四川广元志留纪晚期车家坝组中线形植物的发现及其意义DISCOVERY OF THE NEMATOPHYTE FOSSILS FROM THE LATE SILURIAN CHEJIABA FORMATION,GUANGYUAN,SICHUAN,SOUTH CHINA,AND THEIR STRATIGRAPHICAL SIGNIFICANCE
王怿,唐鹏,张小乐,刘建波,张雨晨,燕夔,王光旭,黄冰,詹仁斌
摘要(Abstract):
四川广元地区志留纪晚期车家坝组以碎屑岩沉积为主,产出牙形刺、腕足类、几丁虫、三缝孢、隐孢子、植物类表皮等化石,具有可靠地质时代证据;对该组的进一步研究,为扬子区志留纪晚期地层划分和对比研究提供了标杆。首次报道了车家坝组下部发现的线形植物化石,确定该植物代表的时代为志留纪晚期。根据扬子区多个产地的志留纪晚期线形植物和虫管遗迹化石,结合岩性变化,认为:在扬子区,野外确定志留纪晚期地层的化石识别标志有2个,即大量虫管遗迹化石和线形植物化石。
关键词(KeyWords): 生物地层;线形植物化石;地层划分和对比;车家坝组;志留纪晚期;广元;四川
基金项目(Foundation): 国家自然科学基金委(No.41530103,41221001,41290260);; 中国科学院B类先导培育项目(XDPB 05)资助
作者(Author): 王怿,唐鹏,张小乐,刘建波,张雨晨,燕夔,王光旭,黄冰,詹仁斌
DOI: 10.19839/j.cnki.dcxzz.2017.04.002
参考文献(References):
- 陈旭,戎嘉余,伍鸿基,邓占球,王成源,徐均涛,丘金玉,耿良玉,陈挺恩,胡兆珣,王尚启,李军.1991.川陕边境广元宁强间的志留系.地层学杂志,15(1):1-25.
- 金淳泰,万正权,陈继荣.1997.上扬子地台西北部志留系研究新进展.特提斯地质,21:143-181.
- 金淳泰,万正权,叶少华,陈继荣,钱泳蓁,易庸恩.1992.四川广元、陕西宁强地区志留系.成都:成都科技大学出版社.1-97.
- 林宝玉,苏养正,朱秀芳,戎嘉余.1998.中国地层典志留系.北京:地质出版社.1-104.
- 马会珍,王雪华.2014.黔东北志留纪晚期小溪组沉积环境研究。地球科学进展,29(7):859-864.
- 唐鹏,黄冰,王成源,徐洪河,王怿.2010.四川广元志留系Ludlow统的再研究兼论车家坝组的含义.地层学杂志,34(3):241-253.
- 万正权,金淳泰,陈继荣,钱泳蓁,叶少华.1991.四川广元地区晚志留世地层的发现及其意义.地层学杂志,15(1):53-55.
- 王怿,朱怀诚,李军.2004.四川广元晚志留世植物碎片.微体古生物学报,21(1):25-31.
- 王怿,戎嘉余,徐洪河,王成源,王根贤.2010.湖南张家界地区志留纪晚期地层新见兼论小溪组的时代.地层学杂志,34(2):113-126.
- 王怿,张小乐,徐洪河,蒋青,唐鹏.2011.重庆秀山志留系小溪组的发现与迴星哨组的厘定.地层学杂志,35(2):113-121.
- 俞昌民,林尧坤,章森桂,陈挺恩,朱兆玲.1988.宁强组时代的再认识.地层学杂志,12(3):210-215.
- 赵文金,朱敏,刘升,潘照辉,贾连涛.2016.湖南澧县山门水库周边志留纪含鱼地层新知.地层学杂志,40(4):349-358.
- Dawson J W.1857.Remarks on a specimen of fossil wood from the Devonian rocks,(GaspéSandstones)of Gaspé,Canada East Proc Amer Assoc Adv Sci.2:174-176.
- Dawson J W.1859.On the fossil plants from the Devonian rocks of Canada.Quart J Geol Sco London,15:477-488.
- Edwards D.1982.Fragmentary non-vascular plant microfossils from the late Silurian of Wales.Botanical Journal of the Linnean Society,84:223-256.
- Huber F M.2001.Rotted wood-alga fungus:the history and life of Prototaxites Dawson 1859.Review of Palaeobotany and Palynology,116:123-159.
- Rong Jia-yu&Chen Xu.2003.Silurian biostratigraphy of China//Zhang Wen-tang et al.eds.Biostratigraphy of China.Beijing:Science Press.173-236.
- Rong Jia-yu,Boucot A J,Su Yang-zheng&Strusz D L.1995.Biogeographical analysis of Late Silurian brachiopod faunas,chiefly from Asia and Australia.Lethaia,28:39-60.
- Rong Jia-yu,Chen Xu,Su Yang-zheng,Ni Yu-nan,Zhan Ren-bin,
- Chen Ting-en,Fu Li-pu,Li Rong-yu&Fan Juan-xuan.2003.Silurian paleogeography of China//Landing E&Johnson M Eeds.Silurian lands and seas-paleogeography out of Laurentia.New York State Museum Bulletin,493:243-298.
- Walliser O H.1964.Conodonten des Silurs.Abhandlungen des Hessischen Landesamtes fur Bodenforschung zu Wiesbaden,41:1-106.
- Wang Yi,Zhu Huai-cheng&Li Jun.2005.Late Silurian plant microfossil assemblage from Guangyuan,Sichuan,China.Review of Palaeobotany and Palynology,133:153-168.