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Open-File Report 2010-1311

Audio-Magnetotelluric Survey to Characterize the Sunnyside Porphyry Copper System in the Patagonia Mountains, Arizona

By Jay A. Sampson and Brian D. Rodriguez

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The Sunnyside porphyry copper system is part of the concealed San Rafael Valley porphyry system located in the Patagonia Mountains of Arizona. The U.S. Geological Survey is conducting a series of multidisciplinary studies as part of the Assessment Techniques for Concealed Mineral Resources project. To help characterize the size, resistivity, and skin depth of the polarizable mineral deposit concealed beneath thick overburden, a regional east-west audio-magnetotelluric sounding profile was acquired. The purpose of this report is to release the audio-magnetotelluric sounding data collected along that east-west profile. No interpretation of the data is included.

First posted December 29, 2010

For additional information contact:

USGS Central Mineral and Environmental Resources Science Center
Box 25046, Mail Stop 973
Denver, CO 80225

http://minerals.cr.usgs.gov/

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Suggested citation:

Sampson, J.A., and Rodriguez, B.D., 2010, Audio-magnetotelluric survey to characterize the Sunnyside porphyry copper system in the Patagonia Mountains, Arizona: U.S. Geological Survey Open-File Report 2010–1311, 57 p.



Contents

Abstract

Introduction

Audio-Magnetotelluric Survey Across the Sunnyside Porphyry Copper System

Audio-Magnetotelluric Data Collected in the Sunnyside Survey

References Cited

Audio-Magnetotelluric Data Diagrams


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