六盘山国家公园候选区地质遗迹及其地学意义
李海晨 , 李江海 , 谢仲军 , 李润楠 , 颜瑞 , 杨昊坤
宁夏大学学报(自然科学版中英文) ›› 2026, Vol. 47 ›› Issue (2) : 168 -176.
六盘山国家公园候选区地质遗迹及其地学意义
Geological Relics and Their Geological Significance in the Candidate Area of Liupan Mountain National Park
六盘山位于宁夏南部的黄土高原地区,自三叠纪以来经历了复杂的构造演化及地表过程,是研究青藏高原隆升及其对周边地区影响的重要区域。基于已有研究成果和野外地质考察,依据DZ/T 0303—2017,对六盘山国家公园候选区的地质遗迹进行分类与筛选,共识别出31处地质遗迹点,包括地层剖面、构造剖面、重要化石产地、岩土体地貌、水体地貌、构造地貌和地质灾害遗迹7类。结果表明,六盘山国家公园候选区地质遗迹,从区域尺度上看,记录了青藏高原东北缘构造扩展的沉积-构造响应过程;从全球尺度上看,可与白垩纪温室期(如 OAE1)的陆相沉积响应、山前逆冲-走滑复合构造带及干旱-半干旱区红层丹霞地貌的演化过程进行对比。地层与构造剖面为大陆碰撞的应变分配过程提供了实例,化石与遗迹化石为白垩纪气候异常的陆相响应过程提供了证据,丹霞-峡谷-滑坡地貌组合反映了构造抬升与外营力作用的耦合机制。研究、保护和合理利用这些地质遗迹,可为六盘山国家公园的规划、保护和可持续发展,区域生态保护与经济协同发展提供重要支撑。
Liupan Mountain is located in the Loess Plateau area in the southern part of Ningxia and has undergone complex tectonic evolution and surface processes since the Triassic period. It is an important area for studying the uplift of the Tibetan Plateau and its impact on surrounding areas. Based on field geological surveys and research findings, and in accordance with DZ/T 0303-2017, a classification and screening of geological relics was conducted, identifying a total of 31 geological relic points. These encompass seven categories: stratigraphic profiles, structural profiles, fossil sites, geomorphology of rock and soil bodies, water body geomorphology, structural geomorphology, and geological disaster relics. The results demonstrate that the geological relics in the candidate area of Liupan Mountain National Park record the sedimentary-tectonic response process of the northeastern edge of the Tibetan Plateau’s tectonic expansion on a regional scale; on a global scale, they can be compared with terrestrial sedimentary responses during the Cretaceous greenhouse period (such as OAE1), the evolution of the frontal thrust-slip composite tectonic belt, and the red bed Danxia landforms in arid and semi-arid regions. The stratigraphic and structural profiles provide examples of strain distribution processes during continental collision, while fossils and fossil relics provide evidence for terrestrial responses to climatic anomalies during the Cretaceous period. The combination of Danxia-gorge-landslide geomorphology reflects the coupling mechanism of tectonic uplift and external forces. The study, protection, and rational utilization of these geological relics can provide important support for the planning, protection, and sustainable development of Liupan Mountain National Park, as well as for regional ecological protection and economic coordinated development.
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国家重点研发计划(2023YFC2906501)
林产工业规划设计院项目(HCZB-2024-(采)-014-2)
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