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- Majiagou formation was good reservoir in clino and turned to be capping bed in depression. 斜坡区是最有利储集体发育区，洼地区则形成封堵盖层。
- The reservoir type is Ordovician weathering crust in the Lower Paleozoic,and the main gas layer is in the fifth member of Majiagou Formation. 储集层类型为下古生界奥陶系古风化壳型,其主力含气层为马家沟组第五段。
- Laiwu hydrothermal metasomatic iron deposit is located at contact zone of Ordovician carbonate rock(Majiagou Formation) and Late Yanshanian diorite or nearby. 莱芜接触交代-热液铁矿赋存于奥陶系马家沟组碳酸盐岩与燕山晚期闪长岩的接触带及其附近。
- Laiwu hydrothermal metasomatic iron deposit is located at contact zone of Ordovician carbon-ate rock (Majiagou Formation) and Late Yanshanian diorite or nearby. 摘要莱芜接触交代-热液铁矿赋存于奥陶系马家沟组碳酸盐岩与燕山晚期闪长岩的接触带及其附近。
- The sedimentary model has been built in Majiagou Formation and the lithofacies paleogeography map has been plotted for each Member in Majiagou Formation. 并建立了马家沟组的沉积模式，绘制了马家沟组各个岩性段的岩相古地理平面图。
- Sedimentary environment was broad and flat near shore littoral erosion plain,the ore is located above Majiagou Formation,Middle Ordovician Series,bedding is not well developed. 铝土矿与其围岩有较大的电性差异,特别是铝土矿与其标志层奥陶系灰岩侵蚀面的电阻率值相差较大,达数千欧姆米乃至数万欧姆米。
- The carbonate rocks in the Lower Ordovician Majiagou Formation of Ordos Basin are widely distributed , but their organic matter content is low and maturation high. 鄂尔多斯盆地下奥陶统马家沟组碳酸盐岩分布广，但有机质丰度较低，且成熟度高。
- The aquifer occurs in the thin-bedded limestone of the firstMember of Fengfeng Formation and the third Member of Upper Majiagou Formation of Mid-dle Ordovician and the burial depth of water level is 84.49 m. 取水层为中奥陶统峰峰组一段及上马家沟组三段薄层灰岩，水位埋深84.;49m。
- Research on the Characteristics of Carbonate Deposits of Majiagou Formation in Huaibei Area 淮北矿区马家沟组碳酸盐矿床特征研究
- The book has been styled in a modern format. 该书已按照现代版式制作。
- low-permeability carbonate gas reservoirs of Majiagou Formation, Lower Ordovician; 下奥陶统马家沟组为低渗透率碳酸盐岩风化壳气藏;
- Solution Spot Genetic Mechanism of Majiagou Formation in Ordovician of Ordos Basin 鄂尔多斯盆地奥陶系马家沟组溶斑形成机理
- Keywords Shaan Gan Ning basin;Majiagou Formation;origin of dolostone;reservoiring performance; 陕甘宁盆地;马家沟组;白云岩成因;储集性;
- Keywords carbonate source rock;hydrocarbon expulsion;microfissure;Majiagou Formation;Ordos basin; 碳酸盐烃源岩;排烃模型;微裂缝;马家沟组;鄂尔多斯盆地;
- The Developmental Characters of Sedimentary Environments and Lithofacies of Middle Ordovician Majiagou Formation in Ordos Basin 鄂尔多斯盆地中奥陶统马家沟组沉积环境与岩相发育特征
- Sequence stratigrapgy and its bearings on the gas accumulation in the Lower Ordovician Majiagou Formation, Shaanxi-Gansu-Ningxia Basin 陕甘宁盆地下奥陶统马家沟组层序地层与天然气的关系
- Keywords northern part of Eerduosi Basin;Majiagou formation of Lower Ordovician series;capil-lary pressure parameter;Q-medel cluster analysis; 鄂尔多斯盆地北部;奥陶系下统马家沟组;毛管压力特征参数;Q型聚类法;
- Her front teeth were irregular in formation. 她的门牙排列不整齐。
- They marched in parade formation. 他们以列队的阵式行进。
