东营凹陷西部沙四上亚段湖相碳酸盐岩薄片特征 a—枝管藻格架白云岩,正交光,滨246井,1530.6 m;b—枝管藻格架白云岩,单偏光,滨80井,1451.4 m;c—粘结白云岩,见波状叠层构造,单偏光,滨706井,1470.15m;d—亮晶藻屑球粒云岩与粘结白云岩,正交光,滨246井,1530.6 m;e—亮晶生屑藻屑云岩,单偏光,滨197井,1535.53m;f—亮晶鲕粒灰岩,正交光,滨182井,1640.55m;g—灰泥质生屑灰岩,滨197井,1535.5 m;h—砂屑质灰泥灰岩,滨432c井,1575.8 m;i—泥质灰泥灰岩,正交光,滨414井,1663.1 m |