| 豫西济源地区中三叠世油房庄组遗迹组构及其环境解释 |
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| 引用本文： | 齐永安,胡斌,张国成,龚一鸣.豫西济源地区中三叠世油房庄组遗迹组构及其环境解释[J].沉积学报,2007,25(3):372-379. |
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| 作者姓名： | 齐永安 胡斌 张国成 龚一鸣 |
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| 作者单位： | 河南理工大学资源环境学院 河南焦作 454003 |
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| 基金项目： | 国家自然科学基金
,
科技部专项基金
,
河南省高校杰出科研创新人才工程项目 |
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| 摘 要： | 河南济源地区中三叠世油房庄组发育了一套滨浅湖相的砂泥岩沉积，在该组上段紫红色与黄绿色砂泥岩沉积中发现了大量的遗迹化石。其中高能砂质滨湖沉积中识别出6种遗迹组构:斑状生物扰动组构、Skolithos isp.-Planolites montanus组构、Skolithos verticalis组构、Planolites beverleyensis组构、Skolithos isp.组构和Palaeophycus annulatus 遗迹组构，它们可归入陆相Skolithos遗迹相；极浅湖泥岩夹粉砂岩沉积中识别出3种遗迹组构: Skolithos linearis遗迹组构、Taenidium barretti遗迹组构和植物根迹组构，它们可归入陆相Scoyenia遗迹相。
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| 关 键 词： | 滨浅湖相沉积 遗迹组构 济源地区 油房庄组 |
| 文章编号： | 1000-0550（2007）03-0372-08 |
| 收稿时间： | 2006-08-23 |
| 修稿时间： | 2006-08-23 |
Ichnofabrics and Their Environmental Interpretation from Middle Triassic Youfangzhuang Formation, Jiyuan Region, Western Henan Province |
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| QI Yong-an,HU Bin,ZHANG Guo-cheng,GONG Yi-ming.Ichnofabrics and Their Environmental Interpretation from Middle Triassic Youfangzhuang Formation, Jiyuan Region, Western Henan Province[J].Acta Sedimentologica Sinica,2007,25(3):372-379. |
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| Authors: | QI Yong-an HU Bin ZHANG Guo-cheng GONG Yi-ming |
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| Institution: | Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo, Henan 454003 |
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| Abstract: | Abundant trace fossils are preserved in the alternation of purple and yellow greenish sandstones and mudstones which are formed in littoral and very shallow lake environments in the lower part of Middle Triassic Youfangzhuang Formation, Jiyuan Region, western Henan Province. Six ichnofabrics are found in high energy zone of lake margin sandstones, they include: Porphyritic bioturbation ichnofabric, Skolithos isp. Planolites montanus ichnofabric,Skolithos verticalis ichnofabric, Planolites beverleyensis ichnofabric,Skolithos isp. Ichnofabric and Palaeophycus annulatus ichnofabric，and can be assigned to Skolithos ichnofacies；three ichnofabrics of Skolithos linearis ichnofabric、Taenidium barrette ichnofabric and rizoliths ichnofabric are recognized from middle and lower energy zone of very shallow lacustrine siltstones and mudstones, they belong to Scoyenia ichnofacies. |
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| Keywords: | littoral and very shallow sediments ichnofabric Jiyuan Region Youfangzhuang Formation |
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