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Vector IP – A Reconnaissance Approach to Natural Resource Exploration

Publisher –
Zonge, 1994.

Case Study – [pdf] VectorIP_recon

Introduction
One approach providing cost-effective, natural-resource exploration reconnaissance survey data is based on the reconnaissance IP technique (RIP) developed by Kennecott Exploration in the 1970’s. This approach covers large survey areas quickly with minimal logistical support. Zonge has taken RIP into the digital age with vector array IP (VIP). Using harmonic tools, complex resistivity data collected in the VIP mode are presented as vector array IP. With multiple transmitter sites, this VIP data can be converted to tensor array IP. The GDP receiver and 10 or 30 kilowatt GGT-series
transmitter provide an advanced geophysical system capable of measuring IP for these reconnaissance type surveys. In the following discussion, we look at the original Kennecott “wagon wheel” vector system and follow its development and modification to the present day. We present a few model results for surveys over one and two polarizable bodies using both vector and tensor setups. Then we present vector IP field results from the North Silver Bell porphyry copper deposit and from a prospect in Chile, and tensor IP results over a prospect in Arizona.