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Open-File Report 2010-1171

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

By Brian D. Rodriguez and Jay A. Sampson

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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 and resistivity of the mineralized area beneath overburden, a regional east-west magnetotelluric sounding profile was acquired. This is a data release report of the magnetotelluric sounding data collected along the east-west profile; no interpretation of the data is included.

First posted September 7, 2010

For additional information contact:

USGS Crustal Geophysics and Geochemistry Science Center
Box 25046, Mail Stop 964
Denver, CO 80225

http://crustal.usgs.gov/

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Suggested citation:

Rodriguez, B.D., and Samson, J.S., 2010, Magnetotelluric survey to characterize the Sunnyside porphyry copper system in the Patagonia Mountains, Arizona: U.S. Geological Survey Open-File Report 2010–1171, 56 p.



Contents

Abstract

Introduction

Electrical Rock Properties

Magnetotelluric Method

Magnetotelluric Survey

Magnetotelluric Data

References Cited


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