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Rod Holcombe (PhD) has over 40 years of structural analysis experience in orogenic systems as both a teaching/research academic and a consultant to the minerals exploration industry. He is a specialist in the structural analysis of complex metamorphic terranes and shear zones with experience in Precambrian and Phanerozoic terranes in Australia, New Zealand, USA, Brazil, Argentina, Uruguay, Peru, Thailand, Laos, East and West Africa, the Balkans, Finland, and Siberia, and
has considerable experience in structural training for geologists. Rod trades under the name HolcombeCoughlinOliver |
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Tim Coughlin (MSc, PhD) is a structural geologist with particular experience in frontier target generation and risk analysis in emerging and developing countries. |
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Nick Oliver (PhD) is a specialist in mineralised hydrothermal systems, particularly in strongly structured environments. Experience includes IOCG, U and Mo (Mount Isa-Cloncurry region), sediment and volcanic-hosted base metals (Century Zn, Mount Isa Cu-Pb-Zn, Chillagoe skarn Cu-Zn-Au, Finland Zn-Cu), greenstone-, BIF- and black slate-hosted vein gold deposits (Yilgarn, Iron Quadrangle, Brasilia Fold Belt, central Siberia), giant iron ores (Pilbara, Transvaal), and epithermal gold (Taupo and Coromandel, Drummond Basin Queensland). Nick provides practical approaches to deal with complex alteration systems, restructuring of geochemical datasets and strategies, and identification of fluid pathways in complexly deformed rocks, for improved ore deposit and exploration models. He has 20 years experience in industry contract and collaborative research and focussed short course training with juniors to majors, including 13 years as the Professor of Economic Geology and Director of the Economic Geology Research Unit at James Cook University Nick trades under the name OttoRes |
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Our operation HCO operates as a partnership between the business entities of the three principals. We offer shared services and products where possible, yet can operate independently if necessary. |
Exploration philosophy The thread that joins us is a common conviction that exploration solutions should flow from a detailed understanding of the structural geometry and the time-space framework. That is, interpretations should be solidly based on field data, and not be over-reliant on theoretical models. But where exploration risk requires application of theory then that theory should be as solidly bound in observation as possible. |
HolcombeCoughlinOliver is a consortium of three independent international geological consultancies (European and Australian-based) specialising in the application of modern structural geology and hydrothermal fluid geochemistry to the global resource industry [download flyer (280 Kb) ]

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