Oligocene相关论文
精确的区域年代地层框架是探究地质历史时期气候变化与动物群演化事件的基础.过去5000万年中亚洲地区发生的最明显陆地哺乳动物群......
Petrography and geochemistry of Oligocene to lowerMiocene sandstones in the Baiyun Sag,Pearl River M
The Oligocene to lower Miocene sediments in the Baiyun sag may have more complex sources,and the potential source areas ......
Increased Magmatic Water Content-the Key to Porphyry Cu-Mo ± Au Formation in the Gangdese Belt, Tibe
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Microfacies Analysis and Paleoecology of the Oligocene Succession in a Central Tethyan Carbonate Pla
Two stratigraphic sections (Arjooieh and Firoozabad) of the Mymand anticline, located in the Interior Fars sub-basin of ......
East Asian monsoon intensification promoted weathering of the magnesium-rich southern China upper cr
The Oligocene-Miocene boundary Asian climatic reorganization linked to the northward migration of the East Asian monsoon......
Topset‑to‑forest rollover trajectories as reliable predictors of sediment‑volume partitioning into d
Topset-to-forest rollover trajectories and their relation to sediment-and sand-budget partitioning into deep-lake areas ......
Here we describe Huashancyprinus robustispinus,gen.et sp.nov,a fossil cyprinin fish from the Oligocene of Ningming Ba-si......
杨属是北半球温带森林生态系统中一个重要的乔木属.文中概述了青藏高原古近纪和新近纪的杨属化石记录,并根据最新的地层学和年代学......
In the present study,the coal-rock organic facies of Oligocene Yacheng Formation of the marginal basin in the South Chin......
Evolution of an Eocene-Oligocene Saline Lake Depositional System and Its Controlling Factors, Jiangh
The Upper Eocene–Lower Oligocene Qianjiang Formation of the Jianghan Basin in central China consists of a 4 700-m-thick......
Latitudinal trends in genus richness of vascular plants in the Eocene and Oligocene of North America
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The present paper reports two new species of Buxus from the Oligocene Ningming Formation of Guangxi, South China, on the......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Biostratigraphy of Asmari Formation in Ghare Agha seyed of Farsan region, Chaharmahale Bakhtiari Pro
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
主要研究安纳托利亚中部昌克勒-乔鲁姆盆地(Cankiri-Corum Basin)始新世含褐煤层中的孢粉与环境.在采尔特克组(Celtek Fm.)30块样......
Leg 184 of ODP recovered a record of deep- water sediments spanning the past 32.8 Ma from the South China Sea (SCS). The......
渤海湾盆地歧口凹陷古近系沙河衡组一段下亚段湖相白云岩主要为颗粒白云岩和泥晶白云岩两大类,常与泥质岩成薄互层或与其他碳酸盐岩......
西藏南部定日地区遮普惹山向斜核部近来发现一套非碳酸盐型海相沉积,由黄绿色页岩含砂岩,紫红色砂页岩组成,总厚约180m,产丰富的钙质超微化......
HydrocarbonMigrationandAccumulationinDongyingBasinLiChunguang(SeniorEngineer,GeologicalScientificResearchInstitute,ShengliPet.........
利用珠江口盆地珠一坳陷珠海组取心井、测井及地震资料,探讨了珠海组三角洲沉积的岩石相、沉积微相、沉积亚相特征及发育分布规律,......
通过详实的野外调查和室内研究,在西藏吉瓦地区新发现了砂岩型铜矿床,赋矿层位为渐新统日贡拉组,矿床类型为层控矿床。为探讨日贡拉组......
河北省蔚县甸子梁夷平面具有重大的科学价值,且其旅游开发潜力巨大。对其开发和保护的相应理念与措施作了介绍。......
前人认为Sunda盆地古近系TalangAkar组Zelda段主要为河流沉.本文通过对岩心的岩性序列与沉积构造、测井曲线形态组合与地震反射特征......
东濮地区晚始新世沙河段组四段上部至三段轮藻植物群生存于含钙量高的咸化型水体中,它们的横向分布反映了湖盆中部存在着一个NNE向的隆......
描述三合植物群24种(归17科22属), 其中17已知种,1新种(Zizyphus orbitofolia)和6未定种.此化石植物群包含蕨类植物1属1种,裸子植......
依据物性、铸体薄片、扫描电镜、流体包裹体、碳酸盐碳氧同位素以及压力等资料,分析东海西湖凹陷中北部渐新统花港组异常高孔带的......
