揭秘湖南万华岩溶洞“石蛋生笋”之谜
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摘要
湖南郴州万华岩溶洞是湘南地区最著名的旅游胜地之一,是仍在发育中的大型地下河溶洞系统。万华岩溶洞中"石蛋生笋"奇观更是世界上首次发现,具有不可估量的岩溶科研、旅游观光、洞穴探险价值,但其成因一直不被公众所熟知。本文从地质运动的角度,系统地分析了"石蛋生笋"的成因,其地质形成过程最可能是:岩浆侵入-风化侵蚀-流水搬运-碳酸钙沉积。
Wanhuayan cave in Chenzhou city of Hunan province is one of the most famous tourist attractions in southern Hunan province.It is still a large developing underground river cave system.Wanhuayan karst cave is the first place in the world to discover the "stone eggs give birth to stalagmites",which has inestimable value for karst scientific research,tourism and spelunking,but its cause has not been well known to the public.From the perspective of geology movements,this paper systematically analyzes the causes of the formation of"stone eggs give birth to stalagmites".The geological formation process is most likely magma intrusion-weathering and erosion-water transportation-calcium carbonate deposition.
Wanhuayan cave in Chenzhou city of Hunan province is one of the most famous tourist attractions in southern Hunan province.It is still a large developing underground river cave system.Wanhuayan karst cave is the first place in the world to discover the "stone eggs give birth to stalagmites",which has inestimable value for karst scientific research,tourism and spelunking,but its cause has not been well known to the public.From the perspective of geology movements,this paper systematically analyzes the causes of the formation of"stone eggs give birth to stalagmites".The geological formation process is most likely magma intrusion-weathering and erosion-water transportation-calcium carbonate deposition.
引文
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[3]姜光辉,郭芳,张美良,等.万华岩表层岩溶带岩溶动力系统的特点研究[J].中国岩溶,2002,21(3):173-177.JIANG Guanghui,GUO Fang,ZHANG Meiliang,et al.Character of karst dynamic system in Wanhuayan epi-karst zone[J].Carsologica Sinica,2002,21(3):173-177.
[4]李恩香,蒋忠诚,姜光辉,等.万华岩地下河系统[J].广西师范大学学报:自然科学版,2003,21(2):91-97.LI Enxiang,JIANG Zhongcheng,JIANG Guanghui,et al.The groundwater system of Wanhuayan cave[J].Journal of Guangxi Normal University:Natural Science Edition,2003,21(2):91-97.
[5]邓新平,袁瑞强,皮建高.湖南兜率岩溶洞特征及形成发育过程[J].中国岩溶,2018,37(3):462-467.DENG Xinping,YUAN Ruiqiang,PI Jiangao.Characteristics of the Doushuai karst cave in Hunan and its formation and development process[J].Carsologica Sinica,2018,37(3):462-467.
[6]张海伟,蔡演军,谭亮成.石笋矿物类型、成因及其对气候和环境的指示[J].中国岩溶,2010,29(3):222-228.ZHANG Haiwei,CAI Yanjun,TAN Liangcheng.Phase composition and formation of stalagmite minerals:indications of climate and environment[J].Carsologica Sinica,2010,29(3):222-228.
[7]周厚云,刘淑华,彭小桃,等.洞穴次生碳酸盐沉积稳定碳同位素研究[J].华南师范大学学报:自然科学版,2018,50(5):74-88.ZHOU Houyun,LIU Shuhua,PENG Xiaotao,et al.Speleothem stable carbon isotope and its application for paleocclimatic and paleoenvironmental reconstructions:a review[J].Journal of South China Normal University:Natural Science Edition,2018,50(5):74-88.
[8]李超,屈文俊,王登红,等.Os同位素在花岗岩物质来源示踪中的初步研究:以湖南骑田岭岩体为例[J].大地构造与成矿学,2012,36(3):357-362.LI Chao,QU Wenjun,WANG Denghong,et al.A premilinary study of Os isotope in tracing of sources for granitoids:a case study of the Qitianling pluton[J].Geotectonica et Metallogenia,2012,36(3):357-362.
[9]章邦桐,吴俊奇,凌洪飞,等.花岗岩浆侵位与结晶固化时差的研究与构造意义:以南岭骑田岭花岗岩基为例[J].高等地质学报,2010,16(1):103-118.ZHANG Bangtong,WU Junqi,LING Hongfei,et al.On the time elapsed from magma emplacement to crystallization-solidification of granites and its tectonic implication:taking the Qitianling granite batholith of Nanling range in south China as an example[J].Geological Journal of China Universities,2010,16(1):103-118.