河南濮阳梨园岩盐矿成矿地质条件及盐湖盆地充填演化特征
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摘要
河南省濮阳县梨园岩盐矿区位于东濮凹陷构造单元前梨园沉积中心。在前人研究的基础上,通过地震剖面对比、10 122 m钻孔施工确定了区内普遍发育沙一盐。将古近系沙河街组盐岩划分为两大沉积旋回,沙一盐的沉积特征、成矿条件丰富了盐湖盆地的充填演化模式。根据沙一盐垂向与横向上盐岩—膏盐岩—含膏泥岩—泥砂岩的沉积序列特点以及沉积古环境、成盐机理,综合分析认为梨园盐岩矿属于浅水蒸发成因。
Liyuan Rock Salt Mine in Puyang County,Henan Province is located in Qianliyuan deposition center of tectonic unit of Dongpu Sag. Based on the achievements of the predecessors,the development of Es1-salt in the area is determined through seismic section comparison and 10 122 m borehole construction. The salt rocks of the Shahejie Formation of Paleogene can be divided into two major sedimentary cycles. The filling and evolution model of salt lake basin is enriched by the sedimentary characteristics and conditions of Es1-salt deposit. According to the sedimentary sequence characteristics of salt rock-paste salt rock-paste mudstone-soil sandstone in vertical and lateral direction of Es1-salt and the characteristics of paleo-environment and salt-forming mechanism of Es1-salt deposit,the study results show that the genesis of Liyuan Rock Salt Depoist belongs to shallow water evaporation genetic deposit.
Liyuan Rock Salt Mine in Puyang County,Henan Province is located in Qianliyuan deposition center of tectonic unit of Dongpu Sag. Based on the achievements of the predecessors,the development of Es1-salt in the area is determined through seismic section comparison and 10 122 m borehole construction. The salt rocks of the Shahejie Formation of Paleogene can be divided into two major sedimentary cycles. The filling and evolution model of salt lake basin is enriched by the sedimentary characteristics and conditions of Es1-salt deposit. According to the sedimentary sequence characteristics of salt rock-paste salt rock-paste mudstone-soil sandstone in vertical and lateral direction of Es1-salt and the characteristics of paleo-environment and salt-forming mechanism of Es1-salt deposit,the study results show that the genesis of Liyuan Rock Salt Depoist belongs to shallow water evaporation genetic deposit.
引文
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[12]周新科,许化政.东濮凹陷地质特征研究[J].石油学报,2007,28(5):20-26.
[13]苏惠,许化政,张金川,等.东濮凹陷沙三段盐岩成因[J].石油勘探与开发,2006,33(5):600-605.
[14]纪友亮,冯建辉,王声明,等.东濮凹陷下第三系沙三段盐岩和膏盐岩的成因[J].沉积学报,2005,23(2):225-231.
[2]宋克金,李万忠,宋玮,等.濮阳县梨园岩盐矿地质特征及找矿方向[J].能源与环境,2013(3):104-106.
[3]许书堂.东濮凹陷岩性油气藏分布规律及目标预测[D].北京:中国地质大学(北京),2006.
[4]王志明,许永仁.河南省构造体系图说明书(1∶500 000)[R].郑州:河南省地质局地质科学研究所,1980.
[5]袁见齐,高建华.中国新生代盐盆地的构造控制[J].地球科学,1987(4):3-13.
[6]林潜龙.河南省古板块构造概述[J].河南地质,1989(4):21-27.
[7]张克鑫,漆家福,赵衍彬,等.新生代东濮凹陷构造特征及其演化[J].新疆石油地质,2007,28(6):714-717.
[8]张方亮,董芯芩,鲍园.东濮凹陷沙河街组盐岩分布规律及成因分析[J].辽宁工程技术大学学报(自然科学版),2016(12):1411-1417.
[9]黄建军,纪友亮,王改卫,等.东濮凹陷古近系含盐地层层序特征及成因分析[J].石油与天然气能源,2007,28(4):479-484.
[10]高渐珍,薛国刚,徐田武,等.东濮凹陷沙河街期盐湖盆地充填演化模式[J].断块油气田,2012,19(5):550-553.
[11]胥菊珍,蒋飞虎,张孝义.河南东濮凹陷古近系沙河街组盐岩沉积特征及成因[J].古地理学报,2003,5(2):34-42.
[12]周新科,许化政.东濮凹陷地质特征研究[J].石油学报,2007,28(5):20-26.
[13]苏惠,许化政,张金川,等.东濮凹陷沙三段盐岩成因[J].石油勘探与开发,2006,33(5):600-605.
[14]纪友亮,冯建辉,王声明,等.东濮凹陷下第三系沙三段盐岩和膏盐岩的成因[J].沉积学报,2005,23(2):225-231.