| 安徽霍邱安阳山晚石炭世碳酸盐岩地层中奥陶纪牙形石和虫颚化石的发现 |
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| 引用本文： | 程成,李双应,稽在飞,王松,杨栋栋,张强.安徽霍邱安阳山晚石炭世碳酸盐岩地层中奥陶纪牙形石和虫颚化石的发现[J].安徽地质,2014(1):7-9,22. |
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| 作者姓名： | 程成 李双应 稽在飞 王松 杨栋栋 张强 |
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| 作者单位： | 合肥工业大学资源与环境工程学院;合肥工业大学分析测试中心; |
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| 基金项目： | 中国地质调查局项目(No.12120113094300);国家自然科学基金项目(40972082,41172097) |
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| 摘 要： | 最近的研究表明,安徽霍邱地区安阳山(白大山)剖面下部碳酸盐岩段属于晚石炭世,上部碎屑岩段属于青白口纪。我们进一步对剖面进行了微体古生物分析,在晚石炭世碳酸盐岩中发现了丰富的微体古生物化石,其中以牙形石和虫颚化石数量最多。经鉴定,有牙形石Belodina和虫颚化石Marlenites marginatus,Chairidogenys borealis,Cornugenys sp.,Porrhogrnys sp.,Channahania sp.,Paradrilonersgenys cherylae等,Belodina时代为晚奥陶世,虫颚化石的时代为奥陶纪。晚石炭世地层中存在奥陶纪化石,表明可能存在奥陶系的物源区,微体化石是通过剥蚀、搬运再沉积保存到晚石炭世碳酸盐岩中。显然,新发现的微体化石可能并不具有地层意义,但是具有古地理和古构造意义。
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| 关 键 词： | 微体化石 牙形石 虫颚 奥陶纪 安阳山 霍邱 |
DiSCovery of orDoviC iAn ConoDont AnD SColeCoDont foSSilS in lAter CArbonACeouS CArbonAte roCk StrAtA in AnyAnG Mt,huoQiu, Anhui |
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| ChenG Cheng,li Shuang-ying,Ji Zai-fei,wAnG Song,yAnG Dong-dong,ZhAnG Qiang.DiSCovery of orDoviC iAn ConoDont AnD SColeCoDont foSSilS in lAter CArbonACeouS CArbonAte roCk StrAtA in AnyAnG Mt,huoQiu, Anhui[J].Geology of Anhui,2014(1):7-9,22. |
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| Authors: | ChenG Cheng li Shuang-ying Ji Zai-fei wAnG Song yAnG Dong-dong ZhAnG Qiang |
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| Institution: | 1. School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, Anhui 230009, China; 2. Analysis and Testing Center of Hefei University of Technology, tIefei, Anhui 230009, China) |
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| Abstract: | A latest research indicated that carbonate rock member in the lower part of the Anyang Mt （Baida Mt） section, Huoqiu, Anhui belongs to late Carbonaceous epoch, clastic rock member in the upper part to Qingbaikouan period. Further micropaleonlogical analysis found abundant such fossils in the late carbonaceous carbonate rock, of which conodont and scolecodont fossils dominate in quantity. Identified conodont is Belodina, scolecodonts include Marlenites marginatus,Chairidogenys borealis,Cornugenys sp.,Porrhogrnys sp.,Channahania sp.,Paradrilonersgenys cherylae, etc. Belodina dated back to late Ordovician epoch and scolecodonts Ordovician period. Ordovician fossils occurring in later Carbonaceous epoch suggested that there may have been an Ordovician source of micro fossils, which were eroded, transported, re-deposited and preserved in late Carbonaceous carbonate rock. Obviously, this discovery may not be significant stratigraphically, but paleogeographically and paleotectonically. |
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| Keywords: | micro fossils conodont scolecodont Ordovician Anyang Mt Huoqiu |
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