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Meng Zifang. Paleomagnetic Study of Upper Paleozoic Erathem Along the Southwestern Margin of Tarim Block, China[J]. Acta Sedimentologica Sinica, 1991, 9(4): 105-109.
Citation: Meng Zifang. Paleomagnetic Study of Upper Paleozoic Erathem Along the Southwestern Margin of Tarim Block, China[J]. Acta Sedimentologica Sinica, 1991, 9(4): 105-109.

Paleomagnetic Study of Upper Paleozoic Erathem Along the Southwestern Margin of Tarim Block, China

  • Received Date: 1990-11-16
  • Publish Date: 1991-12-10
  • Based on the paleomagnetic results obtained from Upper Paleozoic Erathem along the southwestern margin of the Tarim Block, this paper paleomagnetically discusses some fundamenlal geologic problems related to the area researched. The following conclusions were drawn from this study: 1) Artashi Area rapidly drifted northwards from Devonian to Carboniferous and researched mid-latitudinal area from a low-latitudinal area resulting an increase of about 16 in paleolatitude. 2) Duwa Area essentially remained relatively stable from Carboniferous to Permian and did not experience any horizontal motion evidently. 3) The Carboniferous System in Duwa Area is younger than that in Artashi Area. 4) There existed an open sea about 800km wide lying between Artashi Area and Duwa Area during carboniferous. 5) Duwa Area started moving northwards again in Permian Period. Tiekelike Uplift Zone began bending as an arc and got strengthened continuously in subsequent tectonic movements. This study further demonstrates paleomagntically that until late Permian the Tarim Block and the North China Block were still two independent tectonic units which were separated far away from each ather.
  • [1] (1) 王惠,1989,古生物学报,28. 402-414页

    (2) 白永虹等,1985,地震地质,7卷,71~80页

    (3)孟自芳等,1990,沉积学报,8卷3期.2-8顶

    (4) Li. Y. et al., 1988 Geology. V.16, p.275-278.

    (5) Sharps, R. et al., 1988, Earlh Planet. Sci. Latt., V.92(1988), p.275-291
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    Created with Highcharts 5.0.7Chart context menuAccess Area Distribution其他: 2.2 %其他: 2.2 %其他: 2.2 %其他: 2.2 %China: 0.4 %China: 0.4 %United States: 1.3 %United States: 1.3 %[]: 0.9 %[]: 0.9 %兰州: 0.9 %兰州: 0.9 %凉山: 0.4 %凉山: 0.4 %加来海峡省: 1.3 %加来海峡省: 1.3 %北京: 10.6 %北京: 10.6 %台州: 8.8 %台州: 8.8 %哥伦布: 0.4 %哥伦布: 0.4 %山景: 0.4 %山景: 0.4 %延安: 4.4 %延安: 4.4 %张家口: 4.0 %张家口: 4.0 %成都: 0.9 %成都: 0.9 %杭州: 5.3 %杭州: 5.3 %深圳: 0.4 %深圳: 0.4 %湖州: 4.0 %湖州: 4.0 %芒廷维尤: 7.1 %芒廷维尤: 7.1 %芝加哥: 0.9 %芝加哥: 0.9 %苏州: 0.9 %苏州: 0.9 %衢州: 4.4 %衢州: 4.4 %西宁: 35.8 %西宁: 35.8 %西安: 0.9 %西安: 0.9 %贵阳: 0.4 %贵阳: 0.4 %锦州: 0.4 %锦州: 0.4 %其他其他ChinaUnited States[]兰州凉山加来海峡省北京台州哥伦布山景延安张家口成都杭州深圳湖州芒廷维尤芝加哥苏州衢州西宁西安贵阳锦州
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  • Received:  1990-11-16
  • Published:  1991-12-10

Paleomagnetic Study of Upper Paleozoic Erathem Along the Southwestern Margin of Tarim Block, China

Abstract: Based on the paleomagnetic results obtained from Upper Paleozoic Erathem along the southwestern margin of the Tarim Block, this paper paleomagnetically discusses some fundamenlal geologic problems related to the area researched. The following conclusions were drawn from this study: 1) Artashi Area rapidly drifted northwards from Devonian to Carboniferous and researched mid-latitudinal area from a low-latitudinal area resulting an increase of about 16 in paleolatitude. 2) Duwa Area essentially remained relatively stable from Carboniferous to Permian and did not experience any horizontal motion evidently. 3) The Carboniferous System in Duwa Area is younger than that in Artashi Area. 4) There existed an open sea about 800km wide lying between Artashi Area and Duwa Area during carboniferous. 5) Duwa Area started moving northwards again in Permian Period. Tiekelike Uplift Zone began bending as an arc and got strengthened continuously in subsequent tectonic movements. This study further demonstrates paleomagntically that until late Permian the Tarim Block and the North China Block were still two independent tectonic units which were separated far away from each ather.

Meng Zifang. Paleomagnetic Study of Upper Paleozoic Erathem Along the Southwestern Margin of Tarim Block, China[J]. Acta Sedimentologica Sinica, 1991, 9(4): 105-109.
Citation: Meng Zifang. Paleomagnetic Study of Upper Paleozoic Erathem Along the Southwestern Margin of Tarim Block, China[J]. Acta Sedimentologica Sinica, 1991, 9(4): 105-109.
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