南岭东段龙头寨群南迳组的建立及其地质时代厘定

南岭带东段晚奥陶世广泛发育一套浅变质岩系,称为龙头寨群。以南迳乔子山剖面和中寨剖面为层型剖面建立南迳组,并置于龙头寨群顶部。用SHRIMP法测得南迳盆地南迳组安山岩样品14个锆石U-Pb年龄数据,其~(206)Pb/~(238)U年龄变化范围为460~425Ma,年龄加权平均值为442.1±3.9Ma(MSWD=0.75);英安岩15个锆石~(206)Pb/~(238)U年龄变化范围为450~420Ma,年龄加权平均值为439.9±3.7Ma(MSWD=0.50)。结合司前河口破火山口碎斑熔岩的SHRIMP锆石U-Pb年龄(443.6±5.4Ma(MSWD=1.3)),可将南迳组的地质时代归于晚奥陶世末期—早志留世初期。龙头寨群南迳组的建立和地质时代的厘定,不仅为龙头寨群的地质时代归入晚奥陶世—早志留世初期提供了可靠的依据,而且为南岭带东段晚奥陶世—早志留世浅变质岩系属含有火山岩的优地槽型沉积提供了证据。     

南京栖霞山多金属矿床的有机成矿作用

通过检测南京栖霞山多金属矿床成矿流体中的系列生物标志化合物，确证了成矿流体中的有机质源于赋矿地层中的菌藻类生物。成矿流体中的有机质富含有较多的杂原子，流体中的Ｚｎ含量高达２００．４×１０－６，表明成矿元素能以有机－金属络合物的形式搬运。矿石中的Ｐｂ、Ｚｎ总量与Ｓ／Ｃ比值存在一定关系，有机质通过还原ＳＯ２－４而为矿质沉淀提供Ｓ２－。并由此提出长江中下游地区许多矿床赋存于石炭－三叠系中与有机质、有机流体的这些成矿作用有一定的关系。     

建造环境供给结构的转型与都市景观的演化以南京为例

在综合国外新古典经济学和土地经济学，激进马克思主义学派及制度分析中有关建筑环境保障结构理论的基础上，确定制造环境保障结构转型对都市景观演变的三个基本作用要素，并针对中国都市区，揭示由特定的政治经济关系转型。城市内各行业，部门的发展和土地发展的组织过程和干预手段对都市景观发展过程的影响，或城市规划功能转化这三方面共同构成的都市景观变化内涵。     

Variations of the Treescape in Relation to Urban Development in a Chinese City: The Case of Nanjing*

Urban trees, as prominent and pertinent landscape elements of cities, are increasingly studied by both practitioners and academics. Trees in Chinese cities have hitherto received little detailed analysis from the viewpoint of urban forestry or landscape analysis. This study attempts a comprehensive evaluation of the tree population in Nanjing, focusing on the association between urban development and treescape attributes. Six districts, covering the main built‐up area of 130 km², formed the study area. Nine land‐use types with varied urban morphology and three urban zones with different development history were identified, within which subareas and trees were sampled for field study of tree dimensions, tree performance, and site characteristics. Statistical analyses on the 6,527 surveyed trees verify that tree performance is significantly associated with land use, site condition, and related human activities. Treescape is associated with housing ownership, town planning, and the history of urban expansion. The relationship between treescape and urban landscape units can furnish hints for improved urban forest planning and management and better coordination between planners and landscape professionals.     

Analysis of solar radiation variations over Nanjing region in recent 40 years

The data utilized in this analysis consisted of extraterrestrial radiation, global radiation, diffuse radiation, direct radiation, total cloud cover and relative sunshine. The annual variations and trend were analyzed for monthly mean daily total global, direct, and diffuse radiation on a horizontal surface and for the relations between global, direct, diffuse radiation and relative sunshine, total cloud cover. The climatological calculation equations of global and direct radiation are put forward. The results show that global and direct radiations are characterized by decrease and diffuse radiation by increase. The main causes are due to the increase of concentration of suspended particles and atmospheric turbidities rather than cloud cover variations.     

安徽向山地区火山岩层中硬石膏的沉积成因特征及其与硫铁矿的关系

本文从赋矿地层,含矿层序、容矿岩性、矿石结构构造、矿物组合、生成顺序、地球化学特征以及区域对比等方面,论证了向山地区的硬石膏矿床是在蒸发环境条件下,主要由火山喷气作用提供物质来源,通过沉积作用所形成的特殊膏盐建造,并受到后期岩浆热液的叠加改造。文章还分析了硬石膏形成的地质环境条件。最后阐述了该区硫铁矿与硬石膏的两种成因关系。     

南京直立人生存的年代及气候地层对比

1 朱梅.葡萄酒.北京:轻工业出版社,1954 2 尹克林,梁武,诸葛宏庆.酿酒葡萄品种“蛇龙珠”的叶形结构数值鉴别.园艺学报,1998,25(2     

南京市露采矿山存在的环境问题与整治建议

在露采矿山地质环境调查成果的基础上，分析了南京市露采矿山环境现状，指出了矿山存在的环境问题，提出了矿山环境保护与整治建议，为科学有序地开展矿山环境整治及制定相关政策提供了依据。     

南京市滑坡形成机理及诱发条件研究

南京市滑坡地质灾害屡有发生，通过对已发生的土质、岩质滑坡形成机理的研究，从中找出影响滑坡发生、发展的自然因素和人为因素，分析了滑坡的诱发条件。     

南京栖霞山铅锌银多金属矿床的生物成矿作用

许多学者探讨过菌藻生物与形成南京栖霞山铅锌银多金属矿床的预富集作用。然而，生物成矿作用是一个随地质作用的发展而发展演化的过程，本文详细研究了矿床中的矿化生物以及矿石中的吸附有机质，证实它们源自菌菏生物，结合非打开性的红外和荧光光谱方法以及打开性的ＧＣ－ＭＳ分析，重点研究了矿床中发现的有机包裹体，检测出成矿流体中的系列生物标志化合物，证实成矿流体中的有机质也源自菌藻生物。根据成矿流体中有机质特征，矿石中成矿元素闻的关系以及有机质中所古的金属元素，论证了这些源自苗藻生物的有机质、有机流体对成矿元素的活化迁移和还原沉淀作用，建立了生物－有机质－流体成矿系统。