Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone: micro-XRCT data set

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Ruf, Matthias; Balcewicz, Martin; Saenger, Erik H.; Steeb, Holger, 2021, "Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone: micro-XRCT data set", https://doi.org/10.18419/darus-1152, DaRUS, V1

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Description	The Ruhr sandstone is assigned to the Upper Carboniferous and is part of the Ruhr cyclothem located in North Rhine-Westphalia, which consists of clays, siltstones, mudstones, sandstones, and interbedded coal seams. The sediment was chemically and mechanically compacted, folded, and faulted during the Hercynian orogeny. The studied microstructure of the Ruhr sandstone indicates depths of up to 6000 m and reconstructed, possible temperatures of over 120 ºC. This results in a complex mineralogical structure compared to other sandstones such as the Berea sandstone or the Fontainbleau sandstone. As part of the Balcewicz et al. (2021) publication, we made a first attempt to study the Ruhr Sandstone using Digital Rock Physics (DRP). This dataset contains the underlying micro X-ray Computed Tomography (micro-XRCT) data set (projection and reconstructed images) used in Balcewicz et al. (2021). The scan was performed on a cylindrical Ruhr sandstone core sample with a diameter of 5 mm.
Subject	Computer and Information Science; Earth and Environmental Sciences; Engineering
Keyword	Ruhr sandstone, Micro X-Ray Computed Tomography (micro-XRCT), Digital Rock Mechanics (DRP)
Related Publication	Balcewicz, M., Siegert, M., Gurris, M., Ruf, M., Krach, D., Steeb, H., & Saenger, E.H. (2021). Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone. Frontiers in Earth Science (under review).
Data Generation	Analysis; Experiment
License/Data Use Agreement	CC BY 4.0

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	projections_20200910_01.rar RAR Archive - 11.6 GB Published May 4, 2021 25 Downloads MD5: d6d5aa8e2a673f800a1c0a5495a8d689 Projection images (360 deg, angle increment 0.2 deg), dark image (di) and open beam image (ob) in 16 bit *.tif file format.	Access File File Access Public Download Options RAR Archive Download Metadata Data File Citation EndNote XML RIS BibTeX
	reconstructed_20200910_01.rar RAR Archive - 17.2 GB Published May 4, 2021 25 Downloads MD5: 0a48a3ff84ef4947ac89eb68150cb9de Reconstructed micro-XRCT data set in 16 bit *.tif file format. 2940x2940x2141 voxels with the uniform voxel size of 2.0 µm.	Access File File Access Public Download Options RAR Archive Download Metadata Data File Citation EndNote XML RIS BibTeX

Citation Metadata

Persistent Identifier	doi:10.18419/darus-1152
Publication Date	2021-05-04
Title	Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone: micro-XRCT data set
Author	Ruf, Matthias (University of Stuttgart, Institute of Applied Mechanics (CE)) - ORCID: 0000-0003-0299-5921 Balcewicz, Martin (Bochum University of Applied Sciences, Bau- und Umweltingenieurwesen) - ORCID: 0000-0001-9953-1431 Saenger, Erik H. (Bochum University of Applied Sciences, Bau- und Umweltingenieurwesen; Fraunhofer IEG, Institution for Energy Infrastructures and Geothermal Systems; Ruhr-University Bochum, Institute of Geology, Mineralogy and Geophysics) - ORCID: 0000-0002-2057-4728 Steeb, Holger (University of Stuttgart, Institute of Applied Mechanics (CE) & SimTech) - ORCID: 0000-0001-7602-4920
Point of Contact	Use email button above to contact. Steeb, Holger (University of Stuttgart, Institute of Applied Mechanics (CE) & SC SimTech)
Description	The Ruhr sandstone is assigned to the Upper Carboniferous and is part of the Ruhr cyclothem located in North Rhine-Westphalia, which consists of clays, siltstones, mudstones, sandstones, and interbedded coal seams. The sediment was chemically and mechanically compacted, folded, and faulted during the Hercynian orogeny. The studied microstructure of the Ruhr sandstone indicates depths of up to 6000 m and reconstructed, possible temperatures of over 120 ºC. This results in a complex mineralogical structure compared to other sandstones such as the Berea sandstone or the Fontainbleau sandstone. As part of the Balcewicz et al. (2021) publication, we made a first attempt to study the Ruhr Sandstone using Digital Rock Physics (DRP). This dataset contains the underlying micro X-ray Computed Tomography (micro-XRCT) data set (projection and reconstructed images) used in Balcewicz et al. (2021). The scan was performed on a cylindrical Ruhr sandstone core sample with a diameter of 5 mm.
Subject	Computer and Information Science; Earth and Environmental Sciences; Engineering
Keyword	Ruhr sandstone Micro X-Ray Computed Tomography (micro-XRCT) Digital Rock Mechanics (DRP)
Related Publication	Balcewicz, M., Siegert, M., Gurris, M., Ruf, M., Krach, D., Steeb, H., & Saenger, E.H. (2021). Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone. Frontiers in Earth Science (under review).
Language	English
Producer	University of Stuttgart, Institute of Applied Mechanics (CE) - Chair for Continuum-Mechanics https://www.mib.uni-stuttgart.de/en University of Stuttgart - SC SimTech https://www.simtech.uni-stuttgart.de
Production Date	2020-09-10
Production Location	University of Stuttgart, Institute of Applied Mechanics (CE)
Contributor	Data Collector : Ruf, Matthias Rights Holder : Steeb, Holger
Funding Information	Deutsche Forschungsgemeinschaft (DFG, German Research Foundation): STE 969/13-1 Deutsche Forschungsgemeinschaft (DFG, German Research Foundation): SFB 1313 ‐ 327154368
Data Type	Image data
Related Dataset	Balcewicz, M., Ruf, M., Steeb, H., & Saenger, E.H. (2021). Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone: segmented subvolumes. DaRUS. https://doi.org/10.18419/darus-1435 ; Balcewicz, M., Ruf, M., Steeb, H., & Saenger, E.H. (2021). Digital rock physics: A geological driven workflow for the segmentation of anisotropic Ruhr sandstone: SEM images. DaRUS. https://doi.org/10.18419/darus-1812
Other Reference	Ruf, M., & Steeb, H. (2020). An open, modular, and flexible micro X-ray computed tomography system for research. Review of Scientific Instruments, 91(11), 113102. https://doi.org/10.1063/5.0019541

