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"hydrothermal alteration minerals"×

Coso Geothermal Spectral Library for Rocks and Minerals

Aug 23, 2023
380.31 MB
Publicly accessible
An integrated open mineral spectral library designed to enhance the utility and precision of mineral spectral data for geothermal exploration, developed from a reliable and comprehensive digital dataset for seamless sharing by integrating field data, the USGS spectral library, and...
Authors
Cavur, M. et al Mining Engineering Department of Colorado School of Mines
geothermalenergyhydrothermalspectroscopyspectral databasecosogeologycoso geothermal fieldgcfcaliforniaspectral libraryhydrothermal alterationalteration mineralsspectral dataelemental enrichmentscanning electron microscopyx-ray fluorescencespectrometry

Tularosa Basin Play Fairway Analysis: Hydrothermal Alteration Map

Nov 15, 2015
50.08 kB
Publicly accessible
This is a hydrothermal alteration map of the Tularosa Basin area, New Mexico and Texas that was created using Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) multispectral data band ratios based upon diagnostic features of clay, calcite, silica, gypsum, ferr...
Authors
Brandt, A. University of Utah
geothermaltularosabasinhydrothermalalterationmaptexasnew mexicoplay fairway analysispfaasterexplorationgeospatial datageologytularosa basin

Geothermal Mineral Alterations in Brady and Desert Peak

May 15, 2021
1.54 GB
Publicly accessible
Results of the analysis of HyMap's spectra against know hydrothermally altered minerals in the Brady-Desert Peak Geothermal Areas. This is the post-processing results and final analysis results of applying target detection algorithms and then fusing the results.
Authors
Moraga, J. Colorado School of Mines
geothermalenergymineral alterationshydrothermal alteration mineralshymapbradydesert peakgeospatial datadataprocess dataremote sensingtarget detectionspectral analysisgeothermal areanevada

Project Red: Monitoring Well 73-22 Geophysical and Mud Logging Data 2022

Jul 30, 2025
19.14 MB
Awaiting release
This dataset contains open-hole geophysical and mud logging measurements acquired in 2022 from Monitoring Well 73-22 in the Blue Mountain Geothermal Field, Humboldt County, Nevada. Data were collected by Baker Hughes, Baker Atlas, Horizon Well Logging, and other service providers ...
Authors
Dadi, S. et al Fervo Energy
geothermalenergyblue mountainblue mountain geothermal fieldegsnevadahumboldt county73-22monitoring wellproject redgeothermal well logswell logsgeophysical loggingmud loggingacoustic slownesscompressional slownessshear slownessstoneley wavemonopole acousticdipole acousticazimuthal anistropygamma ray logresistivity logneutron porositydensity logcaliper logborehole conditionsbulk modulusshear modulusmechanical propertieslithologyalteration mineralsfracturesgas detectionlasraw dataprocessed datafervo

SSGF Trace Element Concentrations

Jan 08, 2026
706.57 kB
Awaiting release
Presented are trace element concentrations of minerals from the Salton Sea Geothermal Field (SSGF), located in the Imperial Valley, California. With a recent increase in demand for lithium, the area is actively being studied as a source of geothermal brine for lithium extraction. ...
Authors
Kovalick, A. et al University of California Riverside
geothermaltrace elementssalton sea geothermal fieldrocksmineralhydrothermallithium valleygeothermal brineraw dataimperial countyssgfimperial valleyrare earth elementsreecritical mineralsmnznconibrine-rock reactionrock samplesbrine samplesrhyolitic domesdurmid hillsschmitt and hulenca 2-14wellschemistryfluid chemistrygeochemistrysalton sealithium extraction

Hydrothermal mineral alterations in the Brady and Desert Peak geothermal fields

Oct 01, 2021
36.68 MB
Publicly accessible
Results of the analysis of HyMap's spectra against know hydrothermally altered minerals in the Brady-Desert Peak Geothermal Areas. The analysis was performed using ENVI's Target Detection process against USGS library spectra for Chalcedony, Kaolinite, Gypsum, Hematite and Epsomite...
Authors
Moraga, J. Colorado School of Mines
geothermalenergyhydrothermal mineral alterationsmineral markershymapbradydesert peakdata fusiongeospatial datamineral alterationsspectral analysistarget detectionremote sensingdataprocessed datageothermal areanevada

Utah FORGE: Slide-Hold-Slide Experiments on Westerly Granite at Temperatures up to 250 Degrees C

