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���ʿ�ѧ  2018, Vol. 53 Issue (1): 133-145    DOI: 10.12017/dzkx.2017.008
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  2. �㽭��ѧ�����ѧѧԺ ���� 310027
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Significance and characteristics of paleotectonic migration in Bachu-Makit area of Tarim Basin
Wang Bin1    Wang Xiang1    Cheng Xiaogan2    Li Honghui3    Neng Yuan1    Lü Huixian1     Qu Yang1    Alimu. Kader4
  1. Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000
  2. School of Earth Sciences, Zhejiang University, Hangzhou, 310027
  3. PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083
  4. Petroleum Exploration and Development, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000
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Abstract��

The Bachu-Meigeti area in the Tarim Basin experienced multi-period tectonic movement. It is of great significance to reconstruct the tectonic evolution of the area and to guide the exploration of oil and gas, which depicts accurately the shape and migration characteristics of the paleotectonic. Combined with geological and geophysical studies, applying the thickness map method to reflect the palaeotectonic of the upper boundary of the Lower Cambrian in the Bachu-Meigeti area, and discuss its migration process. And the vertical tectonic variation intensity method is used to quantitatively calculate the tectonic activity degree of the study area. The results show that: 1�� In the west of the study area, there is a large-scale migration of paleotectonic, while the eastern part is relatively stable. 2�� There is relatively stable of tectonic activity during Caledonian-Early Himalayan period, and strong in Late Himalayan period. A multi-stage relatively inactive zone is developed along the Maketi slope. 3�� The Lower Cambrian dolomite in the eastern Maketi slope is characterized by relatively low activity intensity, and a higher structural position relative to the hydrocarbon generation depression, which is the favorable objective area for the migration and accumulation of oil and gas.

Key words�� Palaeotectonic migration   Tectonic activity intensity   Tectonic deformation intensity   Lower Cambrian   Bachu-Makit area   
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���� ���� ������ ���� ��Դ ������ ���� ����ľ�����¶�. 2018, ����ľ��ذͳ�—���������Ź���Ǩ��������������. ���ʿ�ѧ, 53(1): 133-145.
Wang Bin Wang Xiang Cheng Xiaogan Li Honghui Neng Yuan L�� Huixian Qu Yang Alimu. Kader. Significance and characteristics of paleotectonic migration in Bachu-Makit area of Tarim Basin[J]. Chinese Journal of Geology, 2018, 53(1): 133-145.
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[1] ������, �ǹ���, ������, ������, �ƺ�ƽ, ���軪, ���ұ�, ��С��, ��ΰ. �������غ�—��ƺɽ�̿󴲵���—����ѧ�������ؿ�����[J]. ���ʿ�ѧ, 2009, 44(1): 88-102.
[2] �, �׷���, ����, ���. ǭ����ɫ��ϵϡ��Ԫ�ص���ѧ��������������[J]. ���ʿ�ѧ, 2005, (1): 84-94.
[3] �ſ���, Ԭ����. �����˲�����ƺ�º���ͳ��Ӱ���ű��������������[J]. ���ʿ�ѧ, 1994, (3): 236-245.
 
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