加快地勘经济发展的若干思考

加速地勘经济发展是摆在地勘部门和地勘单位面前的一项硬任务.它关系到地勘工作如何更好地为国民经济发展服务亦关系到地勘队伍的生存、发展和稳定.发展地勘经济应有明确的目标,笔者认为,主要有五个方面:     

用现代企业制度改造和重塑多种经营企业加快发展部门产业经济

地勘经济改革的战略思想是建设适应社会主义市场经济的新体制，将现有的地勘队伍组建为＂地质找矿的野战军＂和＂实行企业化的地方军＂．分别按事业机制和企业机制运行。如何实现地勘单位（地方军）的企业化，笔者认为首先必须用现代企业制度改造和重塑现有的多种经营企业，并分析了困难和有利条件，提出了相应的对策和措施，使多种经营企业真正成为符合现代企业制度要求的经济实体。加快发展部门产业经济，才能逐步推进地勘单位的企业化。     

论地勘队伍的结构调整与发展

地勘队伍如何发展,经济结构如何调整,笔者结合广东省地勘系统的实际,就如何调整地勘经济结构和队伍发展谈谈个人的肤浅认识.一、现状1.地勘队伍结构现状.广东地勘局有29个县团级单位.16个地勘单位中,有14个是野外地质队,2个地质技术服务性单位;建筑施工企业5个;制造业企业2     

对地勘单位多种经营中发展外向型经济有关问题的探讨

地勘单位在发展多种经营中,如何加强外向型经济的发展,是一个需要研究探讨的新问题.现就其中的一些问题谈一点认识和意见,供参考.一、地矿部门多种经营发展外向型经济的必要性,紧迫性和可能性目前,沿海各省正在根据中央关于沿海地区经济发展战略的要求,大力发展外向型经济.形势发展很快.因此,对于沿海省区地勘单位必须认清形势,跟上形势的发展,要不失时机地大力发展外向型经济,这是地     

论地质勘查单位的改革与研究

地质勘查是我国国民经济建设和社会发展的基础工作,贯穿于经济社会发展的全过程。多年来,国有地勘单位经历了多次改革发展历程,但地勘部门仍居于事业编制下的企业经营管理过渡时期,改革发展面临的矛盾比较突出。本文通过对国有地勘单位的发展历程阐述,指出了国有地勘单位改革发展中存在的一系列问题,如观念陈旧,市场竞争意识淡薄;技术落后,地质勘查队伍设备单一;政事不分、责权不明等。这些问题,严重地制约了地勘经济的发展。最后,本文也对地勘单位改革发展提出了对策和建议：必须解放思想,进一步理顺行政管理体制,改革产权,建立健全法律、法规等。只有这样,才能打破国有地勘单位企业事业混淆不清的体制障碍,进一步解放地勘生产力,实现地勘经济的又好又快发展。     

新世纪地勘产业组织构建的理论思考

计划经济体制下形成的传统地勘产业组织,即地勘单位及科研院所,不能从根本上适应社会主义市场经济条件下的地质勘查市场的需求。现有的改组、改造方案存在较大的局限性,我们不得不思者一个严峻的课题,那就是地勘单位的来与生。现代地勘产业组织应是投资商、作业同三足支撑,多种经济成分共存的产业组织体系,并将项目经理部建设作为工作重点,虎拟组织结构建设作为发展方向。为此应建设和培育现代地勘产业组织的生存与发和支撑条     

加强地勘单位的经营管理工作

当前,地勘单位转制工作正在向纵深发展,一部分事业性质单位正地转化为企业性质单位.在转制过程中一些单位却出现了经营管理工作弱化的问题,对转制工作带来较大影响.对这类问题,如不立即得到重视,尽快纠正,将影响地勘单位转制的实现和今后经济工作的发展.     

