西昆仑山东段库牙克断裂与康西瓦断裂、阿尔金断裂关系的地球化学证据

新疆昆仑山中部库牙克地区，处于不同大地构造单元的结合部位，一些重要构造线均交会于此，确定它们之间的关系，关键在于库牙克断裂。1：20万区域化探最新成果显示，库牙克地区绝大多数元素两分性特征突出、南北差异明显，北部整体富集MgO、K2O、Na2O、Al2O3、CaO、Cr、Ni、Co、V、Ti、Au、La、Be，而贫Hg、As、Sb、B、Li，南部正好相反。两者之间的分界线从东向西依次对应于阿尔金断裂西段、库牙克断裂、阿什库勒断裂和康西瓦断裂东端。因此，从地球化学角度对库牙克断裂的延伸进行了推断，提出库牙克断裂东连阿尔金、西经阿什库勒与康西瓦断裂相接的新认识。     

滇中禄丰地区侏罗系磁性地层学研究

通过云南中部禄丰地区侏罗系磁性地层学研究，建立了滇中侏罗系磁极性地层柱，为国内及该地区侏罗系地层单元的时代划分与对比提供了基础资料。依据磁性地层学研究的结果，修订了滇中侏罗系的顶界和上、中侏罗统的界线，建立了中、下侏罗统和侏罗系—三叠系界线数据。经对比发现，滇中侏罗系古地磁极与扬子地块侏罗系古地磁参考极之间有较大差异，反映滇中地块自侏罗纪以来曾向南发生了明显移动，产生过顺时针旋转。     

广东河源盆地蛋化石

河源盆地沉积了白垩系-古近系，笔者将这套地层划分为3个岩石地层单位，新建仙塘组和东源组，沿用格岭组。在河源除发现恐龙骨骼、恐龙脚印、龟鳖化石外，于白垩系东源组中还产有大量蛋化石。该组蛋化石的分布，下部以圆形蛋为主，中-上部多见长形蛋。报道了三王坝村副圆形蛋(新种)Paraspheroolithus sanwangbacunensis Fang sp．nov．、风光村树枝蛋(新种)Dendroolithus fengguangcunensis Fang sp．nov．和瑶屯巨形蛋Macroolithus yaotunensis、长形长形蛋Elongatoolithus elongates。     

广东省特色农作物标准波谱数据库框架设计与示范应用

本研究着眼于广东省典型特色农作物的波谱，建立了波谱数据库，该库分为知识库、遥感实测波谱库、模型库、波谱分析和 荔枝园示范5大部分。 在波谱分析模块设计上提供了波谱数据查询、分析等功能，通过对荔枝园种植面积应用示范，给用户提供了极 大方便。     

东亚冬季风异常与广东前汛期旱涝关系的初步分析

利用500hPa北半球格点资料,参照历史平均东亚大槽位置,定义了东亚冬季风强度指数(I₅₀₀)。分析发现,近50年东亚冬季风强度有减弱趋势,特别是1987年以来冬季风明显减弱。根据广东48个站1954～2004年前汛期(4～6月)降水资料,用区域旱涝指数W对广东前汛期旱涝等级进行划分。51年内广东有9年前汛期出现大涝(或特涝),11年出现大旱(或特旱),旱涝发生频繁。冬季风异常对广东前汛期降水的影响比较大,强冬季风年后广东前汛期出现大旱的可能性较大,而出现大涝的可能性很小。     

湘中锑(金)矿床成矿物质来源——Ⅰ.微量元素及其实验地球化学证据

为了查明湘中盆地中-低温梯（金）矿床的成矿物质来源，文章应用高分辨率ICP-MS、ICP-AES等方法对岩石与矿石进行了系统测定，并结合作者以往分析数据和实验地球化学结果，对该区盆地及周边基底地层与矿床中的微量元素分布特征及其水/岩反应效应进行了综合分析和系统研究。结果表明：Sb、Au等成矿元素在元古界基底碎屑岩中具有高的背景含量，在近似成矿条件下的水/岩反应实验中，成矿元素的淋出率达20%～90%，元古界基底碎屑岩中的金（锑、钨）矿床的周围蚀变围岩中出现明显的金负异常区。而盆地内泥盆系统地层中的高锑含量仅局限于锑矿床（化）及其蚀变围岩中；湘中锑（金）矿床中的矿石与基底碎屑岩具有相似的稀土元素球粒陨石标准化配分曲线特征，以上微量元素地球化学特征充分证明该区锑（金）矿床锑、金等成矿物质主要来源于元古界底碎屑岩。     

