A study of anomalous ore-forming elements based on geochemical sampling points: A case study of the Dabaoshan copper-polymetallic orefield in Guangdong Province
YAN Ji-Kuan, YU Qiang-Zhong
Geophysical Prospecting Party of Guangdong Province, Guangzhou 510800, China
The determination of the ore-forming elements is one of the main problems of geochemical anomaly evaluation. Based on previous studies, the authors propose a new method of ore-forming elements determination based on geochemical sampling points, in which anomaly mineralization and anomaly contrast are linked to the concentration coefficient. The lower the concentration coefficient of the element, the higher the anomaly mineralization and the lower the anomaly contrast to ore-forming element. The composition of first ore-forming elements based on the sampling point within a certain range reflects the mineral type. The method was successfully applied to the ore-forming elements analysis of the structure-rock sample from the Dabaoshan copper-lead-zinc-tungsten-molybdenum polymetallic orefield in Guangdong Province. It has important practical value for a detailed analysis of the main ore-forming elements of geochemical anomalies and their distribution, and is suitable for a comparative study of mineralization capabilities of elements with different concentration coefficients.
严己宽, 玉强忠. 基于采样点的化探异常成矿元素研究——以广东大宝山铜多金属矿田为例[J]. 物探与化探, 2016, 40(2): 279-283.
YAN Ji-Kuan, YU Qiang-Zhong. A study of anomalous ore-forming elements based on geochemical sampling points: A case study of the Dabaoshan copper-polymetallic orefield in Guangdong Province. Geophysical and Geochemical Exploration, 2016, 40(2): 279-283.