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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 processesMajor element of Jinchuan deposit belongs to the tholeiitic basalts and mid ocean ridge basalt system； incompatible trace element presents as enrichment of LILE， depletion of HFSE， showing the magma suffersAnd 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 geologicalmodeling； Kalatongke； Jinchuan    

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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: analysis，This paper studied the spatial distribution characteristics of platinum group elements in JinchuanNi-Cu-（PGE） sulfide deposit，discussed the dynamic behavior in the process of magma evolution，and theevolution of Jinchuan mafic-ultramafic magma .This study found that the spatial distribution of theOverall，there are a significant decrease in the value of Pd/Ir-Ni/Cu between the four ore bodies fromdirection of Jinchuan magma conduit system is along the strike of the intrusions from northeast to southeast

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&rdquogenerally 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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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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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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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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3D mode discrete element method with the elastoplastic model

Wei HU, Feng JIN, Chong ZHANG, Jinting WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 57-68 doi: 10.1007/s11709-012-0139-9

Abstract: The three-dimensional mode-deformable discrete element method (3MDEM) is an extended distinct elementThe deformation of blocks is expressed by the combination of the deformation modes in 3MDEM.In this paper, the elastoplastic constitutive relationship of blocks is implemented on the 3MDEM platform

Keywords： mode discrete element method     elastoplastic     numerical method     discontinuum     contact    

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3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 100-110 doi: 10.1007/s11709-016-0364-8

Abstract: The experimental results are used in the current study to develop, calibrate and verify 3D finite elementSimulation techniques for improvement of the numerical analysis of multi-martial 3D FE models were discussed

Keywords： 3D finite element     sound wall     rigid polyurethane foam     poly-wall     numerical model     calibration    

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A family of non-conforming crack front elements of quadrilateral and triangular types for 3D crack problemsusing the boundary element method

Guizhong XIE, Fenglin ZHOU, Hao LI, Xiaoyu WEN, Fannian MENG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 332-341 doi: 10.1007/s11465-019-0540-3

Abstract: focuses on establishing non-conforming crack front elements of quadrilateral and triangular types for 3Dcrack problems when the dual boundary element method is applied.

Keywords： Taylor expansion     crack front elements     stress intensity factors     dual boundary element method    

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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

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

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

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

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Journal Article

3D mode discrete element method with the elastoplastic model

Wei HU, Feng JIN, Chong ZHANG, Jinting WANG

Journal Article

3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Journal Article

A family of non-conforming crack front elements of quadrilateral and triangular types for 3D crack problemsusing the boundary element method

Guizhong XIE, Fenglin ZHOU, Hao LI, Xiaoyu WEN, Fannian MENG

Journal Article