Oct 10, 2023
2.08 MB
Publicly accessible
Laboratory slide-hold-slide tests were conducted in a conventional triaxial deformation configuration on 1-inch diameter cylindrical cores of Westerly granite bisected by a sawcut oriented at 30 degrees from vertical. Tests were conducted at a constant confining pressure of 30 MPa...
Authors
Jeppson, T. et al United States Geological Survey
geothermalenergyslide-hold-slideutah forgeegstriaxialwesterly granitefault strengthfrictional strengthfault weakeninghydrothermalhydrothermal alterationearthquakesinduced seismicitystrength recoverygeophysicsgeomechanics

Glass Buttes Exploration and Drilling: 2010 Geothermal Technologies Program Peer Review Presentation

Jan 01, 2010
780.83 kB
Publicly accessible
Glass Buttes Exploration and Drilling: 2010 Geothermal Technologies Program Peer Review Presentation, Walsh, et al, Ormat
Authors
Walsh, P. Ormat Nevada Inc
geothermalglass buttesoregongeophysicalgeochemicalhydrothermal alterationremote sensingtimelinebudgetgradienttemperature logsfault geometryaeromagneticlidar3d geologic modelpeer reviewfield workhyperspectralgravitymineral assemblages

2011 Glass Buttes Exploration and Drilling

Jan 01, 2011
1.27 MB
Publicly accessible
2011 Geothermal Technologies Program Peer Review Presentation summarizing relevance, proposed approach, and logistics of the Glass Buttes Exploration and Drilling.
Authors
Walsh, P. Ormat Nevada Inc
geothermalglass buttesoregongeophysicalgeochemicalhydrothermalalterationremote sensingtimelinebudgetgradienttemperature logsfault geometryaeromagneticlidarhyperspectralgravitymineral assemblages3d geologic modelfield workexplorationdrilling

The Use of 3D Geologic Modeling to Improve Well Targeting in Glass Buttes, Oregon

Oct 09, 2011
2.2 MB
Publicly accessible
The Glass Buttes Project includes combining a suite of high-resolution geophysical and geochemical techniques to reduce exploration risk by characterizing hydrothermal alteration, fault geometries and relationships. This is aided through geologic observation, modern remote sensing...
Authors
Walsh, P. Ormat Nevada Inc
geothermalglass buttesoregongeophysicsgeochemistryexplorationlidarfault geometriesremote sensingstructural modelslim holesgeophysicalgeochemical3dgeologic modelinggeology

SSGF Mineral Major Elements and Lithium Concentration

May 01, 2023
1.38 MB
Publicly accessible
Presented are major element and lithium concentrations of minerals from the Salton Sea Geothermal Field (SSGF), located in the Imperial Valley, California. With a recent increase in demand for lithium, the area is now being studied as a source of geothermal brine for lithium extr...
Authors
Humphreys, J. et al Lawrence Berkeley National Laboratory
geothermallithiummineralrockssalton sea geothermal fieldbrinelithium isotopteschloritegeologygeochemistryhydrothermalisotope quantificationextractionsalton sealithium valleygeothermal brineimperial countyraw data

Utah FORGE: Well 52-21 Logs and Data: Roosevelt Hot Spring Area

Mar 03, 2016
97.37 MB
Publicly accessible
This is a compilation of logs and data from Well 52-21 in the Roosevelt Hot Springs area in Utah. This well is also in the Utah FORGE study area. The file is in a compressed .zip format and there is a data inventory table (Excel spreadsheet) in the root folder that is a guide to t...
Authors
Moore, J. Energy and Geoscience Institute at the University of Utah
geothermalforgeutah forgeegsutah egsroosevelt hot springutah geothermal wellswell logsutah well logsutah geothermalgeothermal well logsroosevelt hot springswater analysiswater qualitygeochemistryflow samplewireline samplepressure surveytemperature surveysubsurfacehistorywell schematicsite mapwell locationscasing schematicwell completionbhtgradienthydrothermal alterationcompensated soniccompensated neutronformation densityporositylaterlogdual inductionelectromagneticelectro-magneticthickness toolfracture identificationmud logcaliperboreholedownholegeophysicssurveygeophysicalgeochemicalwell datautah52-21well logresourcecharacterizationmilford

DEEPEN 3D PFA Index Models for Exploration Datasets at Newberry Volcano

Jun 30, 2023
4.81 MB
Publicly accessible
DEEPEN stands for DE-risking Exploration of geothermal Plays in magmatic ENvironments. As part of the development of the DEEPEN 3D play fairway analysis (PFA) methodology for magmatic plays (conventional hydrothermal, superhot EGS, and supercritical), index models needed to be de...
Authors
Taverna, N. et al National Renewable Energy Laboratory
geothermalenergydeepensuperhotsupercriticalsuperhot egsmagmatichydrothermalindex modelsfavorabilitypfaexplorationcharacterizationnewberry

