中国水文、工程、环境物探的回顾和展望

回顾了我国水文、工程和环境物探近50年的历史，简介了我国水文、工程、环境物探发展的四个阶段．重点论述了我国能源、交通和城市工程物探在电力、铁路、水利建设以及海洋平台工程建设等领域内取得的重大成就；介绍了水资源和地热物探在农业、工业和城市建设中的重要贡献；分析了我国水文、工程、环境物探的技术进步；最后提出了发展方向．     

发展中的中国煤田地质学

中国的煤和煤田地质特征具有鲜明的地域特色和独特的地质问题。煤炭是中国主要的一次能源。本文概要评述了近年来我国煤田地质学科的显著进展，认为未来的发展将取决于，引入新理论、新方法和广泛应用高新技术，强化与其他一些地学分支的交叉和渗透，今后将更突出研究煤的地球化学、支撑洁净煤技术和煤基材料利用技术的地质基础、煤层气，和高产、高效、安全开采煤炭生产的地质保障体系。     

淮河息县站流量概率预报模型研究

应用美国天气局采用的由Roman Krzysztofowicz开发的贝叶斯统计理论建立概率水文预报理论框架，即以分布函数形式定量地描述水文预报不确定度，研究了淮河息县站流量概率预报模型。理论和经验表明，概率预报至少与确定性预报一样有价值，特别当预报不确定度较大时，概率预报比现行确定性预报具有更高的经济价值。     

全国地层委员会章程

第一条　宗　旨为了适应国民经济建设和地质科学发展的需要，推动中国地层工作和地层学的健康发展，更好地发挥全国地层委员会（以下简称全委会）的作用，特制定本章程。第二条　性质与任务全国地层委员会是国家地矿主管部门——国土资源部领导下的全国性学术协调组织。其任务是：1.讨论制定地层工作和地层学研究的基本任务和发展方向；协调地层工作发展规划。2.组织起草、修订《中国地层指南》；负责全国地层单位名称的管理。3.组织交流地层工作的成果和经验，开展国内外学术交流；组织、协调有关重大的地层科学技术问题的解决；编辑出版《…     

Analysis of Ore-Controlling Structures of the Xincheng-Hexi Gold Deposit, Shandong Province, China

Based on quantitative and semi-quantitative mathematical and mechanical analysis of the shape, motion, structural factors, stress field and deformation field of the ore-hosting faults in the Xincheng-Hexi gold deposit, the ore-controlling features of faults and mineralization mechanism are discussed. It is concluded that the mineralization is controlled by the main faults, subsidiary fractures, joint density, mechanical features and deformation of the faults. The ore bodies are mainly located in the lower part of the convex crest and upper part of the concave trough of the main undulating fault surface. Mineralization is positively correlated to the development of subsidiary fractures and joints, which correspond to zones of low internal stress and high body strain and shear strain. They are favourable positions for mineralization and alteration.     

Puziwan Gold Deposit in Shanxi, China: A Special Linear Cryptoexplosive Breccia Type Gold Deposit

The Puziwan gold deposit is a special linear cryptoexplosive breccia type deposit found in northeastern Shanxi, China, in recent years. The deposit is located in a secondary metallogenic. belt of the most famous Au-Ag polymetallic metallogenic belt along the north margin of the North China platform. The secondary metallogenic belt is a synmagmatic tension-shear fault-fracture belt of ENE linear trend. The Indosinian cryptoexplosive breccia body, quartz monzonitic porphyry (beschtauite breccia), quartz monzonite (243.7 Ma, K-Ar), Yanshanian granite-porphyry (105±6 Ma, Rb-Sr) and orebodies mostly occur as dykes or veins and short lenses along the structural fracture belt. The orebodies are emplaced in the fractured cryptoexplosive breccia body in the tectonomagmatic belt and their attitude is consistent with that of the breccia body. The orebodies have two types: one is shallow-seated thick and big ones, which are short-lenticular in plan and wedge-shaped in cross section, shallow buried, large in size a     

THE IMPACTS OF GLOBAL CHANGE ON DESERTIFICATION IN CHINA

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