您要查找的是不是：
- Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous. 收藏矿物、古生物学、中泥盆纪、二叠纪到早期的侏罗纪和白恶纪。
- This area was in an arc and rear-arc basin on convergent plates in the Middle Devonian. 其岩石化学及地球化学显示岛弧火山岩特征。
- Few volcanic rocks were developed and a SEDEX-type Pb-Zn deposit was formed in Middle Devonian (Altay town Formation). 中泥盆世火山作用减弱,在阿勒泰镇组沉积地层中形成SEDEX型红墩铅锌矿床。
- There exist two main ore mineralization stages,i. e,Aifeir stage of Middle Devonian and Feilars stage of Late Devonian. 中泥盆世艾菲尔期和晚泥盆世弗拉斯期，为矿田的两个主要成矿期。
- Another sequence of Devonian source rock, especially in the Middle Devonian, was formed in the inter-platform basin. 研究区域的泥盆系，特别是中泥盆统，在台间盆地中发育优质烃源岩。
- The slope mudflow around the seat of Ningshaan County occurs on a steep slope of Middle Devonian strata. 宁陕县城周围坡面型泥石流发育于中泥盆统地层的陡坡上。
- The Banian-type antimony deposits occur as stratoid orebodies in interlayer-gliding fractures in the Middle Devonian Series. 其巴年式的锑矿呈层状产于中泥盆统碎屑岩与碳酸盐岩之间的层间滑动带中。
- Various fossils abound in most of the strata, especially abundant Early and Middle Devonian corals and brachiopods in the Lazhuglung Formation. 在拉竹龙组采获大量早中泥盆世珊瑚、腕足化石，且拉竹龙组不整合覆盖于奥陶系和志留系之上；
- The geochronologic unit is belonged to Early Age of Middle Devonian Epoch,and correspond to Eifelicus Stage-Jiweite Stage,and is belo... 由于该套地层在黄哈吐地区为首次发现,对大地构造及地层区划等基础地质的研究有着重要意义。
- Xiaogouli gold deoposit is quartz-vein type gold deposit.It is hosted in the clastic rock of Middle Devonian series in West Qinling area. 小沟里金矿床属石英脉型金矿,产于西秦岭泥盆系中统碎屑岩中,矿床规模已达中型。
- The studied region may be divided into platform system,slope system,shelf system and basin system. The shelf system was developed in the Early Devonian to early Middle Devonian. 研究区可划分出四种沉积体系,即台地体系、台坡体系、陆棚体系、台盆体系,其中陆棚体系主要发育于早泥盆世至中泥盆世早期;
- The geologic setting around belonging to the middle devonian shale and silty slate without cracks proves to be a good selection up to the qualification of municipal solid waste. 场地四周及低地均为中泥盆统泥（页）岩、泥质粉砂岩，没有断裂，符合卫生填埋场对地质条件的要求。
- The South Tianshan range formed epicontinental sea in the Middle Devonian, and in end of the Carboniferous orogen was formed under the strong compression. 自石炭纪末，南天山全面遭受挤压抬升形成复杂的造山带，二叠纪开始南天山进入大陆演化阶段。
- The new genus, together with a known genus Fe nestrapora (restricted to the late Early and Middle Devonian of North America and Transcaucasia), displays avicularia like structures (aviculomorphs). 新属和限于北美和中亚高加索地区早泥盆世晚期和中泥盆世的已知的窗孔苔虫 (Fenestrapora) ,都显示了似鸟头体的构造。
- Field observation and laboratoy st udy show the ferroan dolomitesilicilith which ouurred at the bottom of the Middle Devonian Xingho-ngpu fomation is formed in submarine environment of the active rift. 野外和室内研究表明,产于凤太地区中泥盘统星红铺组地层底部铁白云石硅质岩,形成于活动性断裂的海底环境。
- Abstract The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods. 云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积，地层中产有丰富的鱼类、植物和双壳类化石；
- The Mg-rich volcanic rock(pyroxene andesite) is also found in the Baitashan Formation of Middle Devonian series of the Saerbulake area, whixh is a typical boninite formed in the forearc setting. 沙尔布拉克中泥盆统北塔山组中也含有富镁火岩-辉石安山岩，它是典型的玻镁安山岩，其形成环境为前弧。
- The geochronologic unit is belonged to Early Age of Middle Devonian Epoch,and correspond to Eifelicus Stage-Jiweite Stage,and is belonged to Daminshan Formation of Devonian system. 时代属于中泥盆世早期,大体相当于艾菲尔阶-吉维特阶,应归属为大民山组。
- The South Qinling middle-late Palaeozoic sedimentary region is a pre--orogenic basin. The submarine exhalative events in the middle Devonian and the subsequent orogenic tectonic processes determinedthe primary mineralization types and their evolution. 南秦岭中晚古生界沉积区属造山前盆地，中泥盆世发生的海底喷流沉积事件及随后进入造山期的构造发展进程决定了本区成矿作用的基本类型及其演化。
- The present paper deals with the late Middle Devonian bryozoa collected from Chinchuhoushan,a small hill situated about 9 km north of the Heitai Railway Sta-tion of Mishan county,Kirin province. 正>一.;引言本文所描述的苔藓虫是1950年夏在吉林省密山县黑台车站北面约18里的珍珠后山采得;
