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A comparison of geology geochemical characteristics between the Kalatongke and the Jinchuan Cu-Ni sulfidedeposit and its significance

Dai Junfeng,Gong Lei and Fan Lifei, Wang Yong, Zhao Binbin

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 85-96

Abstract: element from Cu-Ni sulfide deposits between Kelatongke and Jinchuan， meanwhile， combing different tectonicsetting and rock series of these two types of deposits， we study their magmatic and mineralization processes； incompatible trace element presents as enrichment of LILE， depletion of HFSE， showing the magma suffersfrom contamination of crust materials or there are materials of subducted oceanic crust in the sourceAnd we also predicted the magma conduit and mineralization potential of two ore deposits by 3D geological

Keywords： magmatic Cu-Ni sulfide deposit； magma source； crustal contamination； trace element； rock series； 3D geological    

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Moving direction of magmatic conduit metallogenic system in Jinchuan Cu-Ni （PGE） sulfide deposit

Liu Meiyu,Su Shangguo and Song Chen,Cai Nan

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 73-84

Abstract: ，This paper studied the spatial distribution characteristics of platinum group elements in Jinchuan Ni-Cu-（PGE） sulfide deposit，discussed the dynamic behavior in the process of magma evolution，and the evolutionof Jinchuan mafic-ultramafic magma .This study found that the spatial distribution of the platinum groupOverall，there are a significant decrease in the value of Pd/Ir-Ni/Cu between the four ore bodies fromIntegrated geochemical and magma dynamics information，finally obtained the conclusion that the moving

Keywords： Jinchuan； Cu-Ni-（PGE）； sulfide deposit； magma conduit metallogenic system；moving direction； quantitative    

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Main metallogenic tectonic settings of magmatic Cu-Ni (PGE) sulfide deposits in China

Qian Zhuangzhi,Duan Jun,Feng Yanqing,Xu Gang, Zhang Jiangjiang

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 19-28

Abstract:

This article summarized the main metallogenic tectonic settings of the magmatic Cu-Ni (PGE) depositsComparing the findings with other countries， the result showed that China lacks the magmatic sulfide

Keywords： Cu-Ni(PGE) ；magmatic sulfide deposits； metallogenic tectonic setting； main types； China    

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Discussion on Cu-Ni prospecting evaluation index at eastern Tianshan

Liu Huan,Jiao Jiangang and Zhang Guopeng、Gao Dong、Shao Leqi

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 106-112

Abstract:

The magmatic Cu-Ni sulfide deposit is mainly hosted in mafic-ultramafic intrusions which are generallyThis forms a large number of deposits which we call “mall intrusion forming large deposit&rdquothis paper，based on previous studies，we take eastern Tianshan as an example，compare and analyze the geologicalgenerally characteristic by right incline in Chondrite normalized REE pattern diagrams；several stages of magmaintruding are important；a certain amount of orthopyroxene is contained in the rock；the mineral grains

Keywords： Cu-Ni sulfide deposit； prospecting evaluation index； eastern Tianshan    

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The roles of volatiles in mineralizations of magmatic Ni-Cu-PGE sulfide deposits—Implications for potentialmetallogenic mechanism of super-large scale magmatic deposits in small magma

Zhang Mingjie,Tang Qingyan and Li Wenyuan,Yu Ming、Hu Peiqing、Li Jianping

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 40-49

Abstract:

The resources of nickel and platinum group element (PGE) are contributed by super-large scale magmaticIn this paper， on the basis of the behaviors of Ni， Cu and PGE in the processes of partial melting， magmasaturation and the immiscibility of the sulfide liquid phase during the magmatism of Ni-Cu-PGE sulfidemagma， and the sulfide segregation will form super-large scale Ni-PGE sulfide deposits in a large scaleIt is possible to be the metallogenic mechanism of magmatic Ni-PGE sulfide deposits by small mantle derived

Keywords： volatile； small intrusion； mantle-derived magma； mineralizations    

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3D interpolation-approximation fitting construction method for complex geological surfaces

Li Mingchao,Miao Zhengjian,Liu Fei,Wang Gang

Strategic Study of CAE 2011, Volume 13, Issue 12,   Pages 103-107

Abstract:

Based on multi-source data, a fitting geological surface is requiredAn approach of complex geological surface reconstruction which combines interpolation with approximationFinally, the integrated surface is analyzed and modified by checking the rationality of geological structurethe approach can satisfy practical demands of engineering geologists and offer elements to further 3Dgeological modeling.