国有地勘单位分类改革若干问题思考

国有地勘单位的改革,历经20余年,先后经历了结构调整,成建制转产,属地化等阶段,实现了一业为主、多种经营、产业结构多元化的企业化管理模式,但仍保持着事业单位的身份.根据《中共中央、国务院关于分类推进事业单位改革的指导意见》,国有地勘单位分类改革势在必行.地勘单位虽然在内外部环境方面都具有可持续发展的条件,但长期积累下来的共性问题仍将成为事企改革的瓶颈,如产业规模小而散,长期处于“打工经济”地位;人、财、物等资源有限,难以形成新的经济增长点;社会养老保险等社会问题的束缚,等等.国有地勘单位应在国家分类推进事业单位改革中争取主动,对照分类条件,合理定位.政府应在先行调研的基础上,考虑地域差异,以分类、分业、分级、分步的方式分阶段有序推进国有地勘单位的分类改革.在有配套政策的前提下进行产业整合,保障地勘事业的可持续发展.     

关于地勘单位实行多元化经营的战略思考

在我国煤炭工业发展速度放缓、发展困境凸显的形势下,结合煤炭地勘单位近20年来多种经营的发展历程,探讨了多元化经营两种基本形式及其利弊关系。根据煤炭地勘单位实行多元化经营具备的优势,提出了多数煤炭地勘单位在开展多元化经营时仍要坚持以核心业务、主营业务为主,在做强做大地质勘查主业的前提下,积极适度地开展相关多元化经营,如矿业开发、岩土工程勘察、社会地质服务等。对于建筑施工、旅游等虽有实践经验,但竞争激烈且与主业相关性较差的产业,可考虑适时退出。煤炭地勘单位只有把主业与相关产业有机统一起来,才能实现持续快速健康发展,才能保证煤炭地勘事业兴旺发达。     

地勘单位人力资源管理与开发

地勘行业如何科学地预测其人力资源发展趋势,制定地勘人力资源开发战略,对行业内人力资源实施有效管理与开发,关系行业未来的发展和前途。本文分析了地勘单位人力资源现状及存在的问题,从战略的角度介绍了地勘单位人力资源的管理与开发措施。     

The terrestrial fauna of the Late Triassic Pant-y-ffynnon Quarry fissures,South Wales,UK and a new species of Clevosaurus (Lepidosauria: Rhynchocephalia)

Pant-y-ffynnon Quarry in South Wales yielded a rich cache of fossils in the early 1950s, including articulated specimens of new species (the small sauropodomorph dinosaur Pantydraco caducus and the crocodylomorph Terrestrisuchus gracilis), but no substantial study of the wider fauna of the Pant-y-ffynnon fissure systems has been published. Here, our overview of existing specimens, a few described but mostly undescribed, as well as freshly processed material, provides a comprehensive picture of the Pant-y-ffynnon palaeo-island of the Late Triassic. This was an island with a relatively impoverished fauna dominated by small clevosaurs (rhynchocephalians), including a new species, Clevosaurus cambrica, described here from a partially articulated specimen and isolated bones. The new species has a dental morphology that is intermediate between the Late Triassic Clevosaurus hudsoni, from Cromhall Quarry to the east, and the younger C. convallis from Pant Quarry to the west, suggesting adaptive radiation of clevosaurs in the palaeo-archipelago. The larger reptiles on the palaeo-island do not exceed 1.5?m in length, including a small carnivorous crocodylomorph, Terrestrisuchus, and a possible example of insular dwarfism in the basal dinosaur Pantydraco.     

Définition d'une limite multicritère ; stratigraphie du passage Campanien–Maastrichtien du site géologique de Tercis (Landes,SW France)Definition of a multi-criteria boundary; stratigraphy of the Campanian–Maastrichtian interval of the geological site at Tercis (Landes,SW France)

Lithostratigraphy, physicochemical stratigraphy, biostratigraphy, and geochronology of the 77–70 Ma old series bracketing the Campanian–Maastrichtian boundary have been investigated by 70 experts. For the first time, direct relationships between macro- and microfossils have been established, as well as direct and indirect relationships between chemo-physical and biostratigraphical tools. A combination of criteria for selecting the boundary level, duration estimates, uncertainties on durations and on the location of biohorizons have been considered; new chronostratigraphic units are proposed. The geological site at Tercis is accepted by the Commission on Stratigraphy as the international reference for the stratigraphy of the studied interval. To cite this article: G.S. Odin, C. R. Geoscience 334 (2002) 409–414.     

