MesoProterozoic相关论文
Petrology, geochronology, and geophysical characterization of Mesoproterozoic rocks in central Illin
The Precambrian basement rocks of the East Granite-Rhyolite Province (EGRP) in central Illinois (mid-continent region of......
Discovery of branched tubular algae and microscopic tubes with annular-helical thickening from the M
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......
Discovery of double-peaking potassic volcanic rocks in Langshan Group of the Tanyaokou hydrothermal-
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......
Earthquake-induced soft-sediment deformation structures in the Mesoproterozoic Wumishan Formation, N
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......
New paleomagnetic results from the Yangzhuang Formation of the Jixian System, North China, and tecto
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 oldest known dinoflagellates: Morphological and molecular evidence from Mesoproterozoic rocks at
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......
Trace and rare earth elemental geochemistry of carbonate succession in the Middle Gaoyuzhuang Format
The concentrations of redox-sensitive trace elements,such as uranium(U),vanadium(V),molybdenum(Mo),cobalt(Co),chromium(C......
A New SHRIMP Age of the Xiamaling Formation in the North China Plate and Its Geological Significance
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......
Mesoproterozoic Continental Arc Type Granite in the Central Tianshan Mountains: Zircon SHRIMP U-Pb D
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......
Molar-Tooth Structure from the Mesoproterozoic Wumishan Formation in Lingyuan, Yanshan Region, North
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......
Molar-Tooth Structure from the Mesoproterozoic Wumishan Formation in Lingyuan, Yanshan Region, North
Although its origin has not yet reached a consensus so far,MTS (Molar-Tooth Structure)has been documented for more than ......
Ore-forming Response to Syndepositional Submarine Volcanism in Langshan-Zhaertai Mesoproterozoic SED
Ore-forming process of the Dongshengmiao, Huogeqi, Tanyaokou and Jiashengpan deposits in Langshan-Zhaertai Mesoproterozo......
Geochemical signatures of Mesoproterozoic siliciclastic rocks of the Kaimur Group of the Vindhyan Su
The Upper Kaimur Group of the Vindhyan Supergroup in Central India, primarily consists of three rock types-DhandraulSand......
The studies on stromatolites occurring in the Mesoproterozoic Tieling Formation, Zhoukoudian, Beijing indicate that the ......
Geological characteristics and tectonic significance of unconformities in Mesoproterozoic succession
Several stratigraphic breaks and unconformities exist in the Mesoproterozoic successions in the northern margin of the N......
New paleomagnetic results from the Yangzhuang Formation of the Jixian System, North China, and tecto
A paleomagnetic study was carried out on the Yangzhuang Formation (~1350 Ma) of the Jixian System in the North China Blo......
Discovery of double-peaking potassic volcanic rocks in Langshan Group of the Tanyaokou hydrothermal-
It is revealed that the protolith of gray-light brown potash-feldspar-leucogranulites and granulites in the 2nd formatio......
The oldest known dinoflagellates: Morphological and molecular evidence from Mesoproterozoic rocks at
Abundant and well-preserved organic-walled microfossils including acanthomorphic acritarchs have been found in Mesoprote......
为探讨华北地区中元古界洪水庄组黑色泥页岩物源和沉积环境,采集了燕辽地区清河剖面洪水庄组样品,进行元素地球化学测试和分析。结......
天津蓟县元古界剖面具有极高的综合研究价值,而高于庄组在该剖面中居于承上启下的位置。高于庄组在整个中、新元古界剖面中厚度较......
通过对野外剖面的观察和测量．根据剖面岩性及古生物等相标志，结合室内薄片资料的研究，认为燕山地区宣龙坳陷中元古界高于庄组一雾迷山......
燕辽裂陷槽中元古代沉积层序中出现多个沉积间断和不整合面。本次研究对其中的5个不整合面进行野外考察,分析其地质特征并进行地层......