Biostratigraphy of Asmari Formation in Ghare Agha seyed of Farsan region, Chaharmahale Bakhtiari Pro
The Asmari Formation consists of shallow marine sedimentary rocks deposited on ramp setting. Larger benthic foraminifera......
南海北部沉积物成分在渐新世末(23.8Ma)发生剧烈改变,出现地球化学成分上的突变.并在深海沉积中发生沉积间断及滑塌堆积。这些沉积事件......
冀东探区南堡凹陷北13井、北26井、北28井、高6井、高7井、高10井、高20井、高27井和高39井124个样品的孢粉资料显示南堡凹陷东营......
明光城北地区出露不整合于定远组之上的碎屑岩,通过ESR年龄测定,认为属于渐新世的沉积.建立明光组填补了该区渐新世沉积的空白.......
化石采自甘肃省兰州盆地咸水河组底部, 经研究认为有29种, 归属20属12科。它们是:樟科Lauraceae (Daphnogene), 木通科Lardizabalac......
现在的论文从 Guangxi 的渐新世 Ningming 形成报导 Buxus 的二新种,华南,根据几,压缩石块离开。Buxus ningmingensis sp。nov。被描......
研究区自北而南共发育8条东西或近东西走向的渐新世裂陷盆地,显示该时期具典型的盆岭构造格局.盆地代表性充填结构自北而南分别为......
斋桑盆地自晚白垩世以来即为淡水湖泊环境,其始新世至中新世湖相及湖边缘相沉积物产有丰富的轮藻化石.文中建立三个轮藻化石组合:(......
The existing stratigraphic framework of the Eocene-Miocene in the study area (sector 5) shows limited temporal stratigra......
The existing stratigraphic framework of the Eocene-Miocene in the study area (sector 5) shows limited temporal stratigra......
More than 200 upper and lower jaws of ochotonid were found in the Late Oligocene of thenorthern part of the Junggar Basi......
记述了产自广西南宁盆地渐新世早—中期的鲤科鲤亚科一新属种——伍氏南宁鲤(?Nanningocyprinus wui gen.et sp.nov)。化石材料包括一......
岩心观察表明,珠江口盆地文昌凹陷珠海组二段具有交错层理/斜层理含砾砂岩/细砂岩相、正递变层理含砾砂岩相、复合层理砂泥岩相、......
通过对查干布拉格组上部所产的哺乳动物群的分析和比较发现:已知的9属1种哺乳动物中有四属过去在其他地区人在始新世时出现;两属种比亚......
记述了一段属于Allaceropcf.Aturgaica幼年个体的下颌骨。化石采自甘肃兰州盆地渐新世地层中。Allacerops是亚洲一类较原始的犀。......
详细描述了采自新疆准噶尔盆地北缘铁尔斯哈巴合陡坎晚渐新世一刺猬的耳区岩骨结构。晚渐新世地层为该地区的新发现,描述的刺猬岩具......
描述了脑木根敖包顶部岩层中所产的啮齿类化石:阿尔泰查干鼠(Tsaganomys altaicus)和中间圆柱鼠(Cyclomylus intermedius).脑木根......
兰州盆地咸水河组下红泥岩共产有15属25种哺乳动物化石。位于下红泥岩中部的峡沟和上西沟等地产有11属20种化石(Amphechinus cf.a.rectus,A.cf.A.minimus,Amphechinus sp.,Soricidae indet.,Sinolagomys kansuensis,S.cf.S.major,Yindirtemys grangeri,Y.xiningensis,Y......
描述了产于党河下游地区的狍牛泉组下部地层中的叮当沟哺乳动物群.化石共计11属14种: Palaeoscaptor cf. P. acridens、 Palaeosca......
阿尔丁鼠(Ardynomys)是圆柱齿鼠科(cylindrodontids)中较原始的一类,主要分布于亚洲的晚始新世一早渐新世和北美的晚始新世,在亚洲主要发......
描述了2种巨犀化石:霍尔果斯准噶尔巨犀(Dzungariotherium orgosense)和牙沟副巨犀(新种)(Paraceratherium yagouense sp.nov.).新......
描述了产自甘肃省党河地区第三纪中期的跳鼠化石3属7种。其中5种(Parasmiathus asiae-centralis,P.tangingoli,P.parvulus,Heterosm......
辽宁沈北煤田位于沈阳市北郊30余km处,为第四纪冲积层广泛覆盖的平地,基岩出露极少.据辽宁省煤矿管理局地质勘探局的普查,煤田地层由老至新......