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Structure & Alteration

SRK focuses on finding deposits within the deposit

Ore, like Hansel & Grettel, always leaves a trail of ‘breadcrumbs’ - the pathway to discovery. Structure and alteration, be they within-mine, near-mine, or in greenfields exploration, are the two most obvious and reliable ‘breadcrumbs’ in most mineralised systems. SRK’s approach to grade control and targeting at all scales, begins with understanding the 4D (space + time) structural setting, alteration and their relationships with/controls on mineral concentration.

The success of SRK Consulting’s structural and alteration geologists has resulted from a strong commercial orientation in locating ore in the system, as opposed to producing generic ore deposit models or broad non-specific frameworks. SRK Consulting provides in-house specialists who integrate structural geology, alteration mapping and geochemistry, employing them as practical tools for defining controls on mineralisation. This ensures that mineralisation targets are defined by more than one or two simple exploration or mining parameters, and are directly focused on adding value to the project."

In the advanced project through operational environment, SRK focusses on ensuring that a sound understanding of the geological and geometric controls on mineralisation is utilised throughout the mining process. SRK geological consultants add value to clients by facilitating communication and linkages between geology and the resource estimation, geotechnical engineering, mine planning and mineral processing disciplines.


  • Detailed structural analysis, from basin to ore deposit scale, emphasising 4D (space + time) controls on mineralisation
  • Detailed analysis of ore-related hydrothermal alteration to determine history of mineralisation, fluid/wallrock interaction, and fluid pathways
  • Regional scale geological mapping and modelling, with emphasis on placing mineralisation within its ‘total geological setting’
  • Mapping of open pit and underground mines to improve ore definition and grade control
  • ‘Tailor-made’, on-site structural geology training courses with a focus on practical tools for the explorationist and mine geologist
  • Integration and interpreation of geolgical and geotechnical data for mine planning
  • Integration of the 4D understanding of the geology and geometry of mineralisation with the resource delineation, estimation, and extraction process
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