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Stefan Helwig Email
VP Engineering . Zonge Engineering and Research Organization
Tucson, AZ
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Zonge Engineering was formed in 1972. The main focus of the company\'s early work was to add to the theoretical development of complex resistivity (CR) or spectral IP, which was developed by Ken Zonge under the direction of Dr. John Sumner and with financial help from AMAX. Field measurements (both surface and downhole) were made over known porphyry copper deposits. The results were then applied to reconnaissance CR surveys in an effort to discriminate between IP responses due to sulfides, clays, graphite, EM coupling, culture and other IP sources.Zonge Engineering and Research Organization Address
3322 E. Fort Lowell RdTucson, AZ
United States