渤海湾盆地北塘凹陷古近系沙河街组三段白云岩中方沸石的特征及成因*
林培贤1, 林春明1, 姚悦2, 王兵杰1, 李乐3, 张霞1, 张妮1,4

Characteristics and causes of analcime distributed in dolostone of the Member 3 of Paleogene Shahejie Formation in Beitang sag, Bohai Bay Basin
Lin Peixian1, Lin Chunming1, Yao Yue2, Wang Bingjie1, Li Le3, Zhang Xia1, Zhang Ni1,4
渤海湾盆地北塘凹陷沙河街组三段白云岩中方沸石的典型特征(a—微粒方沸石层(黄色箭头所指)与白云岩层(红色箭头所指)呈薄互层,T12井,3135.22,m,(-);b—方沸石(黄色箭头所指)呈似结核状、絮状均匀分布在白云岩中,T12C井,3149.43,m,(-);c—溶孔充填方沸石(黄色虚线所指),水平纹理泥质白云岩,T39-3井,3828.58,m;d—与a同视域,T12井,3135.22,m,(+);e—与b同视域,T12C井,3149.43,m,(+);f—方沸石晶体(黄色箭头所指),T12C井,3158.78,m;g—泥质泥晶白云岩,方沸石部分充填裂缝(黄色箭头所指),T12C井,3126.54,m,(-);h—孔隙中的沥青质(黄色箭头所指)与方沸石(红色箭头所指),T12C井,3133.03,m,(-);i—裂缝充填方沸石(黄色箭头所指),T12C井,3141.23,m;j—与g同视域,T12C井,3126.54,m,(+);k—与h同视域,T12C井,3133.03,m,(+);l—裂缝边缘见方沸石(黄色箭头所指)与白云石 (红色箭头所指),T39-3井,3831.12,m,电子探针背散射)