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西藏班公湖-怒江结合带木嘎岗日岩群时代上限的新证据——来自恐弄拉地区早白垩世早期孢粉化石的报道
引用本文:曾禹人,黄建国,马德胜,白培荣,符宏斌,樊洪富,郭海,黎文本.西藏班公湖-怒江结合带木嘎岗日岩群时代上限的新证据——来自恐弄拉地区早白垩世早期孢粉化石的报道[J].地质通报,2016,35(12):2027-2032.
作者姓名:曾禹人  黄建国  马德胜  白培荣  符宏斌  樊洪富  郭海  黎文本
作者单位:1. 中国地质大学(武汉)资源学院, 湖北武汉 430074;2. 贵州省地质调查院, 贵州贵阳 550018;3. 贵州大学资源与环境工程学院, 贵州贵阳 550005;4. 中国科学院南京地质古生物研究所, 江苏南京 210008
基金项目:中国地质调查局项目(编号:12120114062301、1212011121230)
摘    要:在班公湖-怒江结合带中段的恐弄拉地区木嘎岗日岩群其西弄岩组中发现早白垩世早期Dicheiropollis sp(.双手粉)和Cicatricosisporites sp(.无突肋纹孢)孢粉组合。明确了木嘎岗日岩群的沉积上限至少持续到早白垩世早期,为从生物年代学角度厘定木嘎岗日岩群提供了可靠的资料,也为今后进-步分析班公湖-怒江结合带中生代盆地演化提供了线索。

关 键 词:孢粉化石  早白垩世  木嘎岗日岩群  恐弄拉地区  西藏
收稿时间:2016/2/1 0:00:00
修稿时间:2016/6/8 0:00:00

The new evidence for the upper limit of Mugakangri group-complex from Bangong-Nujing junction zone, Tibet: Reports from early Early Cretaceous palynoflora in Kongnongla area, Bangor County, Tibet
ZENG Yuren,HUANG Jianguo,MA Desheng,BAI Peirong,FU Hongbin,FAN Hongfu,GUO Hai and LI Wenben.The new evidence for the upper limit of Mugakangri group-complex from Bangong-Nujing junction zone, Tibet: Reports from early Early Cretaceous palynoflora in Kongnongla area, Bangor County, Tibet[J].Geologcal Bulletin OF China,2016,35(12):2027-2032.
Authors:ZENG Yuren  HUANG Jianguo  MA Desheng  BAI Peirong  FU Hongbin  FAN Hongfu  GUO Hai and LI Wenben
Institution:1. Resources Institute of China University of Geosciences(Wuhan), Wuhan 430074, Hubei, China;2. Guizhou Geological Survey, Guiyang 550018, Guizhou, China;3. College of Resource and Environmental Engineering/Guiyang University Guiyang 550005, Guizhou, China;4. Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, Jiangsu, China
Abstract:Early Early Cretaceous palynoflora such as Dicheiropollis and Cicatricosisporites were found in Qixinong Formation of Mugakangri group-complex along the central segment of the Bangong-Nujiang junction zone, Tibet, and this discovery proves that the upper sedimentary limit of Mugakangri group-complex at least lasted until early Early Cretaceous, provides true and reliable paleontological data for determining Mugakangri group-complex in the light of biological chronology, and supplies clues for further analysis of Mesozoic basin evolution of the Bangong-Nujiang junction zone.
Keywords:palynoflora  Early Cretaceous  Mugakangri group-complex  Kongnongla area  Tibet
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