贵州纳雍地区龙潭组的海绿石特征及指相意义

The property of glauconite and its facies-indicating significance in Longtan formation Nayong district, Guizhou Province

摘要: 介绍了海绿石的层位、颜色、形态和化学成分等特征;分析其形成于受潮汐影响的分流河道和受潮汐影响的三角洲前缘相中;还讨论了该区海绿石的形成条件和指相意义。

Abstract: the paper describes the property of glauconite in Longtan formation, Nayong district,Guizhou province. It is found that glauconite forms mainly in tidally-influenced delta front facies and distributary channel in lower parts of tidally-influenced delta,Besides, the orign and facies-indicating significance are also discussed.