Philip E. Wannamaker
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View article: Deformation Controlled Fluid Mass‐Transfer Processes in Ancient Orogens
Deformation Controlled Fluid Mass‐Transfer Processes in Ancient Orogens Open
Despite abundant empirical evidence, the details of coupled deformation and mass transfer processes within a framework of the crustal architecture of ancient orogens remains enigmatic. Geophysical imaging of the Larder Lake‐Cadillac deform…
View article: Deformation controlled fluid mass-transfer processes in ancient orogens 
Deformation controlled fluid mass-transfer processes in ancient orogens  Open
Despite abundant empirical evidence, the details of coupled deformation and mass transfer processes within a framework of the crustal architecture of ancient orogens remains enigmatic. Geophysical imaging of the Larder Lake-Cadillac deform…
View article: Utah FORGE: Southwestern Utah Magnetotelluric (MT) Data
Utah FORGE: Southwestern Utah Magnetotelluric (MT) Data Open
This comprehensive magnetotellurics (MT) dataset, which covers southwestern Utah, integrates 600 sites from various surveys, including those from the Utah FORGE, SubTER, and Play Fairway projects, all of which are linked below. The core of…
View article: Hawai‘i Play Fairway (Final Report)
Hawai‘i Play Fairway (Final Report) Open
Most of Hawai'i's geothermal resources are blind—their manifestations, such as hot springs and steam vents, do not appear on the ground surface because the heated water flows far below. With the exception of $K\\bar{i}lauea East Rift Zone$…
View article: Geothermal Fault Zone and Fluid Imaging through Joint Airborne ZTEM and Ground MT Data Inversion Analysis
Geothermal Fault Zone and Fluid Imaging through Joint Airborne ZTEM and Ground MT Data Inversion Analysis Open
This project has aimed to achieve detailed electrical resistivity resolution at geothermal reservoir scales by combining airborne natural electromagnetic (EM) field surveying (ZTEM) with ground magnetotelluric (MT) measurements to approxim…
View article: Utah FORGE Telluric Monitoring Experiment Transfer Functions
Utah FORGE Telluric Monitoring Experiment Transfer Functions Open
The Utah Frontier Observatory for Research in Geothermal Energy (FORGE) attempted a stimulation at well 16A(78)-32 during April and May 2022. We recorded telluric and magnetotelluric (MT) data before, during, and after the well stimulation…
View article: 3-D Inversion of MT Data From the Raft River Geothermal Field - Preliminary Results
3-D Inversion of MT Data From the Raft River Geothermal Field - Preliminary Results Open
Geothermal systems are, in many cases, characterized by geoelectric structures with discernible anomalous zones, related to the presence of fluids and conductive alteration minerals. The MT method has been successfully used since the 1970’…
View article: Plumbing and architecture of a crustal mineralizing system in the Archean Superior Province, Canada
Plumbing and architecture of a crustal mineralizing system in the Archean Superior Province, Canada Open
<p>The role of melts and magmatic/metamorphic fluids in mineralization processes is well established. However, the role of crustal architecture in defining source and sink zones in the middle to lower crust remains enigmatic. Integra…
View article: Vectoring into Potential Blind Geothermal Systems in the Granite Springs Valley Area, Western Nevada: Application of the Play Fairway Analysis at Multiple Scales
Vectoring into Potential Blind Geothermal Systems in the Granite Springs Valley Area, Western Nevada: Application of the Play Fairway Analysis at Multiple Scales Open
The Great Basin region of the western USA is capable of generating much greater amounts of geothermal energy than currently produced. Most geothermal resources in this region are blind, and thus the favorable characteristics for geothermal…
View article: Thermal Regime, Legacy Structures, Upper Mantle Hydration and Lithospheric-Scale Magmatic Processes of the Antarctic Interior from Regional-Scale Electrical Properties
Thermal Regime, Legacy Structures, Upper Mantle Hydration and Lithospheric-Scale Magmatic Processes of the Antarctic Interior from Regional-Scale Electrical Properties Open
Earth and Space Science Open Archive posterOpen AccessYou are viewing the latest version by default [v1]Thermal Regime, Legacy Structures, Upper Mantle Hydration and Lithospheric-Scale Magmatic Processes of the Antarctic Interior from Regi…
View article: Play Fairway Analysis: Structurally Controlled Geothermal Systems in the Eastern Great Basin Extensional Regime, Utah
Play Fairway Analysis: Structurally Controlled Geothermal Systems in the Eastern Great Basin Extensional Regime, Utah Open
A research team with membership from the University of Utah/Energy & Geoscience Institute, the University of Utah/Dept. of Geology & Geophysics, and the Utah Geological Survey, undertook a play fairway analysis (PFA) for geothermal resourc…
View article: Utah FORGE: Phase 3 Magnetotelluric (MT) Data