运用层序不对称性分析海平面变化特征

目前研究海平面变化的方法尚不能精确确定海平面变化，对记录海平面变化的沉积体或层序物质组成及结构特点的研究尚显薄弱。在分析层序不对称性与海平面变化的关系基础，提出层序不对称系数S0，认为海平面的升降变化对浅水沉积区影响显著，其结果必然造成层序S0的增加；海平面的升降变化对沉水沉积区影响不大，层序S0较为恒定。对进行详细研究中扬子区S0分布特点，运用S0曲线计算了中扬子区海平面变化特点，并与其他方法进行对比，认为可以用S0判断水体相对深浅，分析海平面变化。     

鄂尔多斯盆地中部地区下古生界碳酸盐岩生烃潜力探讨

下古生界高成熟－过成熟碳酸盐岩的生烃潜力一直是困扰我国海相地层油气评价和勘探的重要问题，至今尚未得到很好的解决。本采用有机岩石学和有机地球化学方法，系统剖析了鄂尔多斯盆地中部地区下古生界碳酸盐岩的基本特征及其生烃潜力。结果表明，鄂尔多斯盆地中部地区发育下古生界海相碳酸盐岩，烃源岩厚度较大，有机质丰度较低，有机质类型主要为I型和Ⅱ型，有机质热演化已达到过成熟阶段，这套烃源岩是该区重要的有效气源岩，具有较好的生烃潜力，可为中部大气田提供良好的气源条件。     

Tectonic Subdivision of Dabie Orogenic Belt,Central China：Evidence from Pb Isotope Geochemistry of Late Mesozoic Basalts

It has long been debated that the Dabie orogenic belt belongs to the North China or Yangtze craton. In recent years, eastern China has been suggested, based on the Pb isotopic compositions of Phanerozoic ore and Mesozoic granitoid K-feldspar (revealing the crust Pb) in combination with Meso-Cenozoic basalts (revealing the mantle Pb), being divided into the North China and Yangtze Pb isotopic provinces, where the crust and mantle of the Yangtze craton are characterized by more radiogenic Pb. In this sense, previous researchers suggested that the pro-EW-trending Dabie crogenic belt with less radiogenic Pb in the crust was part of the North China craton. In this paper, however, the Late Cretaceous basalts in the central and southern parts of the Dabie orogenic belt are characterized by some more radiogenic Pb (²⁰⁶Pb/²⁰⁴Pb=17.936−18.349,²⁰⁷Pb/²⁰⁴Pb=15.500−15.688,²⁰⁸Pb/²⁰⁴Pb=38.399−38.775) and a unique U-Th-Pb trace element system similar to those of the Yangtze craton, showing that the Mesozoic mantle is of the Yangtze type. In addition, the decoupled Pb isotopic compositions between crust and mantle were considerably derived from their rheological inhomogeneity, implying a complicated evolution of the Dabie orogenic belt. The study was funded by the National Natural Science Foundation of China (No. 49794043) and the Open Laboratory of Constitution, Interaction and Dynamics of the Crust-Mantle System, China.     

Far field effects of Alpine plate tectonism in the Iberian microplate recorded by fault-related denudation in the Spanish Central System

Apatite fission track analysis was performed on 56 samples from central Spain to unravel the far field effects of the Alpine plate tectonic history of Iberia. The modelled thermal histories reveal complex cooling in the Cenozoic, indicative of intermittent denudation. Accelerated cooling events occurred across the Spanish Central System (SCS) from the Middle Eocene to Recent. These accelerated cooling events resulted in up to 2.8±0.9 km of denudation in the western Sierra de Gredos and 3.6±1.0 km in the central and eastern Gredos (assuming a paleogeothermal gradient of 28±5 °C and a surface temperature of 10 °C). The greatest amount of denudation (5.0±1.6 km) occurred in the Sierra de Guadarrama. Accompanying rock uplift was 4.7±1.0 and 5.9±1.6 km in the eastern Gredos and Guadarrama, respectively. Most denudation in the Gredos occurred from the Middle Eocene to the Early Miocene and can be related to the N–S stress field, induced by the Pyrenean compression. In the Guadarrama, the greatest denudation was Pliocene to Recent of age and seems related to the ongoing NW–SE Betic compression. The fact that the formation of the E–W trending Gredos coincides with the N–S Pyrenean compression and the creation of the present day morphology of the NE–SW trending Guadarrama with the younger NW–SE Betic compression, indicates that they record the far field effects of Alpine plate tectonics on Iberia. The trend of pre-existing lineaments was of major importance in influencing the style and magnitude of these of far field effects.