Keywords： geological surface     interpolation-approximation fitting     3D construction     multi-source geological data    

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The theory on small intrusions forming large deposits and its exploration significance—Taking for magmaticNi-Cu sulfide deposits example in the northwestern of China

Li Wenyuan,Zhang Zhaowei and Chen Bo

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 29-34

Abstract: deposits put forward by academician Zhongli Tang was a recapitulative summary by Long-term studying of magmaticNi-Cu sulfide deposits which related to mafic-ultramafic intrusions.Our study is about the mineralization of Ni-Cu sulfide deposits which related to mafic-ultramafic intrusionspaper，we have discussed the theory of small intrusions forming large deposits，considering that mantle magmaAfter summarizes the prospecting fact of magmatic Ni-Cu sulfide deposits in the northwestern of China

Keywords： mafic-ultramafic intrusions； magmatic Ni-Cu sulfide deposits； small intrusions forming large deposits    

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3D finite element method (FEM) simulation of groundwater flow during backward erosion piping

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 160-166 doi: 10.1007/s11709-014-0257-7

Abstract: In this work, a 3D numerical approach of the groundwater flow leading to the erosion mechanism of backwardComparison of the 2D and 3D numerical results explicitly demonstrates the inherent 3D nature of the pipingThe results clearly indicate the superiority of the presented 3D numerical model compared to the established2D approach.Moreover, the 3D numerical results enable a better understanding of the complex physical mechanism involved

Keywords： backward erosion piping     groundwater flow     3D finite element method (FEM)    

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Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 63-66 doi: 10.1007/s11709-009-0006-5

Abstract: Based on 1D infinite element theory, the coordinate transformation and shape function of 3D point-radiationindicate that when the prestressed force acts on the anchor segment, the stresses and displacements in the rockThe calculation results of the infinite element are close to the theoretical results.

Keywords： infinite element     prestressed anchor     couple     finite element    

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The Practice of Forward Prospecting of Adverse Geology Applied to Hard Rock TBM Tunnel Construction: Article

Shucai Li, Lichao Nie, Bin Liu

Engineering 2018, Volume 4, Issue 1,   Pages 131-137 doi: 10.1016/j.eng.2017.12.010

Abstract: However, when a TBM encounters adverse geological conditions in the course of tunnel construction (e.gwater conveyance project from Songhua River as a case study in order to propose a comprehensive forward geologicalprospecting technical system that is suitable for TBM tunnel construction under complicated geologicalBy combining geological analysis with forward geological prospecting using a three-dimensional (3D) inducedpolarization method and a 3D seismic method, a comprehensive forward geological prospecting technical

Keywords： Hard rock TBM tunnels     Comprehensive forward prospecting     Geological analysis     3D induced polarization     3D    

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Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 428-434 doi: 10.1007/s11709-009-0059-5

Abstract: In this paper, the 3D elastic-plastic finite element method (FEM) was used to analyze the mechanical

Keywords： different     strength     asphalt-concrete pavement     FEM     appropriate stiffness    

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Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 24-31 doi: 10.1007/s11709-013-0190-1

Abstract: The rigid-body limit equilibrium method cannot reflect the actual stress distribution in a rock mass,and the finite-element-based strength reduction method also has some problems with respect to convergencethese problems, a multi-grid method was adopted in this study to establish a structural grid for finite elementstability safety factor for any slip surface or slide block through a combination of nonlinear finite elementTo increase the scale and accuracy of the computation, TFINE, a finite element parallel computation program

Keywords： slope     stability     multi-grid method     nonlinear     finite element method    

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An end-to-end 3d seismic simulation of underground structures due to point dislocation source by using

Zhenning BA; Jisai FU; Zhihui ZHU; Hao ZHONG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1515-1529 doi: 10.1007/s11709-022-0887-0

Abstract: advantage of this approach is that it realizes the entire process simulation from point dislocation sourcethe FK-FEM hybrid approach can reflect the spatial variability of seismic motion and the influence of sourcein regions where strong earthquakes may occur but are not recorded, especially when active faults, crustalunderground structure is simulated after verifying the correctness of the approach and the effects of crustalvelocity structure and source parameters on the seismic response of Daikai station are discussed.

