江苏仪征捺山火山机构及玄武岩石柱林
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周晓丹[1] 仇晓燕[2] 邵家骥[1] 赵剑畏[1] 姜立勤[2] 张小平[1] 章其华[1] 周曙[1]
[1]江苏省地质调查研究院,江苏南京210018 [2]扬州市国土资源局,江苏扬州225009
摘 要:
江苏仪征捺山为一个典型的古火山口,由玄武质岩石组成的火山溢流相、爆发相、通道相等岩相在空间上呈环状分布,且均向内倾斜,构成一个上大下小、向北东倾斜的喇叭口。火山喷发时间在距今约1000万年前,属中新世晚期产物。尤其是玄武岩石柱林规模宏大,气势雄伟,千恣百态,其火山石柱林价值已不再沉寂于地学标尺上,而以一种奇致的新姿态将成为本地域旅游业的新亮点。[著者文摘]
文章出处:
《江苏地质》-2007年31卷3期 -212-217页
Jiangsu Geology
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1003-6474(2007)03-0212-06
[参考文献]
Volcanic Mechanism and Basalt Rock Forest in Nashan, Yizheng, Jiangsu
ZHOU Xiao-dan, QIU Xiao-yan, SHAO Jia-ji, ZHAO Jian-wei, JIANG Li-qin, ZHANG Xiao-ping, ZHANG Qi-hua, ZHOU Shu( 1. Geological Survey of Jiangsu Province, Nanjing 210018, China; 2. Yangzhou Bureau of Land and Resources, Yangzhou 225009 Jiangsu )
Abstract:
Nashan, a typical paleo crater, is composed of volcanic overflow facies, eruption facies, chunnel facies of basaltic rocks and ring distributed spatially, inclining entad, composing a bell-mouth inclined northeastward. The eruption time occurred 100 Ma. ago and belonging to a product of late Miocene epoch with the basaltic rock forest the largest in scale.[著者文摘]
Key words:
Paleo crater; Rock forest ; Nashan, Yizheng, Jiangsu
收稿日期: 2007-03-22

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