山东省胶莱盆地东北部下白垩统莱阳组震积岩特征及地质意义*
周勇1, 纪友亮1, 万璐2, 潘春孚1

Characteristics and geologic significance of seismitesin the Lower Cretaceous Laiyang Formation in northeastern Jiaolai Basin in Shandong Province
Zhou Yong1, Ji Youliang1, Wan Lu2, Pan Chunfu1
胶莱盆地东北部下白垩统莱阳组岩心中的球—枕状构造(A—球—枕状构造,球—枕体仍与砂岩层相连,姜浅4井,井深61.57 m;B—灰色泥岩中的灰白色粉砂岩球—枕体,球—枕体形状不规则,姜浅4井,井深786.76 m;C—球—枕体,现象同B,姜浅4井,井深938.43 m;D—灰色泥岩中的灰白色粉砂岩球—枕体,球—枕体内部纹层变形,莱孔1井,井深104.6 m;E—断层附近的球—枕体,形态各异,大小不一,数量多,表明断裂活动引发地震,形成球—枕状构造,姜浅3井,井深793.84 m;岩心直径均为10 cm)