青岛即墨温泉盆地热水沉积指示物及其标识性意义

Indicators of Hydrothermal Sedimentation in Jimo Hot Spring Basin in Qingdao and Its Indicative Significance

经野外取样和XRD测试技术,在即墨温泉盆地发现硅质沉淀物、盐华、石膏、自然硫等温泉热水沉积指示物。根据热水沉积指示物的空间分布和含量的变化,阐述温泉热水沉积指示物的标识性意义:(1)热水沉积指示物是划分第四纪沉积物层系的依据;(2)是温泉地下热储温度的指示剂;(3)依据热水沉积指示物百分含量的空间变化,可圈定温泉地热中心,指导地热资源开发;(4)是寻找地下盲温泉和古地热水活动的标志;(5)温泉热水沉积模式对现代海底热水沉积作用、成矿作用环境的模拟研究具有重要参考作用。

Based on the XRD data of the field samples, the following hydrothermal sedimentation indicators are discovered： silicious sediment, rock salt, gypsum and natural sulphur. From the spatial distribution and the variations in the contents of the indicators, the indicative signficance of the indicators in geothermal sedimentation id found to be as follows： （1） The indications are the basis of identitying the Quaternary sediment. （2） They are the indicators of the temperature of geothermal reservairs. （3） The spatial variations of the contents of the indicators can be utilized as a guide in locating geoghermal centers and the exploitation of geothermal resources. （4） They serve as signs for searching blind underground hot springs and studying paleogeothermal activities. （5） The geothermal sedimentaton of the hot springs is of great value for the study of contemporary sea bottom thermal water sedimentation and the simulation of mineralization environments.