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Acta Geologica Sinica(English Edition) 1996年第4期70卷 407-419页

作者： Zhuang Hanping, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, GuizhouRan Chongying, He Mingqin, Geology Department, Kunming Institute of Technology, Kunming, Yunnanand Lu Jialan Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangdong

Studies on organic geochemistry indicate that the origin, type and maturity of organic matter are different among coal-bearing, copper-bearing and evaporite formations in the Mesozoic continental Chuxiong Basin, Yunnan, China. A mechanism has been proposed that (1) during the diagenetic mineralization stage the short-chain organic acids dervied from kerogen played an important role in remobilizing copper from source beds, while oils acted as important carrier of copper, and that (2) during the transformation or remolding mineralization stage, meteoric water leached the evaporite layers and formed downward-percolating oxidizing SO42-rich fluids; meanwhile, the copper-bearing fluids migrating upwards along growth faults from the basement was contaminated by the coal-bearing series on the way and formed reducing organic-rich fluids; oxidation-reduction occurred and sulfides formed when the two kinds of fluids met within sandstones.

关键词： sandstone-hosted copper deposit organic matter evaporite organic geochemistry Chuxiong basin

Uranium distribution in the lacustrine calcareous clastic-evaporite sequence in the western Qaidam Basin,and implications for U behavior in concentration of closed water

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Acta Geologica Sinica(English Edition) 2014年第S1期88卷 168-169页

作者： YANG Yibo FANG Xiaomin LI Minghui APPEL Erwin ZHANG Weilin LIU Xiaoming Key Laboratory of Continental Collision and Plateau uplift Institute of Tibetan Plateau Research Chinese Academy of Sciences Paleoenvironmental Dynamics Group Institute of Geosciences Goethe University Frankfurt Altenhferallee 1

Uranium(U)provides especially useful information for reconstructing paleoredox conditions due to its unique geochemical properties and behavior in supergene *** proxy potential under suboxic-oxic

关键词： Uranium Paleoredox conditions Lacustrine sediments evaporite Qaidam Basin

福伊特推出evaporite系列高品质纸机干网

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福建纸业信息 2013年第12期 12-12页

中国纸业网6月7日报道摘要:evaporite全新高品质干网是福伊特为市场带来的最新创新产品。在干网使用期内保持其干燥效率和纸张的运转是纸机性能的一个关键性成本驱动因素。evaporite系列干网具有出色的耐用性和使用效率,抗污性强且易于... 详细信息

中国纸业网6月7日报道摘要:evaporite全新高品质干网是福伊特为市场带来的最新创新产品。在干网使用期内保持其干燥效率和纸张的运转是纸机性能的一个关键性成本驱动因素。evaporite系列干网具有出色的耐用性和使用效率,抗污性强且易于清洗。其采用全新"Clean Weave"设计并使用"Syn Stron"材料,耐用性显著高于传统涤纶纱。开放式结构,纱线交叉点少。

关键词：福伊特 evaporite 中国纸业干燥效率耐用性内部空隙机性 Clean 开放式结构抗污

Eogenetic Karst in Interbedded Carbonates and evaporites and Its Impact on Hydrocarbon Reservoir: A New Case from Middle Triassic Leikoupo Formation in Sichuan Basin, Southwest China

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Journal of Earth Science 2019年第5期30卷 908-923页

作者： Hong Liu Xiucheng Tan Ling Li Xiong Ding Jian Cao Guang Yang Teng Ma State Key Laboratory of Oil and Gas Geology and Exploitation Southwest Petroleum University Chengdu 610500 China School of Earth Sciences and Technology Branch of Sedimentology and Hydrocarbon Accumulation CNPC Key Laboratory of Carbonate Reservoir Southwest Petroleum University Chengdu 610500 China Department of Earth Sciences Nanjing University Nanjing 210023 China Institute of Petroleum Exploration and Exploitation PetroChina Southwest Oil and Gas Field Company Chengdu 610051 China

Karst in interbedded carbonates and evaporites has been reported to have important and complex impacts on reservoir. It is significant for exploration and karst geology. Here, we report such a new case from Middle Triassic Leikoupo Formation of Sichuan Basin, Southwest China. Stratigraphic incompleteness and the occurrence of unconformity provide evidence for the presence of eogenetic karst. Under the impact of this eogenetic karst, residual weathered and solution-collapse breccia, solution pores and silicification and dedolomitization have been observed. Classic stratigraphic zonation of karst is not readily distinguishable, which is ascribed to the stratigraphic collapse of carbonate rocks resulting from the dissolution of evaporites by lateral subsurface fluid flow. In terms of impact on reservoir quality, karst can generally improve the initial physical property of the porous layers in theory. However, subsurface fluid flow dissolved the evarporitic beds and facilitated the collapse of overlying strata. As a consequence, the lateral continuity of the reservoirs would be destroyed, and relatively high-quality reservoirs can only be developed with little collapse of overlying strata, reflecting reservoir heterogeneities. This may be a general feature of reservoir formation under the impact of karst in interbedded carbonates and evaporites.