Utah FORGE: Phase 3 Magnetotelluric (MT) Data Open
New high-quality tensor MT data at 122 sites, including the vertical magnetic field and utilizing ultra-remote referencing, have been acquired over the Utah FORGE project area. The results will be used to delineate the densities of faults …
View article: Utah FORGE: Phase 2C Topical Report
Utah FORGE: Phase 2C Topical Report Open
This is the topical report that wraps up the work and results achieved during Utah FORGE Phase 2C. The zip file includes several folders containing (1) an overview; (2) the results; (3) the lessons learned; and (4) the conclusions. It also…
View article: Microseismic Event Detection Using Multiple Geophone Arrays in Southwestern Utah
Microseismic Event Detection Using Multiple Geophone Arrays in Southwestern Utah Open
We conducted four geophone array experiments in southwestern Utah between July 2016 and October 2017 to characterize regional levels of microseismicity. Each experiment comprised between 48 and 93 geophones and recorded continuously for ~3…
View article: Architecture of the hidden Penokean terrane suture and Midcontinent rift system overprint in eastern Minnesota and western Wisconsin from magnetotelluric profiling
Architecture of the hidden Penokean terrane suture and Midcontinent rift system overprint in eastern Minnesota and western Wisconsin from magnetotelluric profiling Open
© 2017 The Authors. We resolved the architecture of the early Proterozoic Penokean orogen suture and late middle Proterozoic (Keweenawan) Midcontinent rift system magmatic overprint in east-central Minnesota and western Wisconsin through r…
View article: Author Correction: Uplift of the central transantarctic mountains
Author Correction: Uplift of the central transantarctic mountains Open
The original version of this Article incorrectly referenced the Figures in the Supplementary Information. References in the main Article to Supplementary Figure 7 through to Supplementary Figure 20 were previously incorrectly cited as Supp…
View article: Utah FORGE: Well Data for Student Competition
Utah FORGE: Well Data for Student Competition Open
Well 58-32 (previously labeled MU-ESW1) was drilled near Milford Utah during Phase 2B of the FORGE Project to confirm geothermal reservoir characteristics met requirements for the final FORGE site. Well Accord-1 was drilled decades ago for…
View article: Integrating Magnetotellurics, Soil Gas Geochemistry and Structural Analysis to Identify Hidden, High Enthalpy, Extensional Geothermal Systems
Integrating Magnetotellurics, Soil Gas Geochemistry and Structural Analysis to Identify Hidden, High Enthalpy, Extensional Geothermal Systems Open
Our research group comprising personnel from University of Utah/EGI (UU/EGI), University of Nevada at Reno (UNR) and Lawrence Berkeley National Laboratory (LBNL) has been applying magnetotellurics (MT), diagnostic structural affiliations, …
View article: Eastern Great Basin Geothermal Play Fairway Analysis Report
Eastern Great Basin Geothermal Play Fairway Analysis Report Open
This is the final report for the second phase of geological, geophysical, and geochemical data collection and processing for the Eastern Great Basin Geothermal Play Fairway Analysis project.
View article: Tularosa Basin Play Fairway Analysis: Modeled MT Resistivity Data for the McGregor Range, New Mexico
Tularosa Basin Play Fairway Analysis: Modeled MT Resistivity Data for the McGregor Range, New Mexico Open
This is the inversion resistivity data from a magnetotelluric survey done as part of Phase 2 Tularosa Basin, New Mexico, geothermal play fairway analysis. The data covers part of McGregor Range, Fort Bliss. The inversion was done by Phil W…
View article: Geothermal Exploration Raster Files for Utah Play Fairway Analysis
Geothermal Exploration Raster Files for Utah Play Fairway Analysis Open
This submission contains raster files associated with several datasets that include earthquake density, Na/K geothermometers, fault density, heat flow, and gravity. Integrated together using spatial modeler tools in ArcGIS, these files can…
View article: Structurally Controlled Geothermal Systems in the Central Cascades Arc-Backarc Regime, Oregon
Structurally Controlled Geothermal Systems in the Central Cascades Arc-Backarc Regime, Oregon Open
The goal of this project has been to analyze available magnetotelluric (MT) geophysical surveys, structural geology based on mapping and LiDAR, and fluid geochemical data, to identify high-temperature fluid upwellings, critically stressed …
View article: Fracture Network and Fluid Flow Imaging for Enhanced Geothermal Systems Applications from Multi-Dimensional Electrical Resistivity Structure
Fracture Network and Fluid Flow Imaging for Enhanced Geothermal Systems Applications from Multi-Dimensional Electrical Resistivity Structure Open
We have developed an algorithm for the inversion of magnetotelluric (MT) data to a 3D earth resistivity model based upon the finite element method. Hexahedral edge finite elements are implemented to accommodate discontinuities in the elect…