山西南部永济地区位于东秦岭北坡，在该地区出露良好未变质的中一新元古代地层。在水幽剖面的中元古界汝阳群北大尖组中保存类型多样......
以叠层石作为翻天复地地层学研究的主要手段，并分析了一些新的同位素年龄和其他古生物学资料，对３个中新元古代地层问题进行了讨论。１）从......
千里山地区中元古代长城系黄旗口组碎屑沉积岩保存完好,是研究华北克拉通西部长城系物质来源和沉积时代的理想对象。本文报道了千......
江西婺源地区中元古代变质岩类型以浅变质的板岩、千枚岩、变余火山-碎屑岩及变火山熔岩和变质较深的构造片岩组成。根据岩石化学......
贵州梵净山区有保存完好、发育齐全的中元古代的地质记录,是扬子陆块晚前寒武地质研究的理想场所和重要窗口.现有地质和同位素年代......
文章论述了安徽歙县浅变质岩系微古植物化石的产出特点（计有27属40种）和它的时代意义，分析研究了西村组和昌溪组的优势属，分别为Leiomi......
在中国辽宁省朝阳市凤凰山中元古代海相地层中首次发现了食肉的低等无脊椎动物石质宏观实体化石.通过观察化石中动物的形态和显微......
在蓟县长城系高于庄组（1500-1400Ma）中部的泥质含灰质白云岩中发现可靠的宏观化石，代表分子包括Parachuaria，Parashouhsienia，Grypania......
海南岛地处华南陆块南缘,紧邻印支陆块,大地构造位置独特,其地质特征一直备受关注。厘定该地区中元古代岩石的成因对恢复华南中元......
微亮晶(MT)碳酸盐岩是发育在中、新元古代的特殊碳酸盐岩,全球分布广泛,MT构造由纯净、等粒的微亮晶方解石组成。天津蓟县中元古界......
根据河北平泉地区中元古代高于庄组和杨庄组中 21 件岩石样品分析结果,显示常量元素和微量元素的含量在纵向上的演变规律不明显,但......
豫西地区中元古界蓟县系分布较广泛，剖面完整，是华北地台蓟县系出露最好的地区之一。在研究和分析121个露头剖面的岩性、沉积构造及......
河北宽城崖门子剖面的高于庄组属于中元古界长城系，下伏长城系大红峪组，上覆中元古界蓟县系杨庄组，沉积年限200Ma（1800—1600Ma），共划分......
在河北平泉中元古代高于庄组中鉴别出一系列震积岩,包括直立板状裂隙、液化泥晶脉、震褶岩及震积砾屑灰岩等,这是目前在中国所发现......
在燕山地区中元古代常州沟组中发育有大量的潜穴化石,潜穴产于常州沟组中部的泥质粉砂岩中.潜穴呈个体较大的直管状,垂直层面保存.......
会理—东川地区是上扬子陆块出露中元古界地层最广泛的地区。以菜子园—麻塘东西向断裂带为界,之北为会理群,之南为汤丹群、东川群......
鄂尔多斯盆地及邻区中元古代整体处于地壳伸展的构造背景,沉积了巨厚的中元古界蓟县系海相地层。为落实该盆地西南缘蓟县系油气的......
对巴伦台地区星星峡岩群长英质片麻岩开展系统的岩相学观察和锆石U-Pb年龄及全岩地球化学分析。获得锆石206Pb/238U加权年龄为（1 58......
对巴音布鲁克地区星星峡岩群岩相学观察和锆石U-Pb年龄及全岩地球化学分析,获得锆石206Pb/238U加权年龄为（1 584±41）Ma,该套变质岩......
铁砂街铜矿位于钦杭结合带东段浙西地体南西部,是与海底火山热液喷发沉积作用有关的VMS型矿床。SHRIMP锆石U-Pb定年法测定赋矿地层......
晋北地区发育大规模的中元古代北北西向岩墙群,未变形和未变质,是华北克拉通前寒武纪构造演化研究的最显著标志.根据本区岩墙群的......
