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  • 1
    Call number: 9/M 06.0513
    In: Geological Society special publication
    Description / Table of Contents: Faulting and fracturing play an important role in enhancing permeability, facilitating flow and controlling hydrothermal mineralization in rocks. This is the main theme of this volume and the papers included are intended to provide an overview of current ideas at the interfaces of structural geology, fluid flow and mineralization research. Included are speculative, but provocative ideas that should stimulate a re-examination of existing concepts regarding fluid flow in fractures systems and the formation of hydrothermal mineral deposits. Also highlighted are recent advances showing the significance of the development of fracture connectivity in focusing fluid flow. The collection concludes with a thermatic set of papaers presenting new research results on the genesis of the world-famous Carboniferous base metal deposits of Ireland. The volume is intended for geoscientists studying the floe of fluids through fault, vien and fracture systems or the genesis of mineral deposits and will be of interest principally to those involved in the minerals industry and in academia.
    Type of Medium: Monograph available for loan
    Pages: VIII, 328 S. , Ill., graph. Darst., Kt.
    Series Statement: Geological Society special publication 155
    Classification:
    Tectonics
    Note: K. J. W. McCaffrey: Dave Johnston: an appreciation and bibliography / Geological Society, London, Special Publications, 155:vii-viii, doi:10.1144/GSL.SP.1999.155.01.01 --- Lidia Lonergan, Jamie Wilkinson, and Ken McCaffrey: Fractures, fluid flow and mineralization: an introduction / Geological Society, London, Special Publications, 155:1-6, doi:10.1144/GSL.SP.1999.155.01.02 --- Fracture Populations --- S. Roberts, D. J. Sanderson, and P. Gumiel: Fractal analysis and percolation properties of veins / Geological Society, London, Special Publications, 155:7-16, doi:10.1144/GSL.SP.1999.155.01.03 --- Julia F. W. Stowell, Adrian P. Watson, and Neil F. C. Hudson: Geometry and population systematics of a quartz vein set, Holy Island, Anglesey, North Wales / Geological Society, London, Special Publications, 155:17-33, doi:10.1144/GSL.SP.1999.155.01.04 --- P. A. Gillespie, J. D. Johnston, M. A. Loriga, K. J. W. McCaffrey, J. J. Walsh, and J. Watterson: Influence of layering on vein systematics in line samples / Geological Society, London, Special Publications, 155:35-56, doi:10.1144/GSL.SP.1999.155.01.05 --- Maria Antonietta Loriga: Scaling systematics of vein size: an example from the Guanajuato mining district (Central Mexico) / Geological Society, London, Special Publications, 155:57-67, doi:10.1144/GSL.SP.1999.155.01.06 --- Fluid Flow and Fracture Systems --- David J. Sanderson and Xing Zhang: Critical stress localization of flow associated with deformation of well-fractured rock masses, with implications for mineral deposits / Geological Society, London, Special Publications, 155:69-81, doi:10.1144/GSL.SP.1999.155.01.07 --- Mark A. Jones, Alec B. Pringle, Iain M. Fulton, and Shane O’Neill: Discrete fracture network modelling applied to groundwater resource exploitation in southwest Ireland / Geological Society, London, Special Publications, 155:83-103, doi:10.1144/GSL.SP.1999.155.01.08 --- Peter Connolly and John Cosgrove: Prediction of static and dynamic fluid pathways within and around dilational jogs / Geological Society, London, Special Publications, 155:105-121, doi:10.1144/GSL.SP.1999.155.01.09 --- Structural Controls on Mineralization --- Stephen F. Cox: Deformational controls on the dynamics of fluid flow in mesothermal gold systems / Geological Society, London, Special Publications, 155:123-140, doi:10.1144/GSL.SP.1999.155.01.10 --- Tom G. Blenkinsop and David J. Sanderson: Are gold deposits in the crust fractals? A study of gold mines in the Zimbabwe craton / Geological Society, London, Special Publications, 155:141-151, doi:10.1144/GSL.SP.1999.155.01.11 --- S. J. Jolley, I. H. C. Henderson, A. C. Barnicoat, and N. P. C. Fox: Thrust-fracture network and hydrothermal gold mineralization: Witwatersrand Basin, South Africa / Geological Society, London, Special Publications, 155:153-165, doi:10.1144/GSL.SP.1999.155.01.12 --- Piergiorgio Rossetti and Fabrizio Colombo: Adularia-sericite gold deposits of Marmato (Caldas, Colombia): field and petrographical data / Geological Society, London, Special