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郭晶,朱学强,任天龙,戴广凯.山东栖霞香夼地区多金属硫化物矿床外围隐爆——侵入角砾岩的发现及意义[J].山东国土资源,2019,35(1):
山东栖霞香夼地区多金属硫化物矿床外围隐爆——侵入角砾岩的发现及意义
Discovery and Significance of Cryptoexplosive Intrusive Breccia in Xiangkuang Polymetallic Sulfide Deposit in Qixia Area of Shandong Province
  
DOI:10.12128/j.issn.1672-6979.2019.01.004
中文关键词:  多金属硫化物矿床  隐爆侵入角砾岩  花岗闪长斑岩  香夼  山东栖霞
英文关键词:Polymetallic sulfide deposit  cryptoexplosive intrusive breccia  granodiorite porphyry  Xiangkuang area  Qixia city in Shandong province
基金项目:
作者单位
郭晶 山东省地质调查院 
朱学强 山东省地质调查院 
任天龙 山东省地质调查院 
戴广凯 山东省地质调查院 
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中文摘要:
      山东胶东香夼多金属硫化物矿床尽管开采多年,资源规模仍有增长的空间。前人对矿床开展了大量研究,但很少有人提及隐爆角砾岩。该次工作在香夼多金属硫化物矿床外围蒙家一带新发现隐爆-侵入角砾岩,从产状、岩石学等方面进行了研究,认为其与构造角砾岩存在明显区别,结合香夼花岗闪长斑岩的岩石学、岩石地球化学特征,论述了在该地区具有形成隐爆角砾岩及隐伏斑岩型矿床的条件,并采用激电联合剖面进行了验证。综合分析认为,香夼矿区及外围隐爆-侵入角砾岩的发现,可以帮助寻找隐爆中心,丰富找矿模式,探寻斑岩型隐伏矿体。
英文摘要:
      Xiangkuang polymetallic sulfide deposit in Jiaodong peninsula is a skarn porphyry type composite deposit. There is still room for growth in the scale of resources. A lot of research have been carried out in this deposit, but cryptoexplosive breccia has been mentioned fewly. Cryptoexplosive intrusive breccia has been newly discovered in the surrounding area of Xiangkuang polymetallic sulphide deposit in Mengjia area. Through study on occurrence and petrology, it is regarded that this deposit has obvious diffenence with tectonic breccia. Combining with the petrology and rock geochemistry of granodiorite porphyry in Xiangkuang area, the forming conditions of cryptoexplosive breccia and concealed porphyry type deposit have been discussed. It is verified by polarizaton joint section. Through comprehensive analysis, it is regarded that the discovery of cryptoexplosive intrusive breccia can help to seek concealed porphyry type deposit, enrich prospecting model, and search for concealed porphyry type deposit.
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