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The deposits of the Oligocene Epoch. 渐新统渐新世的沉积物
Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation. 委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
In the Ostra Field, Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation. 委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
The Oligocene Sha-3 (3) submember in Machang region,Dongpu Depression is alarge progressive deltaic deposit. 马厂地区渐新统沙河街组沙三(3)亚段为大型推进式三角洲沉积。
In the Ostra Field, Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation . 委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
Sequence V is Miocene swamp variegated silt, mudstone interbedded by coaly shale and coal seam. The Oligocene middle grain silt probably deposited in the bottom. 层序V，为中新统沼泽相的杂色砂泥岩夹炭质页岩、煤层，往下可能还含有少量渐新统中细砂岩。
The first inversion structure was developed during the end of the Oligocene and the second during the end of the Miocene. 这两期反转构造形成断层型反转构造和褶皱型反转构造两类,它们的形成与北部湾盆地演化的区域应力性质及方向的调整有关。
In this article the research of pinaceous fossil cones from the Creaceous to the Oligocene in the Tertiary is reviewed and summarized systematically. 本文主要对早白垩世到老第三纪渐新世这段时间的松科化石球果的研究作了系统回顾和总结。
The post-oligocene formation of diapiric salt domes implies that the initial uplift of Tibet-Qinghai plateau in West Kunlun area predates the Oligocene. 渐新世形成的底劈盐丘构造可用来确定青藏高原北缘西昆仑地区最初隆升的时间，即不早于渐新世。
Huang, Frank F.-W. Liang, S.-C. and Juang, H.-J. (1998)Depositional model for the oligocene sandstone in the southwest Taiwan offshore. Petroleum Geology of Taiwan, 32, 69-86. 黄富文、梁守谦、庄汉珍(1998)台湾西南海域渐新统砂岩之沉积模式。台湾石油地质，第32号，第69-86页。
Based on the statistics of core analysis data, the Oligocene sediment is simplified as four formation components: terrigenous elastic minerals, carbonate, clay minerals, and porosity. 根据岩芯分析资料，将渐新统地层简化为陆源碎屑、碳酸盐、粘土矿物和孔隙四种组分。
The unconformity between the Middle Eocene Wenchang Formation and the Oligocene Enping Formation could be caused by the uplift before the continental separation and sea-floor spreading of South China Sea. 中始新统文昌组和渐新统恩平组之间的地层间断是南海海底扩张前的一次抬升运动造成的.
The Tertiary in the Kumkol basin,Xinjiang,may be divided into the Oligocene Huatiaoshan Formation,middle lower Miocene Hongshiliang Formation,middle Miocene Fengchenkou Formation and Pliocene Jiantuliang Formation. 新疆库木库里盆地第三系可划分为渐新统花条山组、中新统中下部红石梁组、中新统中部风尘口组及上新统碱土梁组。
The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
There are 26 letters in the English alphabet. 英语字母表中有26个字母。
Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。