

Ronnie Therriault, M.Sc., P.Geo.
Professional Economic Geologist | 25+ Years in Mineral Exploration Across Canada & Beyond
Specializing in Archean Gold Systems – From Target Generation to NI 43-101 Reporting

About Ronnie Therriault, M.Sc., P.Geo.
I'm Ronnie Therriault, a Professional Economic Geologist (P.Geo.) with over 25 years of hands-on experience in mineral exploration and economic geology across Canada, South America, Southeast Asia, and Australia.
My work has spanned a wide variety of metal deposit types, including:
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Archean shear/vein gold
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Iron formation-hosted gold
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Intrusion-hosted gold
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Epithermal gold
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Magmatic Cu-Ni +/- PGE
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Volcanic-hosted massive sulphides
Over the years, I've built strong, practical skills applicable at every stage of exploration—from early-stage target generation to advanced programs and regulatory compliance. These include:
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High proficiency in ArcGIS, Touch GIS, QGIS, Leapfrog and Garmin programs for mapping, data compilation, and reporting
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Extensive experience leading compilation projects, from small, budget-friendly efforts to large-scale syntheses at former mine sites and legacy datasets
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Preparation and authorship of several NI 43-101 Technical Reports for Canadian mineral disclosure standards
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Preparation and filing of numerous Ontario assessment reports and plan/permit applications through the MLAS platform
I worked with the Ontario Ministry of Energy, Northern Development and Mines (now Ministry of Mines) for four years, where I gained in-depth regulatory knowledge, including:
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Reviewing and recommending on plan/permit applications, Advanced Exploration projects, and Closure Plans
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Coordinating consultations with proponents and First Nations communities across Northwest Ontario
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Navigating complex permitting processes and ensuring compliance with provincial requirements
Based in Thunder Bay, Ontario, I now offer independent consulting services tailored to junior exploration companies, mid-tier miners, and other stakeholders needing reliable, field-tested expertise in gold, base metals, Ni-Cu systems, and more. My portfolio includes dozens of assessment reports, NI 43-101 filings, field programs, and data reinterpretations—many publicly available and verifiable.
Whether you're advancing a grassroots target, managing drill programs, compiling historical data, or preparing technical disclosures, I'm equipped to deliver efficient, high-quality support.
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For more details on services and rates
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For more information on previous projects I've worked on
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To view/download my resume and publications
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To get in touch
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