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- Kapeng syderolite deposit is large,occurred in purple clayey ferruginous mudstone and grey-green clayey shale of Lower Silurian series. 卡棚大型紫砂陶土矿主要赋存于志留系下统紫红色粘土质含铁泥岩和灰绿色粘土质页岩中,分上下2个含矿岩系,4个矿层。
- lower Silurian series 下志留统
- The Kepingtage Formation of Lower Silurian in the Central Tarim and peri-clinal area is one of the impor-tant target layers in the Tarim basin. 塔里木盆地塔中及其围斜区下志留统柯坪塔格组是重要的勘探目的层之一,长期以来,中石油及中石化将其划为下志留统塔塔埃尔塔格组。
- The Shiniulan limestone was formerlyconsidered to be the Middle Silurian series,corresponding to the Wenlockian ofEurope. 本文共描述35种,分属于11属,其中新种22个,新亚种1个。
- Triassic basin is the main oil and gas bearing basin in Algeria, with excellent geologic conditions for hydrocarbon accumulation.The main source rock is Lower Silurian shale. 摘要三叠盆地是阿尔及利亚的主要含油气盆地，油气成藏地质条件优越，主要烃源岩为下志留统页岩。
- The Longmaxi formation of Lower Silurian is ten metres in thickness,containing three graptolite zones:Glyptograptus persculptus,Parakidograptus acuminatus and Orthograptus vosiculosus. 下志留统龙马溪组厚10m;含Glyptograptus persculptus;Parakidograptus acuminatus及Orthograptus vosiculosus三个笔石带.
- The geological and geochemical study results indicate that the metallogenetic materials came from the hy-dromica mudstones and shales of the Hanjiadian Group of Lower Silurian System. 地质和地球化学研究结果认为,铝土矿的成矿物质来源于下志留统韩家店群的水云母泥、页岩。
- Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation. 通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石的研究,识别出8属8种。
- The Silurian in the eastern Tarim Basin is a set of marine clastic sediments and only the Lower Silurian is preserved now,which is distributed in an eastern-western long and narrow belt. 塔里木盆地东部的志留系为一套海相碎屑岩沉积,现今仅保存有下志留统,分布在铁南2井、维马1井以南、阿南1井以北的东西向狭长地带内。
- Upper Ordovician- Lower Silurian 上奥陶统一下志留统
- Sherman recommended that Clarke be disciplined, but higher-ups rejected the idea. 谢尔曼建议对克拉克进行纪律惩戒，但高层拒绝了这个意见。
- SOME LOWER SILURIAN GRAPTOLITES FROM ANJI,NORTHWESTERN ZHEJIANG(CHEKIANG) 浙江安吉下志留统中的几种笔石
- Unwaged members pay a lower entrance fee. 无固定收入的人入场费从优。
- GOLD MINERALIZED CHARACTERISTICS AND CONTROL FACTORS OF MIDDLE TO UPPER SILURIAN SERIES, THE MIDDLIE OF SOUTH QINLING MOUNTAINS 南秦岭中段中、上志留统金矿化特征及控制因素分析
- A man's voice is usually lower than a woman's. 男子的嗓音通常比女子的低。
- The little boy used to push out his lower lip. 那个小孩以前老要撅起下嘴唇。
- Tom was lying on the lower bunk. 汤姆躺在下铺。
- Any chance of a lower price from you? 你能不能要价低一点？
- Speak to her? I'd never lower myself. 跟她说话？我可不自贬人格。
- Don't lower yourself by asking him for help. 不要向他求助以免降低身分。
