| Correlation of Tectono-Stratigraphic Units in Northern Thailand with Those of Western Yunnan (China) |
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| 作者姓名： | Chongpan Chonglakmani School of Geotechnology Suranaree University of Technology Nakhon Ratchasima ThailandFeng Qinglai Faculty of Earth Sciences China University of Geosciences Wuhan Dieter Meischner Goettingen Center of Geosciences |
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| 作者单位： | Chongpan Chonglakmani School of Geotechnology，Suranaree University of Technology，Nakhon Ratchasima 30000，ThailandFeng Qinglai Faculty of Earth Sciences，China University of Geosciences，Wuhan 430074Dieter Meischner Goettingen Center of Geosciences |
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| 基金项目： | theNationalNaturalScienceFoundationofChina (No .49772 12 2 ),theBureauofGeologyandMineralResourcesofYunnan,andtheFederalInstituteofGeosciencesandNaturalResources(BGR)ofGermany |
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| 摘 要： | Ｔｈｅｃｏｒｒｅｌａｔｉｏｎｏｆｔｅｃｔｏｎｏ ｓｔｒａｔｉｇｒａｐｈｉｃｕｎｉｔｓｏｆＮｏｒｔｈｅｒｎＴｈａｉｌａｎｄｗｉｔｈｔｈｏｓｅｏｆＷｅｓｔｅｒｎＹｕｎｎａｎ (Ｃｈｉｎａ)ｉｓｓｔｉｌｌｌｉｔｔｌｅｕｎｄｅｒｓｔｏｏｄ ,ｐａｒｔｌｙｂｅｃａｕｓｅｏｆｔｈｅ ｐａｕｃｉｔｙｏｆｇｅｏｌｏｇｉｃａｌｄａｔａｆｒｏｍｔｈｅＵｎｉｏｎｏｆＭｙａｎｍａｒａｎｄｔｈｅＬａｏｓ,ａｎｄｐａｒｔｌｙｄｕｅｔｏｔｈｅｃｏｎｆｌｉｃｔｉｎｇｇｅｏｄｙｎａｍｉｃｃｏｎｃｅｐｔｓａｄｏｐｔｅｄｂｙｖａｒｉｏｕｓａ…
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Correlation of Tectono-Stratigraphic Units in Northern Thailand with Those of Western Yunnan (China) |
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| Chongpan Chonglakmani School of Geotechnology,Suranaree University of Technology,Nakhon Ratchasima ,ThailandFeng Qinglai Faculty of Earth Sciences,China University of Geosciences,Wuhan Dieter Meischner Goettingen Center of Geosciences.Correlation of Tectono-Stratigraphic Units in Northern Thailand with Those of Western Yunnan (China)[J].Journal of China University of Geosciences,2001,12(3). |
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| Authors: | Feng Qinglai Dieter Meischner Ingavat-Helmcke Rucha Helmcke Dietrich Chongpan Chonglakmani |
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| Abstract: | A tentative correlation scheme for the tectono-stratigraphic units of Northern Thailand and those of Western Yunnsn (China) is proposed. We point out that a correlation between the Changning-Menglian belt in Western Yunnan and the Nan-Uttaradit zone in Northern Thailand (or and a "cryptic suture" in the Chiang Rai-Chiang Mai region) is unlikely, for it would demand a "suture" which cuts across a zone with high-grade metamorphics and granite intrusions (Doi lnthanon-Lincang unit).Therefore, the northern continuation of the Lampang region is situated in the Simao region of Yunnan,as indicated by a very similar development during Permian and Triassic (Lampang-Yunxian unit). The Nan-Uttaradit zone is considered to be the easternmost part of this unit, and its northern continuation should be traceable via Luang Prabang in Laos into the southeastern parts of the Simao basin. Here,however, outcrops of this unit have not yet been found. The same is the case with the Phetchabun unit which follows to the east. Both units are probably hidden under a thick cover of Mesozoic red beds. The whole region was characterized by a highly mobile tectonic development with alternating phases of compressional and extensional deformation. |
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| Keywords: | correlation tectono stratigraphic compressional and extensional deformation |
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