Publications, 155:167-182, doi:10.1144/GSL.SP.1999.155.01.13 --- Yannick Branquet, Alain Cheilletz, Gaston Giuliani, Bernard Laumonier, and Oscar Blanco: Fluidized hydrothermal breccia in dilatant faults during thrusting: the Colombian emerald deposits / Geological Society, London, Special Publications, 155:183-195, doi:10.1144/GSL.SP.1999.155.01.14 --- M. A. N. Brown, R. J. H. Jolly, W. Stone, and M. P. Coward: Nickel ore troughs in Archaean volcanic rocks, Kambalda, Western Australia: indicators of early extension / Geological Society, London, Special Publications, 155:197-211, doi:10.1144/GSL.SP.1999.155.01.15 --- I. R. Colke, J. Craig, and D. J. Blundell: Structural controls on the hydrocarbon and mineral deposits within the Kutai Basin, East Kalimantan / Geological Society, London, Special Publications, 155:213-232, doi:10.1144/GSL.SP.1999.155.01.16 --- Irish Zn/Pb Deposits: Structure and Fluid Flow --- Murray W. Hitzman: Extensional faults that localize Irish syndiagenetic Zn-Pb Deposits and their reactivation during Variscan compression / Geological Society, London, Special Publications, 155:233-245, doi:10.1144/GSL.SP.1999.155.01.17 --- C. E. Everett, J. J. Wilkinson, and D. M. Rye: Fracture-controlled fluid flow in the Lower Palaeozoic basement rocks of Ireland: implications for the genesis of Irish-type Zn-Pb deposits / Geological Society, London, Special Publications, 155:247-276, doi:10.1144/GSL.SP.1999.155.01.18 --- Helen Lewis and Gary D. Couples: Carboniferous basin evolution of central Ireland — simulation of structural controls on mineralization / Geological Society, London, Special Publications, 155:277-302, doi:10.1144/GSL.SP.1999.155.01.19 --- G. D. Sevastopulo and P. Redmond: Age of mineralization of carbonate-hosted, base metal deposits in the Rathdowney Trend, Ireland / Geological Society, London, Special Publications, 155:303-311, doi:10.1144/GSL.SP.1999.155.01.20 --- B. M. O’Reilly, P. W. Readman, and T. Murphy: Gravity lineaments and Carboniferous-hosted base metal deposits of the Irish Midlands / Geological Society, London, Special Publications, 155:313-321, doi:10.1144/GSL.SP.1999.155.01.21
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Description / Table of Contents: Fractured reservoirs contain a significant proportion of the global hydrocarbon reserves; however, they commonly exhibit unpredictable and extreme production behaviour. To develop such reservoirs it is necessary to obtain the best understanding possible of the fracture network and its impact on the fluid flow within the reservoir, using the full range of geoscience and engineering datasets available at all scales. This book presents an overview of current techniques and the latest technologies used to understand and exploit fractured reservoirs. The contributions are organized into sections on outcrop analogues, the application of geophysical techniques for fracture detection and imaging, numerical and analogue modelling and case studies from fields in the Middle East, Europe and North America. A number of the case studies also consider ways of assessing uncertainties in fracture geometry description and the implications for effective reservoir management.
    Pages: Online-Ressource (VI, 285 Seiten)
    ISBN: 9781862392137
    Language: English
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  • 3
    Keywords: Bruch (Geologie) ; Fluid ; Hydrodynamik ; Mineralisation ; Hydrothermale Lagerstätte ; Lagerstättenbildung
    Description / Table of Contents: K. J. W. McCaffrey: Dave Johnston: an appreciation and bibliography / Geological Society, London, Special Publications, 155:vii-viii, doi:10.1144/GSL.SP.1999.155.01.01 --- Lidia Lonergan, Jamie Wilkinson, and Ken McCaffrey: Fractures, fluid flow and mineralization: an introduction / Geological Society, London, Special Publications, 155:1-6, doi:10.1144/GSL.SP.1999.155.01.02 --- Fracture Populations --- S. Roberts, D. J. Sanderson, and P. Gumiel: Fractal analysis and percolation properties of veins / Geological Society, London, Special Publications, 155:7-16, doi:10.1144/GSL.SP.1999.155.01.03 --- Julia F. W. Stowell, Adrian P. Watson, and Neil F. C. Hudson: Geometry and population systematics of a quartz vein set, Holy Island, Anglesey, North Wales / Geological Society, London, Special Publications, 155:17-33, doi:10.1144/GSL.SP.1999.155.01.04 --- P. A. Gillespie, J. D. Johnston, M. A. Loriga, K. J. W. McCaffrey, J. J. Walsh, and J. Watterson: Influence of layering on vein