浦项盆地第三系泥岩酸性岩排水系生成能力

IF 0.4 Q4 ENGINEERING, GEOLOGICAL
In-Woo Baek, J. Kim, Young-Suk Song, Taehyung Kim
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引用次数: 1

摘要

通过室内实验,确定了浦项第三系泥岩的基本性质和酸性岩浆液的生成能力。x射线荧光(XRF)分析结果表明,该地区泥岩以为主,所占比例约为60%,其次为 和 。因此,很明显存在丰富的铝硅酸盐,很有可能产生酸性岩石排水。XRD分析结果表明,泥岩中含有黄铁矿(),极有可能产生酸性排液;电感耦合等离子体原子发射光谱(ICP-AES)分析结果表明,泥岩样品中含有大量的离子。通过离子色谱法(ion chromatography, IC)进行阴离子分析,所有泥岩样品均具有较高的浓度。元素分析表明,总硫(S)含量较高,最大潜在酸度(MPA)大于1%,表明该区形成酸性岩系的风险较高。综上所述,虽然第三系泥岩样品之间存在较小的差异,但总体而言,样品具有较高的酸性岩浆岩成水能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Acid Rock Drainage Generation Capacity of Tertiary Mudstone in Pohang Basin
This study determines the basic properties and acid rock drainage generation capacity of Pohang tertiary mudstone through laboratory experiments. According to X-ray fluorescence (XRF) analysis results, the mudstone of this area mostly comprised of   with a proportion of approximately 60%, followed in order by    and     . As such, it is clear that there is an abundance of aluminosilicates with a high probability of generating acid rock drainage. The XRD analysis showed that the mudstone contains pyrite (), it is highly likely to generate acid rock drainage, and inductively coupled plasma atomic emission spectroscopy (ICP-AES) analysis results showed that the mudstone samples contained a high amount of   ions. As a result of anion analysis measured by ion chromatography (IC), all mudstone samples were measured to have high    concentrations. According to elemental analysis, the total sulfur (S) content was high, which in turn indicates a high risk of acid rock drainage generation reflected by a maximum potential acidity (MPA) higher than 1%. All in all, although there were slight deviations between the tertiary mudstone samples, overall, the samples exhibited high acid rock drainage generation capacities.
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