| 杨士望.论胶东半岛西北部胶东群地层、金的矿源层和金矿床的层控性质(续)[J].地质找矿论丛,1986,(3):39-49 |
| 论胶东半岛西北部胶东群地层、金的矿源层和金矿床的层控性质(续) |
| A DISCUSSION ON THE JIAODONG GROUP STRATA, THE SOURCE-BED OF GOLD AND THE STRATABOUND FEATURES OF GOLD ORE DEPOSITS IN NORTHWEST PART OF JIAODONG PENINSULA |
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| DOI：10.6053/j.issn.1001-1412.1986.3. 004 |
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| 中文摘要: |
| 胶东群的地质时代,各岩组时序及基底构造问题。 |
| 英文摘要: |
| Abundant gold ores in the northwest part of Jiaodong Peninsula occur in "crust-derived" granites of the Jiaodong Group strata of the late Archean, which is formed by metasomatism.Through the study on the metamorphic formation, original rock-formation, gold-bearing abundance and isotope chronology of the Jiaodong Group strata, the auther has made the first try to determine the succession and time limit of the metamorphic strata, and got the recognition that the Jiaodong Group strata should be divided into five formations, the previous argument about "the existance of Qixia anticlinorium structure" thus denied.Ac cording to the Precambrian strata, the gold-bearing abundance of.the "crust-derived" granite, the distribution regularity of the gold ore deposits and the characteristics of the stable isotope of S, Pb, O, e source-bed of gold is determined, the stratabound features for gold ore deposits also demonstrated. |
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