| 李紫烨,刘晓雨,方学志,郝晓圆,宋凯,孔源.赤城县梁家沟铅锌银多金属矿床流体包裹体特征及其意义[J].地质找矿论丛,2014,29(3):387-391 |
| 赤城县梁家沟铅锌银多金属矿床流体包裹体特征及其意义 |
| Characteristic and implication of fluid inclusion from Liangjiagou Pb-Zn-Ag deposit in Chicheng county |
| 投稿时间：2013-04-08 修订日期：2013-07-05 |
| DOI：10.6053/j.issn.1001-1412.2014.03.012 |
| 中文关键词: 梁家沟铅锌银矿床 流体包裹体 河北省 |
| 英文关键词:Liangjiagou Pb-Zn-Ag deposits fluid inclusion Hebei province |
| 基金项目:中国地质调查局地质大调查项目（编号：1212011220492）和河北省国土资源厅项目（编号：2013045650）和石家庄经济学院学生科技基金项目（编号：KAG201301）联合资助。 |
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| 中文摘要: |
| 文章运用激光拉曼光谱和显微测温等方法，对赤城县梁家沟铅锌银多金属矿床矿石中的石英流体包裹体进行均一温度、盐度的测试分析。结果表明，矿物中的流体包裹体以气液2相为主，气相成分主要是CO2，液相成分主要是H2O和烃类液体；包裹体的均一温度为80.0~160.0℃，盐度w（NaCl）=2%~12%，说明矿床形成条件为低温低盐度，且富含烃类物质。结合矿床地质特征、矿床的构造位置、产出地层和该矿床中矿（岩）石的常量元素、微量元素和稀土元素的数据研究结果，初步厘定梁家沟铅锌银矿床属于密西西比河谷型（MVT）矿床。 |
| 英文摘要: |
| Microthermometry and Laser Raman spectroscopy were used to measure homogenization temperature and salinity of fluid inclusion in quartz from Liangjiagou Pb-Zn-Ag deposit. The results show that the inclusion is dominated liquid and gas facies. The gas facies is mainly composed of CO2 and the liquid facies H2O and hydrocarbons. Homogenization temperatures of the inclusions range from 80.0 to 160.0 and the salinity 2%~12% NaCl equivalent indicating that the ore fluid is characterized by low-moderate temperature, low salinity and rich in the organic hydrocarbon. According to characteristics of the deposit geology, tectonic position of the deposit, strata occur in the deposit and major and trace elements and REE the deposit is primarily defined as Mississippi Valley Type deposit. |
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