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Utah FORGE: Slide-Hold-Slide Experiments on Gneiss at Increased Temperature

Published by Pennsylvania State University | Department of Energy | Catalog Last Checked: March 23, 2026 at 09:41 PM | Dataset Last Updated: July 09, 2024 at 04:15 PM
Included are data from triaxial, single-inclined-fracture friction experiments. The experiments were performed with slide-hold-slide protocol on Utah FORGE gneiss at increased temperature. With a ~10 MPa normal stress, temperatures vary between experiments from room temperature up to 163 Celsius. Hold times vary during experiment from ~10^1 to ~10^5 seconds. Measured are the frictional response upon reactivation after a hold period, active acoustic data (P-wave velocity and amplitude) and passive acoustic data (acoustic emission occurrence and amplitude). There are two types of datafiles: (1) Datafiles containing the friction data, including the temperature and the active acoustic data measured during the experiment (AEXX_Gneiss_Vp_mixref4). The underscore _Vp means that it includes the Vp or P-wave velocity data, with _mixref meaning that we use a mixed reference point for calculating the P-wave velocity. And (2) the datafiles containing the passive acoustics data, a catalog of the acoustic emissions (AE's) measured during the experiment (AEcatalog_AEXX_runX), where AEXX matches the experiment number and runX denotes which part of the experiment the data was collected, matching the times where active acoustic data was collected. AE catalogs are split in two parts when the file size exceeds 1 GB to aid download/opening times.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
                                            [
  "019:20"
]
contactPoint 
                                            {
  "fn": "Agathe Eijsink",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:eijsink@psu.edu"
}
dataQuality 
                                            true
description Included are data from triaxial, single-inclined-fracture friction experiments. The experiments were performed with slide-hold-slide protocol on Utah FORGE gneiss at increased temperature. With a ~10 MPa normal stress, temperatures vary between experiments from room temperature up to 163 Celsius. Hold times vary during experiment from ~10^1 to ~10^5 seconds. Measured are the frictional response upon reactivation after a hold period, active acoustic data (P-wave velocity and amplitude) and passive acoustic data (acoustic emission occurrence and amplitude). There are two types of datafiles: (1) Datafiles containing the friction data, including the temperature and the active acoustic data measured during the experiment (AEXX_Gneiss_Vp_mixref4). The underscore _Vp means that it includes the Vp or P-wave velocity data, with _mixref meaning that we use a mixed reference point for calculating the P-wave velocity. And (2) the datafiles containing the passive acoustics data, a catalog of the acoustic emissions (AE's) measured during the experiment (AEcatalog_AEXX_runX), where AEXX matches the experiment number and runX denotes which part of the experiment the data was collected, matching the times where active acoustic data was collected. AE catalogs are split in two parts when the file size exceeds 1 GB to aid download/opening times.
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DOI 10.15121/2008949
identifier https://data.openei.org/submissions/7611
issued 2023-07-25T06:00:00Z
keyword 
                                            [
  "EGS",
  "Utah FORGE",
  "acoustic data",
  "acoustic emission",
  "active acoustic",
  "energy",
  "fracture",
  "friction",
  "friction data",
  "geophysics",
  "geothermal",
  "gneiss",
  "passive acoustic",
  "reactivation",
  "single inclined fracture",
  "slide-hold-slide",
  "velocity data"
]
landingPage https://gdr.openei.org/submissions/1522
license https://creativecommons.org/licenses/by/4.0/
modified 2024-07-09T16:15:27Z
programCode 
                                            [
  "019:006"
]
projectLead Lauren Boyd
projectNumber EE0007080
projectTitle UtahFORGE 5-2419 - Seismicity-Permeability Relationships Probed via Nonlinear Acoustic Imaging
publisher 
                                            {
  "name": "Pennsylvania State University",
  "@type": "org:Organization"
}
spatial 
                                            "{"type":"Polygon","coordinates":[[[-112.916367,38.483935],[-112.879748,38.483935],[-112.879748,38.5148],[-112.916367,38.5148],[-112.916367,38.483935]]]}"
title Utah FORGE: Slide-Hold-Slide Experiments on Gneiss at Increased Temperature

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