上扬子东南缘寒武系碳酸盐岩台缘滩的发现与油气地质意义——以贵州石阡—岑巩为例

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Abstract In the study area of Shiqian-Cengong, by using a set of methods including stratigraphic profile measuring, regional geological survey, and rock-mineral identification, we found the strata from late Qiandongian to Furongian of Cambrian were marked by a succession from oolite shoal carbonate rocks to algae carbonate rocks of platform margin. By means of stratigraphic division and correlation, the lithostratigraphic frameworks were established, the sedimentation paleogeographic patterns of platform, slope and basin were reproduced, and the evolution process of establishment, development and decline of carbonate platform started from late Qiandongian of Cambrian were studied. Through physical property analysis of carbonate rocks with a large number of intergranular pores, intercrystal pores and miarolitic cavities on the platform margin shoal, we found these carbonate rocks could be favorable oil and gas reservoir. These achievements would provide new information and clues for searching concealed oil and gas in platform margin shoal at Eastern Guizhou and even southern regions of China.

Key words： Cambrian carbonate sedimentary environment, platform margin shoal oil and gas reservoir Shiqian-Cengong of Guizhou province

Received: 15 December 2014

P618.130.2+1

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	Articles by authors
	HE Yong-zhong
	CHEN Hou-guo
	XIE Yuan
	ZHAO Lei
	ZHU Xun
	YI Cheng-xing
	AN Ya-yun

Cite this article:

HE Yong-zhong,CHEN Hou-guo,XIE Yuan, et al. Discovery of Cambrian Carbonate Platform Margin Shoal in the Southeastern Margin of Upper Yangtze Platform and Its Geological Significance—Example from Shiqian-Cengong Area of Guizhou Province[J]. , 2015, 2(5): 38-44.

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http://114.242.223.217/EN/ OR http://114.242.223.217/EN/Y2015/V2/I5/38

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