Obtaining data from the deep horizons of the Rožná Mine

This report summarizes the work and partial results made under the Public Procurement Obtaining Data from the deep horizons of the Rožná Mine in the first phase of the third and fourth subdivisions from February to November 2018. These are in particular technical works (boreholes, access to corridors),seismic measurements, sampling for laboratory analysis (physical-mechanical properties of rocks, breakage fills, bearing revalidation), structural characterization of the rockanalytical work on all samples taken. Parallel to these works3D models are being prepared, especially data preparation for modeling

Acquisition of deep data from horizonts of Rožná mine - Technical report for 2019

This report summarizes work that has been done during the second phase of the third and fourth\nwork package of the tender Acquisition of deep data from horizons of Rožná mine. It contains\ndescription of analytical work performed in laboratory and in situ, documentation in the mine and\n3D modelling

Geological and geotechnical characterisation of the mining environment - URF Bukov II - Interim report I

This report describes the work carried out in the first year of the public contract Geological and geotechnical characterisation of the rock environment – PVP Bukov II. The characterisation and descriptive works are directly related to the excavation of the premises for the future underground laboratory. These include in particular: geological and geotechnical documentation of the faces and walls of the workings, petrographic, mineralogical and structural geological documentation, hydrogeological characterisation of the environment, as well as determination of the physical and mechanical properties of the rock mass in situ and in the laboratory, geophysical characterisation and monitoring of the seismic effects of blasting. An important part of this report is the research of the classification systems used to describe the rock mass and hydrogeological research. The report includes also brief overview of the work planned for the second year of the project

Data Acquisition from the Deep Horizons of the Rožná Mine - Final Report (Technical report SÚRAO č. 464/2020)

Final Report of the Project „Data Acquisition from the Deep Horizons of the Rožná Mine“ presents the results of the study of rock mass properties with respect to the presence of a significant tectonic zone. The study focused on the change of properties in the vicinity of the so-called first zone of the Rožná deposit, but also on the change of these properties with a depth of 12–24. floor of the former mine, 550-1200 m below the surface. Realized works included geological, petrographic, geochemical description of the rock environment, geophysical work (esp. seismics), study of physico-mechanical properties of rocks, transport experiments and deposit revalidation of the Rožná deposit. All work was carried out for the purpose of describing the studied zone and its manifestation with an emphasis on ensuring the safety of the potential location of the deep geological repository

Data for: Characterization and 3D visualization of underground research facility for deep geological repository experiments: a case study of underground research facility Bukov, Czech Republic

Tha data for the manuscript " Characterization and 3D visualization of underground research facility for deep geological repository experiments: a case study of underground research facility Bukov, Czech Republic" contain data files (tables) and methodology to the methods used for the data generation, 3D model of the URF surroundings and 3D visualization of data

Data for: Characterization and 3D visualization of underground research facility for deep geological repository experiments: a case study of underground research facility Bukov, Czech Republic

Tha data for the manuscript " Characterization and 3D visualization of underground research facility for deep geological repository experiments: a case study of underground research facility Bukov, Czech Republic" contain data files (tables) and methodology to the methods used for the data generation, 3D model of the URF surroundings and 3D visualization of data.THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE. TO VIEW A LIST OF FILES AND ACCESS THE FILES IN THIS DATASET CLICK ON THE DOI-LINK ABOV

Meteoric fluid‐rock interaction in Variscan shear zones

International audienceVariscan shear zones in the Armorican Massif represent sites of strong fluid‐rock interaction. The hydrogen isotope composition of muscovite (δDMs) from syntectonic leucogranite allows to determine the source of fluids that infiltrated the footwall of three detachment zones and the South Armorican Shear Zone. Using temperatures of hydrogen isotope exchange estimated from microstructural data, we calculate the hydrogen isotope ratios of water (δDwater) present within the shear zones during high‐temperature deformation. A ~40‰ difference in δDwater values from deep to shallow crustal level reveals a mixing relationship between deep crustal fluids with higher δD values that range from −34 to −33‰, and meteoric fluids with δD values as low as −74‰ in the upper part of detachment footwalls