Finite Element Modelling of Three-Dimensional Steady-State Convection and Lead/Zinc Mineralization in Fluid-Saturated Rocks

Chongbin Zhao, B. E. Hobbs, H. B. Mühlhaus, A. Ord, Ge Lin

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We use the finite element method to model three-dimensional steady-state convective pore-fluid flow and the relevant mineralization in fluid-saturated rocks when they are heated from below. In particular, we investigate lead/zinc precipitation and dissolution patterns caused by the reactive sulfide and sulfate fluids mixing in three-dimensional hydrothermal systems. The related numerical results demonstrated that: (1) The finite element method is useful in and applicable to the modelling of three-dimensional ore body formation and mineralization problems in fluid-saturated porous rocks; (2) The mixing of reactive sulfide and sulfate fluids is an important mechanism to generate high-grade lead/zinc deposits in three-dimensional hydrothermal systems in the upper crust of the Earth.

Original languageEnglish
Pages (from-to)73-89
Number of pages17
JournalJournal of Computational Methods in Sciences and Engineering
Volume3
Issue number1
DOIs
Publication statusPublished - 1 Jan 2003
Externally publishedYes

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