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| 黑龙江鸡东金场沟铜钼矿含矿岩体的主量元素特征及其构造环境 | |
| 引用本文： | 陈雪,王建新,张遵忠,刘荣芳. 黑龙江鸡东金场沟铜钼矿含矿岩体的主量元素特征及其构造环境[J]. 世界地质, 2010, 29(1): 51-55. DOI: 10.3969/j.issn.1004-5589.2010.01.007 |
| 作者姓名： | 陈雪 王建新 张遵忠 刘荣芳 |
| 作者单位： | 1. 江苏省有色金属华东地质勘查局,南京,210007;吉林大学,地球科学学院,长春,130026 2. 吉林大学,地球科学学院,长春,130026 3. 江苏省有色金属华东地质勘查局,南京,210007 |
| 摘 要： | 黑龙江鸡东金场沟矿区岩浆岩主要为花岗闪长斑岩, 岩石SiO2含量为62.60% ～64.18% , 全碱 (Na2O + K2O) 含量为6.57% ～7.45% , K2O >Na2O; MAL I指数为4.48～6.68, ASI指数(铝饱和指数) 为1.44～1.79 > 1.1, 富磷( > 0.2% ) , 属镁质、碱性、(强) 过铝质花岗岩, 且岩浆分异程度较高(D I = 71.71～76.92) 。该区的花岗闪长斑岩形成于碰撞后－造山晚期的构造环境, 岩浆源区的物质可能主要来源于地壳物质, 源岩可能是砂屑岩。 |
| 关 键 词： | 金场沟 花岗闪长斑岩 构造环境 黑龙江 |
Major element features of ore-bearing rock in Jinchanggou copper-molybdenum deposit of Jidong,Heilongjiang and its tectonic setting |
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| CHEN Xue,WANG Jian-xin,ZHANG Zun-zhong,LIU Rong-fang. Major element features of ore-bearing rock in Jinchanggou copper-molybdenum deposit of Jidong,Heilongjiang and its tectonic setting[J]. Global Geology, 2010, 29(1): 51-55. DOI: 10.3969/j.issn.1004-5589.2010.01.007 | |
| Authors: | CHEN Xue WANG Jian-xin ZHANG Zun-zhong LIU Rong-fang |
| Affiliation: | 1. Eastern China Geological &; Mining Organization for Jiangsu Non-ferrors Metals, Nanjing 210007, China; 2. College of Earth Sciences, Jilin University, Changchun 130026, China |
| Abstract: | The main magmatic rocks in Jinchanggou are granodiorite porphyry in category.The contents of the rocks are 62.60%~64.18% in SiO2,6.57%~7.45% in Na2O+K2O,with K2O> Na2O,4.48~6.68 in the modified calc-alkali index(MALI),1.44~1.79>1.1 for alumina saturation index(ASI),which shows P-riched(>0.2%) and belongs to magnesian,alkalin and peraluminium granite,and having a high differentiation degree(DI=71.71~76.92).The granodiorite porphyry formed in the tectonic setting of collision or late orogeny,and its source ma... |
| Keywords: | Jinchanggou granodiorite porphyry tectonic setting Heilongjiang |
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