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CX-004109: Categorical Exclusion Determination

Phase 2 - A 3D-3C Reflection Seismic Survey and Data Integration to Identify the Seismic Response of Fractures and Permeable Zones over a Known Geothermal Resource: Soda Lake, Churchill County, Nevada
CX(s) Applied: B3.1, B3.7
Date: 09/29/2010
Location(s): Soda Lake, Nevada
Office(s): Energy Efficiency and Renewable Energy, Golden Field Office

Magma Energy Corporation would demonstrate the potential geothermal resource at the Soda Lake geothermal area in Churchill County, Nevada. In Phase 1 (exploration geophysics), Magma collected and interpreted resistivity data from both Magnetotelluric and Controlled-Source Audio-Magnotelluric electrical surveys, and conduct detailed geologic mapping authorized by GFO-10-203 on 3/29/2010. Once collected, data would be integrated into Magma's geographic information system. This data would be used by Magma to target the thermal gradient and production wells to be drilled in Phase II followed with marketing of the results (Phase III). This analysis is for Phase II and Phase III only.