Newberry FORGE: 3D Gravity Density Model for Newberry Volcano


These data are Pacific Northwest National Lab inversions of an amalgamation of two surface gravity datasets: Davenport-Newberry gravity collected prior to 2012 stimulations and Zonge International gravity collected for the project "Novel use of 4D Monitoring Techniques to Improve Reservoir Longevity and Productivity in Enhanced Geothermal Systems" in 2012. Inversions of surface gravity recover a 3D distribution of density contrast from which intrusive igneous bodies are identified. The data indicate a body name, body type, point type, UTM X and Y coordinates, Z data is specified as meters below sea level (negative values then indicate elevations above sea level), thickness of the body in meters, suscept, density anomaly in g/cc, background density in g/cc, and density in g/cc.

The model was created using a commercial gravity inversion software called ModelVision 12.0 ( The initial model is based on the seismic tomography interpretation (Beachly et al., 2012). All the gravity data used to constrain this model are on the GDR:

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Additional Info

DOE Project Name: Frontier Observatory for Research in Geothermal Energy: Newberry, OR
DOE Project Number: EE0007158
DOE Project Lead: Lauren Boyd
DOI: 10.15121/1405035
Last Updated: over a year ago
Data from March, 2016
Submitted Mar 17, 2016


Pacific Northwest National Laboratory


Publicly accessible License 


Alain Bonneville
Pacific Northwest National Laboratory


geothermal, EGS, enhanced geothermal system, FORGE, NEWGEN, gravity, gravity inversion, density, Newberry, Oregon, upper vertex, gravity anomaly, gravity survey, geophysics, geophysical, susceptibility, model, inverse, inversion


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