峨眉山大火成岩省形成后的海平面变化及沉积响应
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摘要
峨眉山大火成岩省(ELIP)位于扬子板块西缘,是我国被国际学术界认可的大火成岩省,受到国内外学者的广泛关注。对峨眉山玄武岩喷发后的地表沉积响应研究表明,峨眉山大火成岩省断裂带对研究区沉积特征具有显著的控制作用。同时,晚二叠世早期的海平面变化显示为海侵,表明峨眉山玄武岩喷发后有热回沉作用的发生,这一结论为峨眉山大火成岩省的研究提供了重要信息。
Emeishan Large Igneous Province( ELIP) is in the W margin of Yangzi Plate,which has been approved in the international academia and paid wide attention to in China and abroad. The study on the surface sedimentation response after the eruption of Emeishan basalt shows that the fault zone of ELIP has controlled the sedimentation feature clear in the study area. Moreover,the sea level variation in early time of Late P shows the ingression,which means there is the thermal re-subsidence after the eruption of Emeishan basalt. This conclusion provides the important information for the study on ELIP.
Emeishan Large Igneous Province( ELIP) is in the W margin of Yangzi Plate,which has been approved in the international academia and paid wide attention to in China and abroad. The study on the surface sedimentation response after the eruption of Emeishan basalt shows that the fault zone of ELIP has controlled the sedimentation feature clear in the study area. Moreover,the sea level variation in early time of Late P shows the ingression,which means there is the thermal re-subsidence after the eruption of Emeishan basalt. This conclusion provides the important information for the study on ELIP.
引文
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[22]谢晓东.贵州织金上二叠统海绿石的初步研究[J].川煤地勘,1991,(9):60-62.
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[25]吴钦元.云南省镇雄县马河矿区上二叠统龙潭组聚煤环境分析[J].科学技术与工程,2010,10(10):2424-2428.
[26]王立亭,罗晋辉,王常微,等.贵州西部晚二叠世近海煤田地质特征及聚煤规律[J].贵州地质,1993,10(4):291-300.
[27]邵龙义,高彩霞,张超,等.西南地区晚二叠世层序-古地理及聚煤特征[J].沉积学报,2013,31(5):856-866.
[2]Ernst R E,Buchan K L,Campbell Ian H.Frontiers in large igneous province research[J].Lithos,2005,79(3-4):271-297.
[3]Bryan S E,Ernst R E.Revised definition of Large Igneous Provinces(LIPs)[J].Earth-Science Reviews,2008,86(1-4):175-202.
[4]Rainbird R H.The Sedimentary Record of Mantle Plume Uplift Preceding Eruption of the Neoproterozoic Natkusiak Flood Basalt[J].The Journal of Geology,1993,101(3):305-318.
[5]何斌,徐义刚,肖龙,等.峨眉山地幔柱上升的沉积响应及其地质意义[J].地质论评,2006,52(1):30-37.
[6]徐义刚,何斌,黄小龙,等.地幔柱大辩论及如何验证地幔柱假说[J].地学前缘,2007,14(2):1-9.
[7]张云湘,骆耀南,杨崇喜,等.攀西裂谷[M].北京:地质出版社,1988,1-327.
[8]徐义刚,何斌,罗震宇,等.我国大火成岩省和地幔柱研究进展与展望[J].矿物岩石地球化学通报,2013,32(1):25-39.
[9]吴鹏,刘少峰,窦国兴.滇东地区峨眉山地幔柱活动的沉积响应[J].岩石学报,2014,30(6):1793-1803.
[10]四川省地质矿产局.四川省区域地质志[Z].1991.
[11]何斌,徐义刚,肖龙,等.峨眉山大火成岩省的形成机制及空间展布:来自沉积地层学的新证据[J].地质学报,2003,77(2):194-202.
[12]Ali J R,Fitton J G,Herzberg C.Emeishan large igneous province(SW China)and the mantle-plume up-doming hypothesis[J].Journal of the Geological Society,2010,167(5):953-959.
[13]金振奎,冯增昭.滇东—川西下二叠统白云岩的形成机理——玄武岩淋滤白云化[J].沉积学报,1999,17(3):383-389.
[14]云南省地质局区域地质调查大队.1∶20万东川幅(G-48-14)区域地质调查报告[R].1980.
[15]周义平,任友谅.滇东上二叠统宣威组煤层中某些夹矸(Tonteins)的成因及其地质意义[J].云南地质,1983,2(1):38-46+92-98.
[16]冯增昭,金振奎,杨玉卿,等.滇黔桂地区二叠纪岩相古地理[M].北京:地质出版社,1994,1-146.
[17]He B,Xu Y G,Wang Y M,et al.Sedimentation and Lithofacies Paleogeography in Southwestern China Before and After the Emeishan Flood Volcanism:New Insights into Surface Response to Mantle Plume Activity[J].The Journal of Geology,2006,114(1):117~132.
[18]贵州省地质局108地质队.1∶20万水城幅(G-48-15)区域地质调查报告[R].1973.
[19]四川省地质局207队.四川省乐(山)—凉(山)地区晚二叠世宣威组地层总结报告[R].1977.
[20]Berra F,Zanchi A,Mattei M,et al.Late Cretaceous transgression on a Cimmerian high(Neka Valley,Eastern Alborz,Iran):A geodynamic event recorded by glauconitic sands[J].Sedimentary Geology,2007,199(3-4):189-204.
[21]李响,蔡元峰,胡修棉,等.藏西南札达白垩纪Albian期海绿石的矿物学特征及地质意义[J].地质论评,2011,57(1):63-72.
[22]谢晓东.贵州织金上二叠统海绿石的初步研究[J].川煤地勘,1991,(9):60-62.
[24]殷鸿福,童金南,丁梅华,等.扬子区晚二叠世-中三叠世海平面变化[J].地球科学-中国地质大学学报,1994,19(5):627-632.
[25]吴钦元.云南省镇雄县马河矿区上二叠统龙潭组聚煤环境分析[J].科学技术与工程,2010,10(10):2424-2428.
[26]王立亭,罗晋辉,王常微,等.贵州西部晚二叠世近海煤田地质特征及聚煤规律[J].贵州地质,1993,10(4):291-300.
[27]邵龙义,高彩霞,张超,等.西南地区晚二叠世层序-古地理及聚煤特征[J].沉积学报,2013,31(5):856-866.
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