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钙华非经典沉积的纳米生长过程与调控机制初探——以九寨沟—黄龙钙华形成为例
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引用本文:董发勤,郑飞,代群威,李琼芳,陈禹衡,刘明学,蒋忠诚,张强,李博文,Alper Baba,Andelka Plenkovic-Moraj.钙华非经典沉积的纳米生长过程与调控机制初探——以九寨沟—黄龙钙华形成为例[J].中国岩溶,2021,(1):55-67. DONG Faqin,ZHENG Fei,DAI Qunwei,LI Qiongfang,CHEN Yuheng,LIU Mingxue,JIANG Zhongcheng,ZHANG Qiang,LI Bowen,Alper Baba,Andelka Plenkovic-Moraj.Preliminary study on nanometer growth process and regulatory mechanism of travertine nonclassical deposition- A case study of travertine in Jiuzhaigou valley and Huanglong region[J].Carsologica Sinica,2021,(1):55-67.
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董发勤 西南科技大学固体废物处理与资源化教育部重点实验室/西南科技大学环境与资源学院 
郑飞 西南科技大学固体废物处理与资源化教育部重点实验室/西南科技大学环境与资源学院/西昌学院 
代群威 西南科技大学环境与资源学院 
李琼芳 西南科技大学生命科学与工程学院 
陈禹衡 西南科技大学固体废物处理与资源化教育部重点实验室/西南科技大学环境与资源学院 
刘明学 西南科技大学生命科学与工程学院 
蒋忠诚 中国地质科学院岩溶地质研究所 
张强 中国地质科学院岩溶地质研究所 
李博文 Department of Materials Science and Engineering Michigan Technological University 
Alper Baba Izmir Institute of Technology Engineering Faculty Department of International Water Resources 
Andelka Plenkovic-Moraj Department of Biology Faculty of Science University of Zagreb 
基金项目:国家自然科学基金项目(41831285,41877288);四川灾后重建先导科研项目第130-1-1
中文摘要:钙华是自然界重要的岩溶碳酸盐沉淀之一,其形成过程往往受到生命活动的影响,弄清钙华生物沉积作用有助于更好地理解钙华微岩相结构和地球化学特征的气候环境指示意义。本文以黄龙-九寨沟钙华形成为例,阐述黄龙-九寨沟现代钙华纳米结晶特征、纳米钙华的生长和集合体形态,分析模拟实验中生物有机质对钙华生长和形貌的调控原因,揭示了生物活动和代谢产物对纳米钙华成核、生长及钙华晶体形貌的调控两途径四阶段机制;为探究钙华成因、碳酸钙生长调控机制、钙华退化的因素及其保护和可持续利用钙华景观具有重要的科学价值。
中文关键词:纳米钙华  非典型沉积  代谢活动  晶型和形貌  调控机制
 
Preliminary study on nanometer growth process and regulatory mechanism of travertine nonclassical deposition- A case study of travertine in Jiuzhaigou valley and Huanglong region
Abstract:Travertine is one of the important karst carbonate precipitates in nature, and its formation process is often affected by life activities. Clarifying the role of travertine biodeposition can help to better understand the climatic and environmental implications of travertine petrographic and geochemical characteristics. Taking travertine in Jiuzhaigou and Huanglong region as example, the characteristics of modern travertine nanocrystalline, the growth and aggregate morphology of travertine in Huanglong and Jiuzhaigou are described. The reasons for the regulation of the growth and morphology of travertine by biological organic matter in simulated experiments was analyzed, and the two-way and four-stage mechanism of biological activity and metabolites regulating the nucleation, growth and crystal appearance of travertine crystals was revealed.This paper is of great scientific value to explore the cause of the formation of travertine, the regulation mechanism of the growth of calcium carbonate,the degradation factors of travertine, and the protection and sustainable utilization of the travertine landscape.
keywords:nano travertine, nonclassical deposition, metabolic activity, morphology and polymorphs, regulatory mechanism
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