The effect of water on accessory phase solubility in subaluminous and peralkaline granitic melts

The solubilities of columbite, tantalite, wolframite, rutile, zircon and hafnon were determined as a function of the water contents in peralkaline and subaluminous granite melts. All experiments were conducted at 1035 °C and 2 kbar and the water contents of the melts ranged from nominally dry to approximately 6 wt.% H₂O. Accessory phase solubilities are not affected by the water content of the peralkaline melt. By contrast, solubilities are affected by the water content of the subaluminous melt, where the solubilities of all the accessory phases examined increase with the water content of the melt, up to 2 wt.% H₂O. At higher water contents, solubilities are nearly constant. It can be concluded that water is not an important control of accessory phase solubility, although the water content will affect diffusivities of components in the melt, thus whether or not accessory phases will be present as restite material. The solubility behaviour in the subaluminous and peralkaline melts supports previous spectroscopic studies, which have observed differences in the coordination of high field strength elements in dry vs. wet subaluminous granitic glasses, but not for peralkaline granitic glasses. Lastly, the fact that wolframite solubility increases with increasing water content in the subaluminous melt suggests that tungsten dissolved as a hexavalent species.     

Late Wuchiapingian (Late Dzhulfian,early Late Permian) limestone olistolites within the Tertiary flysch of Glypia Unit (Mount Parnon,central–eastern Peloponnesus,Greece)

Some olistolites reworked in a Tertiary flysch of Mount Parnon (Peloponnesus, Greece) exhibit a Late Permian assemblage, dominated by Paradunbarula (Shindella) shindensis, Hemigordiopsis cf. luquensis and Colaniella aff. minima. This association corresponds to the Late Wuchiapingian (=Late Dzhulfian), a substage whose algae and foraminifera are generally little known. Contemporaneous limestones crop out in the middle part of the Episkopi Formation in Hydra, but they are rather commonly reworked in Mesozoic and Cainozoic sequences. The palaeobiogeographical affinities shared by the foraminiferal markers of Greece, southeastern Pamir, and southern China, are very strong (up to the specific level), and are congruent with the Pangea B reconstructions. To cite this article: E. Skourtsos et al., C. R. Geoscience 334 (2002) 925–931.     

PALEONTOLOGY

正20141596 Liu Yunhuan(School of Earth Sciences and Resources,Chang’an University,Xi’an 710054,China);Shao Tiequan Early Cambrian Quadrapyrgites Fossils of Xixiang Boita in Southern Shaanxi Province(Journal of Earth Sciences and Environment,ISSN1672-6561,CN61-1423/P,35(3),2013,p.39-43,3 illus.,20 refs.)     

GEOCHEMICAL EXPLORATION

正20141719 Chen Zhijun(State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Wuhan 430074,China);Chen Jianguo Automated Batch Mapping Solution for Serial Maps:A Case Study of Exploration Geochemistry Maps(Journal of Geology,ISSN1674-3636,CN32-1796/P,37(3),2013,p.456-464,2 illus.,2 tables,10 refs.)     

MICROPALAEONTOLOGY

正20140962 Chen Fenning(Xi’an Institute of Geology and Mineral Resources,Xi’an710054,China);Chen Ruiming Late Miocene-Early Pleistocene Ostracoda Fauna of Gyirong Basin,Southern Tibet(Acta Geologica Sinica,ISSN0001-5717,CN11-1951/P,87(6),2013,p.872-886,6illus.,56refs.)     

PETROLOGY

正1.IGNEOUS PETROLOGY20142008Cai Jinhui(Wuhan Center,China Geological Survey,Wuhan 430205,China);Liu Wei Zircon U-Pb Geochronology and Mineralization Significance of Granodiorites from Fuzichong Pb-Zn Deposit,Guangxi,South China(Geology and Mineral Resources of South China,ISSN1007-3701,CN42-1417/P,29(4),2013,p.271-281,7illus.,     

ENVIRONMENTAL GEOLOGY

正20141205Cheng Weiming(State Key Laboratory of Resources and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,China);Xia Yao Regional Hazard Assessment of Disaster Environment for Debris Flows:Taking Jundu Mountain,Beijing as an     

PROSPECTING EXPLORATION

正20141266Fan Chaoyan(Guangdong Provincial Key Laboratory of Mineral Resources and Geological Processes,Guangzhou 510275,China);Wang Zhenghai On Error Analysis and Correction Method of Measured Strata Section with Wire Projection Method(Journal of