The influence of faulting on host-rock permeability, fluid flow and ore genesis of gold deposits: A theoretical 2D numerical model

Journal of Geochemical Exploration

Volumn 78-79, Issue , 2003, Pages 279-284

  Zhang, Y ^a,b   Hobbs, B E ^a   Ord, A ^a   Barnicoat, A ^c   Zhao, C ^a,b   Walshe, J L ^a   Lin, Ge ^b  

^a Department of Civil and Environmental Engineering   (Australia)

^b GUANGZHOU INSTITUTE OF GEOCHEMISTRY   (China)

^c UNIVERSITY OF LEEDS   (United Kingdom)

Author keywords

Coupled deformation fluid flow chemical reaction modelling; Faulting; Fluid flow; Mineral precipitation

Indexed keywords

FLOW PATTERNS; MATHEMATICAL MODELS; MECHANICAL PERMEABILITY; ORES; ROCKS;

COUPLED DEFORMATION FLUID FLOW CHEMICAL REACTION MODELING; FAULTING; MINERAL PRECIPITATION;

GOLD DEPOSITS;

CHEMICAL REACTION; FAULTING; FLUID FLOW; GOLD; HOST ROCK; NUMERICAL MODEL; ORE DEPOSIT; PARAGENESIS; PERMEABILITY; PRECIPITATION (CHEMISTRY); TWO-DIMENSIONAL MODELING;

EID: 14744300693     PISSN: 03756742     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0375-6742(03)00075-X     Document Type: Conference Paper

References (14)

1. Barnes, H.L., 1979. Geochemistry of Hydrothermal Ore Deposits. Wiley, New York.
2. Barnicoat, A.C., Henderson, I., Knipe, R.J., Yardley, B.W.D., Napier, R.W., Fox, N.P.C., Kenyon, A.K., Muntingh, D.J., Strydom, D., Winkler, K.S., Lawrence, S.R., Cornford, C., 1997. Hydrothermal gold mineralization in the Witwatersrand basin. Nature 386, 820-824.
3. Connolly, P., Cosgrove, J., 1999. Prediction of static and dynamic fluid pathways within and around dilational jogs. In: McCaffrey, K.J.W., Lonergan, L., Wilkinson, J.J. (Eds.), Fractures, Fluid Flow and Mineralization. Geological Society, London, Special Publications, vol. 155, pp. 105-121.
4. Cox, S.F., 1999. Deformational controls on the dynamics of fluid flow in mesothermal gold systems. In: McCaffrey, K.J.W., Lonergan, L., Wilkinson, J.J. (Eds.), Fractures, Fluid Flow and Mineralization. Geological Society, London, Special Publications, vol. 155, pp. 123-139.
5. Cox, S.F., Knackstedt, M.A., Braun, J., 2001. Principles of structural control on permeability and fluid flow in hydrothermal systems. Reviews in Economic Geology 14, 1-24.
6. Cundall, P.A., Board, M., 1988. A microcomputer program for modelling large-strain plasticity problems. In: Swoboda, C. (Ed.), Numerical Methods in Geomechanics, Proceedings of the Sixth International Conference on Numerical methods in Geomechanics, Balkema, Rotterdam, pp. 2101-2108.
7. Fluid Dynamics International, 1997. Fluid Dynamics Analysis Package: FIDAP. Fluid Dynamics International, IL, USA.
8. Jones, G., Knipe, R.J., 1996. Seismic attribute maps; application to structural interpretation and fault seal analysis in the North Sea Basin. First Break 14 (12), 449-461.
9. Knipe, R.J., 1993. The influence of fault zone processes and diagenesis on fluid flow. In: Horbury, A.D., Robinson, A.G. (Eds.), Diagenesis and Basin Development. Studies in Geology, vol. 36. American Association of Petroleum Geologists (AAPG), Tulsa, OK, pp. 135-154.
10. Lee, Y.J., Wiltschko, D.V., 2000. Fault controlled sequential vein dilation: competition between slip and precipitation rates in the Austin Chalk, Texas. Journal of Structural Geology 22, 1247-1260.
11. Sibson, R.H., 1994. Crustal stress, faulting and fluid flow. In: Parnell, J. (Ed.), Geofluids: Origin, Migration and Evolution of Fluids in Sedimentary Basins. Geological Society, London, Special Publications, vol. 78, pp. 69-84.
12. Vermeer, P.A., de Borst, R., 1984. Non-associated plasticity for soils, concrete and rock. Heron 29, 1-64.
13. Zhao, C., Hobbs, B.E., Mühlhaus, H.B., Ord, A., 1999. A consistent point-searching algorithm for solution interpolation in unstructured meshes consisting of 4-node bilinear quadrilateral elements. International Journal for Numerical Methods in Engineering 45, 1509-1526.
14. Zhao, C., Hobbs, B.E., Muhlhaus, H.B., Ord, A., Lin, G., 2000. Numerical modelling of double diffusion driven reactive flow transport in deformable fluid-saturated porous media with particular consideration of temperature-dependent chemical reaction rates. International Journal for CAE and Software: Engineering Computations 17, 367-385.