基于微渗漏机制的甲烷氡气异常特征及其在煤矿隐蔽致灾因素勘探中的意义

贺会策, 孙春岩, 唐侥, 张宗庆, 冶北北, 赵浩, 王栋琳

Methane and radon anomaly characteristics derived based on the microleakage mechanism and their implications for the exploration of hidden disaster-causing factors in coal mines

HE Hui-Ce, SUN Chun-Yan, TANG Yao, ZHANG Zong-Qing, YE Bei-Bei, ZHAO Hao, Wang Dong-Lin

表3 面积测量工区地球化学指标数值统计特征

Table 3 Numerical and statistical characteristics of geochemical indicators in area survey working area

指标 点数 工作区面积/km2 最高值 最低值 均值 标准差 异常下限 衬度 氡气 651 1.5 24783.05 940.45 7106.55 2437.84 9000.00 3.49 游离烃甲烷 416 1.5 400.00 7.48 89.20 66.11 150.00 4.48 酸解烃甲烷 416 1.5 5475.00 36.17 1655.80 1059.85 2600.00 3.30