Structural controls on the emplacement of the vein-type tungsten-tin ore at Mount Carbine, Queensland, Australia

Roo, J. A. de

doi:10.2113/gsecongeo.83.6.1170

Cited by 9 publications

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“…Taylor, 1984;De Roo, 1988;Baudemont and Fedorowich, 1996;Broadbent et al, 1998;Yigit et al, 2003;Jolley et al, 2004;Haest et al, 2007), and shown by the examples of vein-type mineralization in this paper. At camp and deposit scales, such structural controls are represented by strain localization (shear strain and dilation), the formation of linear structures (faults, shear zones and fractures) and the reactivation of pre-existing structures, which in turn influence fluid flow and mineral precipitation.…”

Section: Discussionmentioning

confidence: 52%

“…Examples of structural controls on mineralization (e.g. fault, thrust-fracture or folds) include: (1) the Silvermines PbeZn deposit in Ireland (Taylor, 1984); (2) Mount Carbine WeSn deposit, Queensland, Australia (De Roo, 1988); (3) Dominique-Peter U deposit, Saskatchewan, Canada (Baudemont and Fedorowich, 1996); (4) Century Zn deposit, Northwest Queensland, Australia (Broadbent et al, 1998); (5) Carlin-type Au deposit in the Gold Bar District, Nevada (Yigit et al, 2003). (6) Au deposits in the Witwatersrand basin (Jolley et al, 2004) and Bendigo, Australia (Schaubs and Wilson, 2002); (7) the CueAg deposits of D. R. Congo (Haest et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Numerical modelling of structural controls on fluid flow and mineralization

Zhang

Robinson

Schaubs

2011

Geoscience Frontiers

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This paper presents the results of a set of numerical models focussing on structural controls on hydrothermal mineralization. We first give an overview of natural phenomena of structurally-controlled ore formation and the background theory and mechanisms for such controls. We then provide the results of a group of simple 2D numerical models validated through comparison with Cu-vein structure observed near the Shilu Copper deposit (Yangchun, Guangdong Province, China) and finally a case study of 3D numerical modelling applied to the Hodgkinson Province in North Queensland (Australia). Two modelling approaches, discrete deformation modelling and continuum coupled deformation and fluid flow modelling, are involved. The 2D model-derived patterns are remarkably consistent with the Cu-vein structure from the Shilu Copper deposit, and show that both modelling approaches can realistically simulate the mechanical behaviours of shear and dilatant fractures. The continuum coupled deformation and fluid flow model indicates that pattern of the Cuveins near the Shilu deposit is the result of shear strain localization, development of dilation and fluid focussing into the dilatant fracture segments. The 3D case-study models (with deformation and fluid flow coupling) on the Hodgkinson Province generated a number of potential gold mineralization targets. ª 2011, China University of Geosciences (Beijing) and Peking University. Production and hosting by Elsevier B.V. All rights reserved.

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