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Holcombe Coughlin Oliver

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Courses and training

Our strengths:
  ï¿½ 55+ years combined teaching experience
  ï¿½ 70+ years combined field experience in 6 continents in all terrane types
  ï¿½ 60+ years combined research-based theory acquisition

  • Basic courses lay down a foundation of structural tools or geochemical tools common to all terrane types
  • More advanced structure courses focus on the separate field and cross-section requirements of thin-skinned/cordilleran terranes and metamorphic/ basement terranes
  • Geochemical courses & workshops concentrate on developing the links between observation and practical analysis
  • On-site mentoring, working with young professionals to help them learn to deal with terranes that are outside their experience

HCO Training Modules
The model courses contain sets of related modules. In practice, courses are tailored to suit the clients needs and the local terrane type. Training is most effective when courses are delivered in-house and on-site.

1) Elementary modules Entry-level modules tailored for geological staff whose professional background training has been very weak. Includes basic training to recognise and correctly measure bedding; to understand and use combined structural and topographic information; to construct and interpret basic geological maps; and to construct basic cross-sections from field data.

2) Underground and pit mapping modules Basic tools and skills required to produce effective underground or pit geological maps. The course concentrates on providing maps that maximise the data available. The emphasis can be on either, or both, structural mapping or alteration mapping

3) Basic structure modulesBasic structural geology modules common to all terrane types and situations plus sufficient theoretical background to handle anomalous structures. Includes oriented drill-core procedures,with both stereographic and computer processing of results... Aimed at providing refresher courses for geological staff whose structural memory is rusty.

4) Alteration workshop/ mapping course Workshop/on-site course designed to raise skills in recognising, sampling, and mapping alteration patterns. The mapping component focusses on developing useful maps of alteration patterns in a mine or pit context. The workshop is based around using both our �best example� rocks, and your project rocks to recognise and distinguish different patterns of veining, alteration and lithological controls onmineralisation. The emphasis can be on either (or both) mapping practices or on recognition and sampling as a prelude to analysis.

5) Thin-skinned structure modules Geometry, theory and structural tools required to work in dominantly thin-skinned terranes. Includes the gathering and use of dip domain data; the gathering and use of fault kinematic data; construction of balanced cross-sections dealing with thin-skinned and thick-skinned components; recognition of detachment surfaces; linked fault and relay (accommodation) geometries; ...

6) Large hydrothermal systems workshops Three workshop-style modules aimed at improving your capacity to recognise fluid conduits and their metal-carrying or precipitating capacity, turning this into a revised from hand specimens is the focus of link to Module 1. You are shown how to turn this into a revised sampling strategy or methodology, or recognition of specific needs for geochemical work. Basic principles of what to do with geochemical data in conjunction with these rock observations is the focus of the second module link to Module 2. Finally, placing all these observations into the structural context, allows you to connect your spatial/structural and geophysical datasets to the alteration observations and geochemical datasets, as demonstrated in Module 3.

7) Ductile structure modules Structural tools and skills specific to moderately deformed ductile terranes in low to high grade metamorphic rocks. Includes recognising, measuring, and using basic structural foliations and lineations; recognising and using bedding facing and vergence; applying cross-section techniques appropriate to plunging folds in cleaved rocks; using stereographic projections...

8) Advanced structural analysis Tools, skills and theoretical background required to interpret multiply deformed complex structures and shear zones in metamorphic rocks of all grades. Aimed at training geologists working in complex terranes, particularly in metamorphic rocks, or providing in-depth background for procuring, evaluating, and understanding the output of structural specialists and consultants in such terranes.

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