systematics in line samples / Geological Society, London, Special Publications, 155:35-56, doi:10.1144/GSL.SP.1999.155.01.05 --- Maria Antonietta Loriga: Scaling systematics of vein size: an example from the Guanajuato mining district (Central Mexico) / Geological Society, London, Special Publications, 155:57-67, doi:10.1144/GSL.SP.1999.155.01.06 --- Fluid Flow and Fracture Systems --- David J. Sanderson and Xing Zhang: Critical stress localization of flow associated with deformation of well-fractured rock masses, with implications for mineral deposits / Geological Society, London, Special Publications, 155:69-81, doi:10.1144/GSL.SP.1999.155.01.07 --- Mark A. Jones, Alec B. Pringle, Iain M. Fulton, and Shane O’Neill: Discrete fracture network modelling applied to groundwater resource exploitation in southwest Ireland / Geological Society, London, Special Publications, 155:83-103, doi:10.1144/GSL.SP.1999.155.01.08 --- Peter Connolly and John Cosgrove: Prediction of static and dynamic fluid pathways within and around dilational jogs / Geological Society, London, Special Publications, 155:105-121, doi:10.1144/GSL.SP.1999.155.01.09 --- Structural Controls on Mineralization --- Stephen F. Cox: Deformational controls on the dynamics of fluid flow in mesothermal gold systems / Geological Society, London, Special Publications, 155:123-140, doi:10.1144/GSL.SP.1999.155.01.10 --- Tom G. Blenkinsop and David J. Sanderson: Are gold deposits in the crust fractals? A study of gold mines in the Zimbabwe craton / Geological Society, London, Special Publications, 155:141-151, doi:10.1144/GSL.SP.1999.155.01.11 --- S. J. Jolley, I. H. C. Henderson, A. C. Barnicoat, and N. P. C. Fox: Thrust-fracture network and hydrothermal gold mineralization: Witwatersrand Basin, South Africa / Geological Society, London, Special Publications, 155:153-165, doi:10.1144/GSL.SP.1999.155.01.12 --- Piergiorgio Rossetti and Fabrizio Colombo: Adularia-sericite gold deposits of Marmato (Caldas, Colombia): field and petrographical data / Geological Society, London, Special Publications, 155:167-182, doi:10.1144/GSL.SP.1999.155.01.13 --- Yannick Branquet, Alain Cheilletz, Gaston Giuliani, Bernard Laumonier, and Oscar Blanco: Fluidized hydrothermal breccia in dilatant faults during thrusting: the Colombian emerald deposits / Geological Society, London, Special Publications, 155:183-195, doi:10.1144/GSL.SP.1999.155.01.14 --- M. A. N. Brown, R. J. H. Jolly, W. Stone, and M. P. Coward: Nickel ore troughs in Archaean volcanic rocks, Kambalda, Western Australia: indicators of early extension / Geological Society, London, Special Publications, 155:197-211, doi:10.1144/GSL.SP.1999.155.01.15 --- I. R. Colke, J. Craig, and D. J. Blundell: Structural controls on the hydrocarbon and mineral deposits within the Kutai Basin, East Kalimantan / Geological Society, London, Special Publications, 155:213-232, doi:10.1144/GSL.SP.1999.155.01.16 --- Irish Zn/Pb Deposits: Structure and Fluid Flow --- Murray W. Hitzman: Extensional faults that localize Irish syndiagenetic Zn-Pb Deposits and their reactivation during Variscan compression / Geological Society, London, Special Publications, 155:233-245, doi:10.1144/GSL.SP.1999.155.01.17 --- C. E. Everett, J. J. Wilkinson, and D. M. Rye: Fracture-controlled fluid flow in the Lower Palaeozoic basement rocks of Ireland: implications for the genesis of Irish-type Zn-Pb deposits / Geological Society, London, Special Publications, 155:247-276, doi:10.1144/GSL.SP.1999.155.01.18 --- Helen Lewis and Gary D. Couples: Carboniferous basin evolution of central Ireland — simulation of structural controls on mineralization / Geological Society, London, Special Publications, 155:277-302, doi:10.1144/GSL.SP.1999.155.01.19 --- G. D. Sevastopulo and P. Redmond: Age of mineralization of carbonate-hosted, base metal deposits in the Rathdowney Trend, Ireland / Geological Society, London, Special Publications, 155:303-311, doi:10.1144/GSL.SP.1999.155.01.20 --- B. M. O’Reilly, P. W. Readman, and T. Murphy: Gravity lineaments and Carboniferous-hosted base metal deposits of the Irish Midlands / Geological Society, London, Special Publications, 155:313-321, doi:10.1144/GSL.SP.1999.155.01.21
    Pages: Online-Ressource (VIII, 328 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 1862390347
    Language: English
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  • 4
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    In:  Geological Society Special Publication 272: 303-319.
