内蒙古布敦花铜矿区运用物探资料成矿预测研究

为扩大布敦花铜矿远景储量,寻找陷伏矿床,对布敦花铜矿区的地质、地球物理特征进行分析研究,总结已知矿体的地球物理特征,建立成矿地球物理模型,进而利用已获得的各种物探信息对矿区及其外围进行找矿远景和靶区的预测。     

Geological factors influencing the concentration of trace elements in the Philippi peatland, eastern Macedonia, Greece

Six peat samples obtained from the Holocene and the Weichselian of the Philippi peat deposit, eastern Macedonia, Greece, were analyzed for 48 trace elements by Inductively Coupled Plasma–Mass Spectrometry (ICP–MS). The ash contents of these samples were also determined. Most of the trace elements are associated with the minerals in the peat, while Ge, Mo, Pb, Se, Ta, Tl, U, and W display a greater affinity with the organic matter. Compared with crustal averages (Clarke concentrations), the Philippi peat is enriched in some elements (Ag, As, Au, Cd, Mo, Se, Te, U, and W) because of the respective mineralizations in the area. The Philippi peat is also enriched in Cr, Cu, Mo, Pb, Sc, Sn, T, V, Y, and Zn in comparison with typical fen peats, as well as in As, Cr, Mo, Se, and U in comparison with typical coals. Climatic and hydrogeological conditions strongly influenced the peat-forming environment resulting in a differentiation between Holocene and Weichselian peat. Generally, the Holocene peat contains lower concentrations of trace elements in the northern and southern part of the fen, than the Weichselian one. The opposite trend is observed in the fen area close to the western basin margins.     

霍州辛置桃沟矿泉水的形成条件及水质特征

桃沟矿泉水暴露于辛置煤矿的通风斜井中，为低矿化度、低钠、锶重碳酸钙镁型饮用天然矿泉水，在开发利用过程中应十分重视环境保护及卫生检测。     

内陆表海聚煤盆地的曾想到处分析

在华北石炭二叠纪内陆表海聚煤盆地，海侵的突发性和事件性，泥炭沼泽化的广泛性和等时性，是划分其层序内部构成单元的良好界面。研究表明，华北石炭二叠纪内陆表海聚煤盆地的层序结构为“二元结构型”，即“海侵－高位”，缺少低位体系域。海侵体系域由１～２个小层序构成，而高位体系域由小层序构成。体系域恰与小层序组对应，海侵小层序组表现为弱退积－加积型，而高位体系域则表现为弱进积－加积型。小层序为高精度的岩相古地理编图单位，它为解析层序格架和煤聚积规律提供了最可靠的依据。     

冷水江煤矿塘冲矿井的地质采勘对比分析

塘冲矿井的大量井巷地质资料与原勘探精查报告对比分析表明,原精查报告内容与实际情况有较大出入,特别是控煤褶皱、断裂,煤层厚度与储量等方面,都存在较大差异,对矿山采矿影响颇大。究其原因,可能是勘查阶段受规范和技术手段等的限制,使原报告精度不够。因此,本文提出改进勘探方法,完善规范,提高勘查精度和加强煤矿生产补充勘探,都显得十分重要。     

直流电法在探测老窑采空区的应用

在各种工程地质、环境地质中、对地下采空区的探测是地球物理勘探的一项重要内容。文章从物性参数研究、技术方法择方面入手，探讨了直流电法探测老窑采空区的可行性，并以实例介绍了解决该问题所取得的经验。     

Application of electron paramagnetic resonance spectroscopy to examination of carbonized coal blends

Paramagnetic centers in two- and three-component coal blends carbonized at 1000 °C were studied by X-band (9.3 GHz) electron paramagnetic resonance (EPR) technique. The blends were prepared from three different Polish coals with carbon contents [wt.%]: 88.66, 86.21, and 82.67, respectively. The aim of this work was to compare EPR parameters and concentrations of paramagnetic centers in the initial and carbonized coal samples. Furthermore the spin–spin and spin–lattice interactions were characterized.EPR spectra were measured with magnetic modulation 100 kHz and microwave power 0.7 mW. Amplitudes and linewidths of EPR spectra were obtained. g-Factors were calculated from resonance condition. Concentrations of paramagnetic centers in the samples were determined. Influence of microwave power in the range 0.7–70 mW on EPR spectra was analyzed.All the studied samples revealed paramagnetism. Unpaired electrons are localized in the same atoms, because similar g-values in the range 2.0035–2.0038 were obtained for all the original samples. The EPR parameters of coal blends were additive in comparison with the parent coals. EPR spectra strongly changed after carbonization of the coal samples. Narrower EPR lines were measured for the original coal samples than for carbonized ones. We detected lower concentrations of paramagnetic centers in carbonized three-component coal blends than in two-component carbonized blends. EPR lines of the studied carbonized blends were not saturated at the microwave power used, which suggests fast spin–lattice relaxation processes in the samples. EPR examination proved chemical interactions between coal constituents during carbonization of coal blends.     

电磁测深在鲁西地区绿岩带型金矿勘探中的应用

在山东省泰安市周家庄地区金矿勘探中进行电磁测量方法试验, 获得了高分辨率的电性剖面和较可靠的地质解释资料, 经钻探验证发现了隐伏金矿体。测量结果表明, 在岩层深部高电阻率背景下的低值电阻率异常带是寻找金矿化带的有利部位, 低阻异常带的空间展布范围揭示了金矿化带的延伸趋势。      

Evolution of the depositional environments of the Jurassic Walloon Coal Measures,Surat Basin,Queensland, Australia

The Jurassic Walloon Coal Measures of the Surat Basin in eastern Australia host the continent's most significant coal bed methane resources. Previous studies have interpreted the Walloon Coal Measures within a single depositional facies model encompassing a wholly terrestrial setting. Using a multidisciplinary approach (facies analysis, palynology and wireline logs), the evolution of the Walloon Coal Measures is described within a new chronostratigraphic framework defined by accurate and precise U–Pb tuff dates. Analysis of sedimentary facies indicates that the majority of the Walloon Coal Measures was deposited by relatively small (<300 m wide), low gradient rivers on a poorly‐drained floodplain with numerous small lakes and mires. However, this study also identified some marine‐influenced facies with brackish palynomorphs (notably dinoflagellate cysts) and tidal sedimentary structures. These facies appear to have been deposited in estuaries during times of transgression. The evidence for base level shifts suggests that the coals may not have coevally accumulated with at least some of the thicker sandstones. Palaeogeographic maps for eleven time intervals suggest that rivers drained towards to the south/south‐west and south‐east, as indicated by sandstone percentage and gross unit isopach maps, presumably into proximal estuarine complexes. Marine incursions into the continent probably came from the north and east during times of high eustatic sea level and as precursors to those of the more persistent and extensive transgressions of the Early Cretaceous. A similar multidisciplinary approach should help to elucidate the evolution of other fluviolacustrine systems in other basins and aid in resource prediction.     

福建安溪潘田矿区矿坑涌水量预测方法评述

安溪潘田大理岩、铁矿区属岩溶承压水类型,矿坑涌水量预测通过放水试验及持续排水疏千方法,采用泰斯恢复法和比拟法进行论证。