博湖坳陷侏罗系重矿物特征及物源探讨  

Heavy Mineral Features and Source of Sediments of Jurassic in Bohu Depression

作　　者：周建文[1] 宋丽红[1] 孙峥嵘[1] 陈磊[1] 高正明[1] 

机构地区：[1]河南石油勘探开发研究院,河南南阳473132

出　　处：《河南石油》2002年第1期20-22,共3页Henan Petroleum

摘　　要：通过对博湖坳陷侏罗系重矿物组合特征和稳定系数变化特征研究,划分了该地区的沉积区域,并恢复了各沉积分区的母岩性质和岩石类型,从而判断出各沉积分区的物源。认为原始盆地存在两大物源体系及相应的两大古水流体系并处于南北向扩张为主的状态中。Based on study of the features of heavy mineral assemblage and the variation characteristics of stability factor of Jurassic in Bohu depression,this area was di-vided into several sedimentary zones and the parent rock properties and the rock types in each sedimentary zone were recovered,thus the sources of sediment s of each sedimentary zone were determined.There existed two main sediment source systems and two correspondingpalaeo-current systems in the original basin and the o-riginal basin was in an extensional environment of north-south trend.

关 键 词：博湖坳陷 重矿物 重矿物组合 稳定系数 沉积分区 物源 

分 类 号：P571[天文地球—矿物学]