SOLTHERM Thermodynamic Database for Geochemical Modeling

Oct 07, 2015
Size unavailable
Publicly accessible
This data submission is a link to a thermodynamic database maintained by the University of Oregon. The data at this link are not 'data results' from sampling. The data at this link comprise a thermodynamic database for aqueous species, minerals, and gases, including data for stoic...
Authors
Palandri, J. University of Oregon
geothermalreerare earth elementsthermodynamicsgeochemistrymodelingthermodynamicdatabasegeochemicalmodelmineralglassstoichiometrychemistryminerologysolthermaqueous species

University of Illinois Campus Deep Direct-Use Feasibility Study Thermal Properties of Geologic Formations in Illinois Basin

Mar 30, 2018
Size unavailable
Publicly accessible
Thermal property data for rocks and and minerals and unconsolidated (glacial) sediments units from within and outside the Illinois Basin were compiled for modeling heat transport in the subsurface.
Authors
Lin, Y. et al University of Illinois
geothermalenergyddudeep direct-useuniversity of illinoisillinois basinthermal propertiesgeologic formationsthermophysics

A Thermal-Hydrological-Chemical Model for the EGS Demonstration Project at Newberry Volcano, OR

Jan 30, 2012
Size unavailable
Publicly accessible
Newberry Volcano in Central Oregon is the site of a Department of Energy funded Enhanced Geothermal System (EGS) Demonstration Project. Stimulation and production of an EGS is a strong perturbation to the physical and chemical environment, giving rise to coupled Thermal-Hydrologic...
Authors
Sonnenthal, E. et al National Energy Technology Laboratory
geothermalnewberryoregonegsenhanced geothermal systemnewgenthermalhydrologychemicalmodelcross-sectionsstimulationinjectionhydrologicaldemonstrationmechanical

Utah FORGE: Well 16B(78)-32 Cuttings X-Ray Diffraction Data

Apr 20, 2025
17.99 kB
Publicly accessible
X-ray diffraction (XRD) results from cuttings samples collected during drilling of Utah FORGE well 16B(78)-32. The dataset includes XRD data for 77 samples taken between 3,120 and 10,977 feet measured depth (from the Kelly Bushing, 31 feet above ground level), with sampling interv...
Authors
Jones, C. Energy and Geoscience Institute at the University of Utah
geothermalenergyutah forgewell 16bwell 16b78-32xrdx-rayx-ray diffractionmineralogymineralspetrographywell cuttings analysismineral abundancetrace mineralsweight percentsubsurface geologygeologyrock cuttingsmeasured depthkelly bushingprocessed dataegs

Glass Buttes Well 52-33 Core Log

Oct 26, 2014
2.6 MB
Publicly accessible
Core log from Glass Buttes Well 52-33, drilled by Geodrill Rig 6 in 2014 to a depth of 3000 feet. Logged at 500 ft intervals.
Authors
Akerley, J. Ormat Nevada Inc
geothermalcore logoregonglass butteswell datalake countywell logdrill loglithologyfracturestemperatureminerologyminerals

Chlorite Dissolution Rates From 25 to 275 degrees and pH 3 to 10

Sep 27, 2013
91.48 kB
Publicly accessible
We have calculated a chlorite dissolution rate equation at far from equilibrium conditions by combining new data (20 experiments at high temperature) with previously published data Smith et al. 2013 and Lowson et al. 2007. All rate data (from the 127 experiments) are tabulated in...
Authors
Lawrence Livermore National Laboratory
geothermalchlorite dissolution rate lawgeochemistrygeothermal kinetic databasechemical alterationegschlorite dissolution ratechlorite dissolutiondissolution ratedataraw dataprocessed data

Training dataset and results for geothermal exploration artificial intelligence, applied to Brady Hot Springs and Desert Peak

Sep 01, 2020
109.94 MB
Publicly accessible
The submission includes the labeled datasets, as ESRI Grid files (.gri, .grd) used for training and classification results for our machine leaning model: brady_som_output.gri, brady_som_output.grd, brady_som_output.* desert_som_output.gri, desert_som_output.grd, desert_som_outpu...
Authors
Moraga, J. et al Colorado School of Mines
geothermalenergygeothermal explorationhydrothermal mineral alterationsland surface temperaturefault densitypsinsarsubsidenceupliftbrady hot springsdesert peaknevadaconvolutional neural networkfallonmachine learningmodelhydrothermalmineraltemperaturerastergeospatial datageotifftraining datatraining dataset

