| 芝罘群岩石地层划分及区域对比 |
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| 引用本文： | 杨国福,田华,杨夕良.芝罘群岩石地层划分及区域对比[J].山东国土资源,2001,17(1):12-18. |
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| 作者姓名： | 杨国福 田华 杨夕良 |
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| 作者单位： | 山东省第三地质矿产勘查院,山东,烟台,264000 |
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| 摘 要： | 芝罘群分布于烟台市区北部芝罘岛、崆峒岛、担子岛等岛屿上,自下而上划分为老爷山组、兵营组及东口组.东口组为新建岩石地层单位.该群岩石组合为白云母钾长片麻岩、含电气石钾长石英岩、钾长石英岩、镜铁矿钾长石英岩、石英岩、白云母石英片岩夹黑云片岩、透辉变粒岩及大理岩等.其原岩为富钾、铁、硼的长英质碎屑岩夹粘土岩及富镁碳酸盐岩.兵营组单颗粒锆石U-Pb年龄为2171Ma,其成岩时代属古元古代早期.芝罘群区域上可与辽东地区古元古代榆树砬子群对比.
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| 关 键 词： | 芝罘群 岩石地层单位 地层划分与对比 山东烟台 |
| 文章编号： | 1009-0258(2001)01-0012-07 |
| 修稿时间： | 2000年8月8日 |
Stratigraphic Classification and Contrast with Regional Strata in Zhifu Group |
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| YANG Guo-fu,TIAN Hua and YANG Xi-liang.Stratigraphic Classification and Contrast with Regional Strata in Zhifu Group[J].Land and Resources in SHANDONG Province,2001,17(1):12-18. |
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| Authors: | YANG Guo-fu TIAN Hua and YANG Xi-liang |
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| Abstract: | Zhifu group which distributes in Zhifu island, kongdong island and Danzi island in the north of Yantai city can be divided into Laoyeshan formation, Bingying formation and Chekou formation from bottom to top. The formations have conformable contact each other. Among them, Bingying formation is a newly established stratigraphic unit. Rock associations, sedimentary circles, metamorphism and deformed characteristics, and isotopic age result (U-Pb age of single zircon grain in Bingying formation is 2171Ma) of Zhifu group have been introduced in this paper. According to the information mentioned above, Zhifu group is similar to Yushulazi group in Liaoning area. |
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| Keywords: | Zhifu group rock strata unit stratigraphic classification and contrast Yantai city in Shandong province |
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