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Zonge is now an agent for GEM Systems Magnetometers

Zonge International is pleased to announce that the company is now a sales agent for GEM Systems magnetometers in the United States. GEM Systems, based in Ontario, Canada is a global leader in the design and manufacture of advanced magnetometers. Their fully-integrated Ground Magnetics survey systems with GPS and optional VLF-EM capability, are known for […]

PDAC 2016 Reflects Optimism in Gold Exploration

My take on this year’s show: Interest in both Exhibitors and Investors convention halls was active, excellent on the Investors side. I was really impressed by the high level of activity in the Investors hall during all four days of the convention. This is where I make many of my contacts. While much interest focused […]

Interpretation of Out-of-loop Data in Large Fixed-loop TEM Surveys

Publisher – SEG, San Antonio 2011 Annual Meeting Author – Les P. Beard*, Zonge International, Tucson, Arizona, USA Case Study – [pdf] MIN_SEG_InterpLargeLoopTEM_LPB_2011 Summary

3D Seismic Data of Arizona Rose Breccia Pipe Reveals Startling Results

Publisher – Zonge, 2010. Case Study – [pdf] MIN_Rose Pipe 3D Seismic\ Summary

Geophysical Case History of North Silver Bell, Arizona: a Supergene-Enriched Porphyry Copper Deposit

Publisher – Zonge, 1996. Authors – Mark W. Thoman, Regional Geologist, Minera Phelps Dodge Mexico, Tucson, Arizona Kenneth L. Zonge, President, Zonge Engineering and Research Organization, Tucson, Arizona Dexin Liu, Geophysicist, Zonge Engineering and Research Organization, Tucson, Arizona Paper – [pdf] Silver Bell Case History Introduction and Summary

Vector IP – A Reconnaissance Approach to Natural Resource Exploration

Publisher – Zonge, 1994. Case Study – [pdf] VectorIP_recon Introduction

Comparison of Dipole-Dipole IP/Resistivity and CSAMT Results Along the Same Line

Publisher – Zonge Case Study – [pdf] Wadi Almarsad Data Comparison Summary

CSAMT Inversion Case Study, Valle de Olivos, Chihuahua, Mexico

Publisher – Zonge, 2002. Case Study – [pdf] MIN_LosOlivos Summary

CSAMT Geophysical Exploration in the Vicinity of IMMSA Mine at Taxco, Guerrero, Mexico

Publisher – Zonge, 2001. Authors – E.V. Reed, Zonge International, Tucson, Arizona, U.S.A. S. Garza Blackaller, IMMSA-Unidad Taxco, Guerrero, Mexico. Case Study – [pdf] MIN_Taxco_v4 Introduction

Geophysical Reinterpretation to Identify New Drill Targets of the Round Top Cu-Mo-Ag Deposit, Illinois Creek District

Publisher – Zonge, 2010. Presented at the 2010 Alaska Miner’s Association Convention, Anchorage, Alaska. Alaska Miner, 2011.  Authors – Kit Marrs, Western Alaska Copper & Gold Company; Nicole Pendrigh, Zonge Engineering, Denver, Colorado, U.S.A. Scott Urquhart, Zonge Engineering, Tucson, Arizona, U.S.A. Paper – (includes images) [pdf] MIN_GP_Reinterpretation_of_Round_Top_v02-24-11 Article – [pdf] MIN_AMA-January Geophysical Reinterpretation_article Abstract