    Publication Date: 2007-10-08
    Description: The Colombian Andes are characterized by a dominant NE structural trend, which is offset by ENE-trending right-lateral and NW-trending left-lateral structures. NE-trending faults are either dip-slip or oblique thrusts, generated as a result of a trans-pressive regime active since at least Palaeogene times. NW-trending faults are considered to be reactivated pre-Cretaceous extensional structures. Right-lateral shear on ENE-trending faults has resulted from oblique convergence between the Nazca Plate and the Northern Andes. Major changes in the geometry of the oblique-plate convergence between the Nazca and South American plates have generated the northward escape' of the Northern Andes and stress-strain partitioning within the mountain belt. These strike-slip structures have exerted important controls on sedimentation, source-rock distribution, fluid flow and ore mineralization during Cenozoic times. The interpretation of the Northern Andes as a mountain belt affected by strike-slip deformation provides a structural context in which to reassess the exploration plays.
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  • 5
    Publication Date: 2011-03-01
    Description: The deep-ocean marine isotope record and the Antarctic and Greenland ice caps record numerous glacial and interglacial cycles since the middle Pleistocene, and yet evidence for similar numbers of ice-sheet advances over the continent and shallow shelves of northwest Europe is absent. Here, we document seven generations of regionally correlatable subglacial tunnel valleys that record the geomorphic imprint of ice sheets traversing the North Sea basin between ca. 500 and 40 ka, consistent with that predicted by proxy records of glacial and interglacial climate change. Over 180 subglacial tunnel valleys that incise into Pleistocene sediments in the North Sea basin were mapped over [~]60,000 km2 of three-dimensional seismic-reflection data. Using a subset of these data, we identified seven separate episodes of subglacial erosion that can be correlated regionally in the UK sector of the central North Sea. The characteristics of the valley morphologies, orientations, and infill stratigraphy indicate that each set of tunnel valleys formed during a separate ice-sheet advance and retreat cycle. Stratigraphic data suggest that the tunnel valleys formed significantly later than the Brunhes-Matuyama reversal event at 780 ka and before the Last Glacial Maximum (marine isotope stage [MIS] 2; 21 ka). These results imply a more complicated glacial history for northwest Europe and more glaciations than the three-glaciation model traditionally interpreted from the terrestrial record for the past 500 k.y. Our data provide the most complete documentary evidence for repeated advance and retreat of the northwest European ice sheets since the middle Pleistocene, and for the first time indicate that terrestrial ice-sheet advances in the North Sea can be matched in number with the cold events recorded in oceanic and/or ice-core proxies of climate change over the past 500 k.y.
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
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  • 6
    Publication Date: 2017-05-11
    Description: The interaction between submarine channels and active seabed deformation controls sediment delivery to the deep sea. Here, we combined seismic and geomorphic techniques to investigate quantitatively how the gravity-driven growth of thrust-related folds in the deep-water Niger Delta has influenced the morphology of four Pleistocene to Holocene submarine channels with present-day geomorphic expression. We extracted the bathymetric long profile of each of these modern seabed channel systems, and we evaluated the down-system evolution of channel widths, depths, and slopes as they have interacted with growing seabed structures. This information was used to derive estimates of bed shear stresses and velocities, to infer morphodynamic processes that have sculpted the channel systems through time, and to evaluate how these channels have responded to actively growing structures in the toe of the delta. The long profiles of these channels are relatively linear, with concavity from −0.08 to −0.34, and an average gradient of ∼1°. They are characterized by small knickpoints that are apparent near mapped structures and therefore implicitly reflect variations in substrate uplift rate. Channel incised depths increase significantly near the active structures, leading to entrenchment, but there is little change in the down-system distribution of channel width, in contrast to rivers crossing active faults, or buried submarine channel complexes. Reconstructed bed shear stresses near faults are estimated to lie in the range of 100–200 Pa, which would be associated with turbidite flow velocities of 2–4 m/s. A comparison of the magnitude and distribution of structural uplift since 1.7 Ma and the distribution of channel incision over this time shows that three of these channels have been able to keep pace with the time-integrated uplift since 1.7 Ma and have likely reached a local topographic steady state. Entrenchment of the submarine channels upstream of growing folds helps to drive this process, and we estimate that bed shear stresses of 〉100 Pa are sufficient to keep pace with structural strain rates of ∼4 × 10–3 m.y.–1.
    Print ISSN: 0016-7606
    Electronic ISSN: 1943-2674
    Topics: Geosciences
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  • 7
    Publication Date: 2017-11-01
    Print ISSN: 0149-1423
    Electronic ISSN: 1943-2674
    Topics: Geosciences
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  • 8
    Publication Date: 2020-08-01
    Print ISSN: 0191-8141
    Electronic ISSN: 1873-1201
    Topics: Geosciences
    Published by Elsevier
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  • 9
  • 10
    Publication Date: 2012-11-01
    Print ISSN: 1750-5836
    Electronic ISSN: 1878-0148
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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