Snake River (Idaho) Geothermal Drilling Project: Innovative Approaches to Geothermal Exploration

Feb 21, 2014
105.74 MB
Publicly accessible
The goal of our project was to test innovative exploration technologies using existing and new data, and to ground-truth these technologies using slim-hole core technology. The slim-hole core allowed us to understand subsurface stratigraphy and alteration in detail, and to correla...
Authors
Shervais, J. et al Utah State University
geothermalenergyslimhole drillingsnake river plaininnovative explorationkimamakimberlymountain homebasaltrhyolitegeophysicsgeochemistrytechnicalassessmentprocessed dataidahoconceptual model

Maps, Models and Data from Southeastern Great Basin PFA

Jun 30, 2017
846.11 kB
Publicly accessible
This submission includes composite risk segment models in raster format for permeability, heat of the earth, and MT, as well as the final PFA model of geothermal exploration risk in Southwestern Utah, USA. Additionally, this submission has data regarding hydrothermally altered are...
Authors
Nash, G. Energy and Geoscience Institute at the University of Utah
geothermalenergyexplorationplay fairway analysisutahheatpermeabilityopalmtmagnetotelluricpfahydrothermal alterationsinterhidden geothermal systemsblind geothermal systemsshapefileshape filearcgisgisgeospatial dataxrdx-ray diffractionmilfordphase 2segbgbgreat basinse great basineasterngeophysicsheat floweastern great basinhydrothermal

Appendices for Geothermal Exploration Artificial Intelligence Report

Jan 08, 2021
2.76 GB
Publicly accessible
The Geothermal Exploration Artificial Intelligence looks to use machine learning to spot geothermal identifiers from land maps. This is done to remotely detect geothermal sites for the purpose of energy uses. Such uses include enhanced geothermal system (EGS) applications, especia...
Authors
Duzgun, H. et al Colorado School of Mines
geothermalenergyartificial intelligencehydrothermally altered mineralsmineral markerssvmgeodatabasewellfaultseismicaiborderbradydesert peaksalton sealand surface temperaturedeformationgeophysicalgeophysicssupport vector machinehyperspectralhyperspectral imagingcalifornianevadaegsblindblind systemdeep learningmachine learningexplorationgeospatial datashort wavelength infraredswirdatabaseanomaly detectionsite detectionradarhydrothermalmodelconceptual modelzoteroraw datapreproccessedprocessed dataenhanced geothermal systemengineered geothermal systemremote sensingarcgisgisinsarmorphologymorphologicalmorphological featurestirvnirvisible near infraredthermal infraredcodepython

Chemical Impact of Elevated CO2 on Geothermal Energy Production

Jan 01, 2013
2.13 MB
Publicly accessible
Numerical simulations have shown that the use of supercritical CO2 instead of water as a heat transfer fluid yields significantly greater heat extraction rates for geothermal energy. If this technology is implemented successfully, it could increase geothermal energy production and...
Authors
Carroll, S. et al Lawrence Livermore National Laboratory
geothermalco2-egsgeochemical reactionco2egsgeochemistrydissolutionprecipitationsequestrationsimulationchlorite dissolution kineticsmineral scalingmineral alterationfracture permeabilitygeochemical alterationmodelingtaupo volcanic zonenew zealandgreywackerhyolitedaciteegs-co2rock-gas interaction

Fallon FORGE: Lithology Logs and Well 21-31 Drilling Data

Mar 11, 2018
128.85 MB
Publicly accessible
This submission includes lithology logs for all Fallon FORGE area wells; determined from core, cuttings, and thin section. Wells included are 84-31, 21-31, 82-36, FOH-3D, 62-36, 18-5, 88-24, 86-25, FOH-2, 14-36, 17-16, 34-33, 35A-11, 51A-20, 62-15, 72-7, 86-15, Carson_Strat_1_36-3...
Authors
Blankenship, D. et al Sandia National Laboratories
geothermalenergyfallonforgeegsnevadalithologywellscorecuttingsdepth intervalsgeologyvetted-nodrill logwell loggeologic unitextentnvdrillingloggingmud reportdrilling parametersmud lossesdirectional drillingwireline logsfracturesmineralsmineralogytemperaturegasesgamma raygamma radiationself potentialspontaneous potentialresistivitynphole diametersphi21-31datawelllog
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