Process Metadata

Processing Methods	Standard cone beam scanning of the centered sample (scan time: 15:47:13)
Method Parameters	Geometric magnification [-] : 24.74981 Source detector distance [mm] : 1011.1114 Source object distance [mm] : 40.8533 X-ray tube voltage [kV] : 80 X-ray tube current [µA] : 100 X-ray spectrum filter: aluminum [mm] : 0.5 Number of vertical detector pixel [pixel] : 2304 Number of horizontal detector pixel [pixel] : 2940 Detector pixel size [mm] : 0.0495 Resulting voxel size [µm] : 2.0000 Detector exposure time [ms] : 3000 Number of projection angles : 1800 Number of projections per angle : 1 Detector bad pixel map version : "ShadoBox6KHS_v2020-09-03" Detector in-plane (YZ-plane) moving pattern in pixel : [(0,0),(35,35),(35,-35),(-35,35),(-35,-35)] Detector in-plane (YZ-plane) positions according to moving pattern : 5 Number of dark images (di) : 1 Number of open beam images (ob) : 1 Position X-axis [mm] : 227.2690 Position Y-axis [mm] : 12.1443 Position Z-axis [mm] : 16.2000 Position x-axis [mm] : -0.0157 Position y-axis [mm] : -0.3839 Position switch detector axis [mm] : 450.0000 Position detector X-axis [mm] : 205.0000 Position detector Y-axis [counts] : 298960 Position detector Z-axis [counts] : 314300
Software	Octopus Reconstruction Version: 8.9.4.9 (Vlassenbroeck, J., Dierick, M., Masschaele, B., Cnudde, V., Van Hoorebeke, L., & Jacobs, P. (2007). Software tools for quantification of X-ray microtomography at the UGCT. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 580(1), 442-445. https://doi.org/10.1016/j.nima.2007.05.073)
Instruments	micro-XRCT system (Ruf, M., & Steeb, H. (2020). An open, modular, and flexible micro X-ray computed tomography system for research. Review of Scientific Instruments, 91(11), 113102. https://doi.org/10.1063/5.0019541) , Version: Calibration: "ShadoBox6KHS_v2020-09-01" X-ray source , Version: FineTec FORE 180.01C TT Detector , Version: Shad-o-Box 6K HS with CsI scintillator Stage X-Axis , Version: Owis LIMES 170-1000-3HSM Stage Y-Axis , Version: Standa 8MT167-25LS-MEn1 Stage Z-axis , Version: Owis HVM-100-30-HSM-MS Stage x-axis , Version: Newport M423 stage with Nanotec ST2018L0804-A stepper motor Stage y-axis , Version: Newport M423 stage with Nanotec ST2018L0804-A stepper motor Stage rotZ-axis , Version: Standa 8MR190-2-28-MEn1 Stage switch detector , Version: ISEL 234 611 0079 with Vexta PK245M-01B stepper motor Stage detector X-axis , Version: Custom-made: Spindle with 5 mm pitch and Vexta PK245M-01B stepper motor Stage detector Y-axis , Version: Standa 8MTF-75XX-MEn1 Stage detector Z-axis , Version: Standa 8MTF-75XX-MEn1 Multi-axis controller (8 channel) , Version: Standa 8SMC4-ETHERNET Multi-axis controller (12 channel) , Version: Standa 8SMC5-ETHERNET Sample holder , Version: M-BK-1A with 87.5 mm extension (50 mm distance + 12.5 mm distance + 25 mm special holder)

Engineering Metadata

Data Generation	Analysis; Experiment
System or Phase Components	Ruhr sandstone : Cylindrical sample with 5 mm diameter and 10 mm length

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