三生物的分布,作为动物壁垒.
科学领域:
- 地质地质地质地质地质地
- 古生物学的古生物学
- 构造学 构造学 构造学 构造学
背景情况:
- 斯瓦尔巴德早期的古老生态地位受到争议,一些证据表明它与劳伦西亚有关.
- 历史上,三石组合表明劳伦西亚-斯瓦尔巴德和波罗的海被雅佩图斯海洋分离.
- 最近的结构相关性表明,斯瓦尔巴德岛自新生态时期以来一直与波罗的海有关.
研究的目的:
- 为了使斯瓦尔巴德与劳伦西亚的接近与其早期与波罗的海的积累相协调.
- 调查蒂曼人的推力系统对古环境和动物分布的影响.
- 重新评估大陆分离的古生物学约束.
主要方法:
- 来自DISKOS数据库的地震反射数据的解释.
- 集成数据与附近的勘探井.
- 应用地震面分析和地震层级学原理对前喀里多尼亚岩石的应用.
主要成果:
- 斯瓦尔巴德在最新的新新生代早期与波罗的海的融入得到了支持.
- 蒂曼的推力系统影响了古老环境,并可能限制了劳伦西亚-斯瓦尔巴德和波罗的海之间的三动物混合.
- 巴伦茨海和斯瓦尔巴德的长长的地形高点是在新新生代晚期-古老时代早期被发现的.
结论:
- 必须仔细考虑古生物学数据,以及诸如推力系统之类的构造结构.
- 推力系统可以在单一构造板块内充当重要的动物壁垒.
- 古气候带也是理解大陆分离的关键因素.
关键词:
波罗的海地区 (Baltica Baltica)卡莱多尼亚的orogeny已经开始.坎布里亚时期的坎布里亚时期劳伦西亚 (Laurentia) 是一个新原生态时期的新生态时期.在奥尔多维纪 (Ordovician) 时期.斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德斯瓦尔巴德蒂曼尼亚人的原产地.气候带气候带是一个气候带.动物屏障 动物屏障野生动物的招募.推力 推力 推力一个三角形生物.更多相关视频
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