鲁西石炭纪事件沉积岩石学特征  

CHARACTERISTICS OF SEDIMENTRARY PETROGRAPHY IN CARBONIFEROUS EVENTS OF WESTERN SHANDONG

作　　者：韩作振[1] 余继峰[1] 王秀英 孙电 刘芳 

机构地区：[1]山东科技大学地球科学系,泰安271019

出　　处：《煤田地质与勘探》2000年第4期1-3,共3页Coal Geology & Exploration

基　　金：国家自然科学基金!资助项目 ( No.4 9872 0 57)

摘　　要：对鲁西地区石炭二叠纪煤系火山碎屑岩特征进行了分析 ,结果表明 ,火山碎屑物质以晶屑最为常见 ,常见的火山碎屑岩有凝灰岩、沉凝灰岩、凝灰质灰岩、凝灰质砂岩、凝灰质粉砂岩。还对在太原组煤层中发现的宇宙尘形貌及化学组成进行了研究 ,经与国内外相关资料对比 ,认为研究区宇宙尘为 Si质玻璃球。提出了研究区石炭纪曾发生过火山地质事件、天体地质事件。The characteristics of efflata in the Permo carboniferous coal bearing measures of the western Shandong are analyzed.The results show that pyroclasts are dominated by crystal clasts.The main volcanic arenites include tuff,sedimentary tuff,tuffaceous lithoclast,tuffaceous sandstone and tuffaceous siltage.The shapes and chemical components of cosmic dust in the coal layers of Taiyuan group are studied.Compared with the related materials nationlly and internationally,the cosmic dust in the study area can be considered as siliceous glass bead.In addition,this article puts forward that volcanic and asrtogeological events happeded in the study area in Carboniferous period.

关 键 词：火山碎屑岩 火山事件 碳纪 沉积 岩石学 

分 类 号：P588.211[天文地球—岩石学]