Mechanisms of faulting and permeability enhancement during epithermal mineralisation: Cracow goldfield, Australia
The geometries, kinematics, and failure mechanisms of epithermal fault-vein networks are examined at the Cracow goldfield, Queensland, Australia, and compared with observations of active geothermal areas. Quartz-carbonate cementation and precious metal mineralisation is confined to a network of steeply dipping faults (>70°). Breccia textures indicate fault rock formed from repeated events, involving large components of dilation during fracture, wall-rock fragmentation, and mineral...[Show more]
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|Source:||Journal of Structural Geology|
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