文档介绍：秦皇岛石门寨地区综合地质实****报告记录————————————————————————————————作者:————————————————————————————————日期: 目录绪论···········································2第1节野外实****简介··························2第2节实****区地理概况························3地层与相分析···································5实****区地层概况························5地层与相分析··························5岩浆岩与变质岩································16岩浆岩·······························16华北地区火山活动史···················18变质岩·······························19构造特征······································20实****区概况···························20构造特征·····························20柳江盆地地质发展史····························26实****区概况···························26地质发展简史·························26特殊地质现象描述······························29结束语········································30第一章绪论第1节野外实****简介实****地点及地区河北省秦皇岛市抚宁县石门寨镇上庄坨村柳江地质实****基地。秦皇岛石门寨地质教学实****基地位于秦皇岛市北二十八公里,是国家地质公园——“河北秦皇岛柳江国家地质公园”。该区自然地理位于燕山山脉东端、南临华北平原和渤海湾,属河北省秦皇岛市抚宁县石门寨镇管辖。实****范围及路线实****范围:在石门寨地区的柳江盆地内,东西长约10km。南北长约20km。实****路线:路线1:实****区踏勘;路线2:张岩子—东部落Ar-Pt3地层观测;路线3:东部落—潮水峪寒武系地层观测;路线4:石门寨西门—瓦家山C-P地层、岩石路线;路线5-6:石门寨西门—瓦家山O-C-P地层剖面实测;路线7:亮甲山奥陶系地层剖面实测;路线8:黑山窑“柳江叠加褶皱”和T-J1地层观测路线;路线9:鸡冠山构造(含沉积构造)观测路线;路线10:吴庄褶皱—断层构造观测路线;路线11:义院口褶皱构造和火山岩观测路线;路线12:潮水峪—砂锅店断层、岩脉侵入期次、岩墙、岩溶观测路线;路线13:板厂峪火山岩类型、溶洞充填作用及古夷平面观测路线;路线14:山羊寨构造地貌观测路线;路线15:南戴河现代海洋作用观测路线;路线16:燕塞湖南—大石河大桥下—老龙头现代河流沉积作用和侵入岩观测路线。实****时间:7月12日-------8月1日完成工作量实测剖面图2幅柱状图1幅报告插图示意图8幅素描图21幅信手剖面图3幅报告附图5幅手标本41块实****报告1份第2节实****区地理概况地理位置秦皇岛市位于河北省的东北部,北纬39°24′~40°37′,东经118°33′~119°51′,东北接辽宁省葫芦岛市绥中、建昌两县和朝阳市的凌源市,西北临河北省承德市宽城满族自治县,西靠唐山市的滦县、迁安、迁西、滦南四县,南临渤海。东距沈阳404公里,西南距石家庄483公里,西距首都北京280公里,距天津220公里。图1-1石门寨地区交通位置图实****所在的石门寨地区,为一南北向延伸的低山丘陵区。北、西、东三面为陡峻的高山所包围。高山主要由上太古界混合花岗岩和燕山期花岗岩侵入体组成,低洼的丘陵和平原由古生界和中生界地层构成;而在地质构造上则形成一个比较宽缓的向斜,故名“柳江向斜”。前者是地貌形态,后者为地质构造概念。故又通称谓“柳江向斜盆地”。贯通盆地的大石河,是本区最主要的水系,它流向东南,在山海关以南流入渤海。盆地内最高的山峰为老君顶,。南部大石河河谷的南刁部落海拔70米左右。盆地中西部的火山岩分布区是本区山高坡陡的部分,一般都在海拔200~300米。二、气候实****区气候属暖温带半湿润季风型大陆性气候,但受海洋影响较大。冬季长,春、夏、秋季较短。℃,最冷为一月份,月平均气温-29℃,最热为七至八月份,℃。本区年降水重为400~l000毫米,多集中七、八月份,占年降水量的70%,山洪也主要集中在这个时期内。三、工农业简介本区工农业并重。农业主要种植玉米、小麦