Keywords： source-to-structure simulation     FK-FEM hybrid approach     underground structures     point dislocation source    

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3D geology-hydrotechnics cooperative design system of hydraulic and hydroelectric engineering

Li Mingchao,Zhong Denghua,Wang Zhongyao,LiuJie

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 43-47

Abstract:

Based on 3D geological modeling technique, rapid modeling technique ofhydraulic structures, and computer supported collaborative design technique, the 3D geology-hydrotechnicsThe system includes four modules: 3D geological modeling, hydraulic structure modeling, engineering-geologicalThe modeling modules offer the analysis-design module different kinds of 3D models.It can offer technical supports to 3D design of hydraulic and hydroelectric engineering.

Keywords： cooperative design     3D geological modeling     3D hydrotechnics design     visualization    

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Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 675-689 doi: 10.1007/s11709-020-0625-4

Abstract: In this article, equivalent single layer approach is utilized for dynamic finite element procedures of3D composite beam as the building block of numerous composite structures.Then, the model is discretized using finite element procedures.Furthermore, from the viewpoint of consistent geometric decomposition theorem, the transformation and elementThe same decomposition idea can be used for developing element stiffness matrix.

Keywords： composite beam     dynamic finite element     degrees of freedom coupling     experimental validation     numerical validation    

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Title Author Date Type Operation

A comparison of geology geochemical characteristics between the Kalatongke and the Jinchuan Cu-Ni sulfidedeposit and its significance

Dai Junfeng,Gong Lei and Fan Lifei, Wang Yong, Zhao Binbin

Journal Article

Moving direction of magmatic conduit metallogenic system in Jinchuan Cu-Ni （PGE） sulfide deposit

Liu Meiyu,Su Shangguo and Song Chen,Cai Nan

Journal Article

Main metallogenic tectonic settings of magmatic Cu-Ni (PGE) sulfide deposits in China

Qian Zhuangzhi,Duan Jun,Feng Yanqing,Xu Gang, Zhang Jiangjiang

Journal Article

Discussion on Cu-Ni prospecting evaluation index at eastern Tianshan

Liu Huan,Jiao Jiangang and Zhang Guopeng、Gao Dong、Shao Leqi

Journal Article

The roles of volatiles in mineralizations of magmatic Ni-Cu-PGE sulfide deposits—Implications for potentialmetallogenic mechanism of super-large scale magmatic deposits in small magma

Zhang Mingjie,Tang Qingyan and Li Wenyuan,Yu Ming、Hu Peiqing、Li Jianping

Journal Article

3D interpolation-approximation fitting construction method for complex geological surfaces

Li Mingchao,Miao Zhengjian,Liu Fei,Wang Gang

Journal Article

The theory on small intrusions forming large deposits and its exploration significance—Taking for magmaticNi-Cu sulfide deposits example in the northwestern of China

Li Wenyuan,Zhang Zhaowei and Chen Bo

Journal Article

3D finite element method (FEM) simulation of groundwater flow during backward erosion piping

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Journal Article

Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Journal Article

The Practice of Forward Prospecting of Adverse Geology Applied to Hard Rock TBM Tunnel Construction:

Shucai Li, Lichao Nie, Bin Liu

Journal Article

Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Journal Article

Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Journal Article

An end-to-end 3d seismic simulation of underground structures due to point dislocation source by using

Zhenning BA; Jisai FU; Zhihui ZHU; Hao ZHONG

Journal Article

3D geology-hydrotechnics cooperative design system of hydraulic and hydroelectric engineering

Li Mingchao,Zhong Denghua,Wang Zhongyao,LiuJie

Journal Article

Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Journal Article