Studies of Transport Properties of Fractures: Final Report Page: 2 of 50
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DOE/BES Final Report 2
Contents
1 Executive Summary 3
2 Introduction 5
2.1 Importance of Fractures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Channeling in Single Fractures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Solute Mixing Rules at Fracture Intersections . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Channeling in Fracture Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 Geochemical Evolution of Fracture Permeability . . . . . . . . . . . . . . . . . . . . . . . 10
3 Proposed Research 12
4 Relationship to DOE/OBES mission 12
5 Techniques Used and Resources Applied 14
6 Summary of Results 14
6.1 Mixing in Natural Fracture Intersections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2 Mixing in Synthetic Fracture Intersections . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.3 Mixing in Fracture Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.4 MRI Studies of Mixing Within Intersections (Collaborative Project) . . . . . . . . . . . . . 24
6.5 Formation of Fracture Networks (Collaborative Project) . . . . . . . . . . . . . . . . . . . . 26
6.6 Field Measurement of Fracture Aperture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.7 Dissolution in Fractures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.8 Observations in Vein Systems (Collaborative Project) . . . . . . . . . . . . . . . . . . . . . 33
6.9 Precipitation in Fractures (Future Directions) . . . . . . . . . . . . . . . . . . . . . . . . . 34
7 Proposed Future Work 41
8 Publications Resulting From This Project 42
9 Commercial Products Developed 44
10 Principal Project Personnel 45References
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Brown, Stephen R. Studies of Transport Properties of Fractures: Final Report, report, June 30, 2006; United States. (https://digital.library.unt.edu/ark:/67531/metadc891514/m1/2/: accessed March 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.