关键词： karst carbonate reservoir evaporite Middle Triassic Leikoupo Formation Sichuan Basin

DESICCATION OF THE MIDDLE ORDOVICIAN EPEIRIC SEA IN NORTH CHINA

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Chinese Science Bulletin 1991年第21期36卷 1811-1815页

作者：王兆升 Institute of Geology Academia Sinica Beijing 100029 PRC

Ⅰ. INTRODUCTION The Middle Ordovician evaporites in North China have been commonly considered as distributing only in the central part of the epeiric sea. Their genesis has raised much controversy among sedimentologi... 详细信息

关键词： Middle Ordovician evaporite desiccation

New ideas on the tectonic of the Kurveleshi anticlinal belt in Albania, and the perspective for exploration in its subthrust

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Petroleum 2015年第4期1卷 269-288页

作者： Telo Velaj 1700 Street Road Apt.A-7 WarringtonPA 18976USA

The external thrustbelt of Albania consists of some tectonic zones(Ionian,Kruja and Krasta-Cukali zones),that are westward overthrust,with a large amplitude(50e100 km),above the Apulian platform and South Adriatic *** relative movement of the Adriatico-Apulian sub-plate between,the Euro Asiatic and African plates during from the Mesozoic to the Tertiary period,mainly controlled the tectonic evolution of the *** Ionian zone consists of anticline belts(Berati,Kurveleshi and Cika),that are overthrust toward the west with an amplitude about 20e30 km Their overthrustings was realized through regional sliding evaporitic horizons,which caused the masking of folded structures in the subthrust,with the perspective *** Kurveleshi anticlinal belt represents a mega-anticlinal with a length of 210 km and a width of about 20 km,and it is characterized by anticline structures with heterogeneous dimensions,predominantly those of great dimensions and linear *** overthrusting of the anticline units has a local character,and it is more developed in the Kurveleshi anticlinal *** magnitude is about 8e10 *** a result of these overthrusts,imbrication and duplex styles are formed,leadind to the masking of the subthrust complex with structures of large interest(***,Karbunara,etc.)where two oil fields have been dioscovered beneath the Mali Gjere anticline(Delvina oil field)and the Kremenara anticline(Karbunara oil field).Backthrust faults phenomena are secondary and they taken place in the post-collision *** they are easterward thrust faults of structural units with an amplitude of 5e10 *** Kurveleshi anticlinal belt,based on tectonic features,is divided into two parts:The southern part,from Qafa Sevaster in the north down to Greece to the *** northern part,from Qafa Sevaster in the south up to the end of the Patos-Verbas *** the southern part these features predominate:The anticline structures are large in size,and over

关键词： Albania Kurveleshi anticlinal belt Ionian zone evaporite Overthrust Oil fields Evaporitic tectonics Subthrust Upthrust

Modelling and applications of dissolution of rocks in geoengineering

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2023年第1期24卷 20-36页

作者： Farid LAOUAFA Jianwei GUO Michel QUINTARD National Institute for Industrial Environment and Risks(INERIS) Verneuil en Halatte60550France School of Mechanics and Aerospace Engineering Southwest Jiaotong UniversityChengdu 610031China Universitéde Toulouse INPTUPSIMFT(Institut de Mécanique des Fluides de Toulouse)Allée Camille SoulaToulouseF-31400France CNRS IMFTToulouseF-31400France

The subsoil contains many evaporites such as limestone,gypsum,and *** rocks are very sensitive to *** deposit of evaporites raises questions because of their dissolution with time and the mechanical-geotechnical impact on the neighboring *** on the configuration of the site and the location of the rocks,the dissolution can lead to surface subsidence and,for instance,the formation of sinkholes and *** this study,we present an approach that describes the dissolution process and its coupling with geotechnical *** the first part we set the physico-mathematical framework,the hypothesis,and the limitations in which the dissolution process is *** physical interface between the fluid and the rock(porous)is represented by a diffuse interface of finite *** briefly describe,in the framework of porous media,the steps needed to upscale the microscopic-scale(pore-scale)model to the macroscopic scale(Darcy scale).Although the constructed method has a large range of application,we will restrict it to saline and gypsum *** second part is mainly devoted to the geotechnical consequences of the dissolution of gypsum *** then analyze the effect of dissolution in the vicinity of a soil dam or slope and the partial dissolution of a gypsum pillar by a thin layer of *** theoretical examples show the relevance and the potential of the approach in the general framework of geoengineering problems.

关键词： Dissolution Modelling Scaling evaporite Deformation Plasticity