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  • 1
    Description / Table of Contents: This volume describes the use of till geochemical and indicator mineral methods for mineral exploration in glaciated terrain of Canada. The principles and examples described in this volume wil have direct applications for exploration companies and prospectors exploring for diamonds, precious and base metals and uranium in glaciated parts of North America, northern Europe and Asia and mountainous regions of South America. The first two papers in this volume provide an introduction to glaciated terrain and the two styles of glaciation that have affected the world, continental glaciers in broad flat lying Shield areas and alpine glaciers in mountainous terrain. Sampling techniques are described next, followed by an introduction to the use of heavy minerals. Heavy mineral methodss have become an important exploration tool in glaciated terrain for gold and base metals and, in the last ten years, for diamonds. Lake sediments and biogeochemical methods are also included in this volume as a complement to geochemical and indicator mineral methods in glaciated terrain. A chapter on GIS has been included because data interpretation and display are important and essential parts of any regional or detailed geochemical survey. The remainder of the volume is case studies for the three main glaciated terrain tyes in Canada: Shield, Appalachia and Cordillera
    Pages: Online-Ressource (350 Seiten)
    ISBN: 1862390827
    Language: English
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  • 2
    Keywords: ethics; geoethics; geoethical thinking
    Description / Table of Contents: 30 October 2020 --- The importance of professional regulation of geoscientists and their role in a fast-changing world / Isabel Fernández-Fuentes, Vitor Correia and Michael Neumann / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-26 --- Sustainable/Responsible Mining and Ethical Issues related to the Sustainable Development Goals (SDGs) / Gavin M. Mudd / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-113 --- 28 September 2020 --- Ethical Considerations in Managing the Hydrosphere: An Overview of Water Ethics / David Groenfeldt / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-99 --- The Intersection of Geoethics and Diversity in the Geosciences / David W. Mogk / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-66 --- Responsible mining and responsible sourcing of minerals: opportunities and challenges for cooperation across value chains / N. T. Bilham / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-130 --- Holistic Geoethical Slopes' Portfolio Risk Assessment / Franco Oboni and Cesar Oboni / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-157 --- 25 September 2020 --- Reaching Out from Earth to the Stars / Margaret R. McLean / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-16 --- International Geoscience Cooperation – Fair and Equitable? / David C. Ovadia and Eugene A. O'Connor / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-254 --- Addressing the Geoethics Skills Gap Through Co-Curricular Approaches / Christopher M. Keane and Pranoti Asher / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-251 --- 23 September 2020 --- Ethics in Climate Change: A Climate Scientist’s Perspective / Donald J. Wuebbles / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-17 --- Geoethics as global ethics to face grand challenges for humanity / Silvia Peppoloni and Giuseppe Di Capua / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-146 --- Geoethics in groundwater management: The geoethical dilemma in La Galera aquifer, Spain / Francesc Bellaubi and Alvaro Arasa / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-125 --- From “good” intuitions to principled practices and beyond: ethical issues in risk communication / Andrea Cerase / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2020-104 --- Geoethics as a common thread that can bind a geoscience department together / Vincent S. Cronin / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-256 --- Geoscience, Ethics and Enforcement / Oliver Bonham and Andrea Waldie / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-245 --- Sociology for Mineral Exploration / Jan A. Boon / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-230 --- Geo-Societal Sense-Making or Geoethics for All / Martin Bohle / Geological Society, London, Special Publications, 508, https://doi.org/10.1144/SP508-2019-213
    Pages: Illustrationen, Diagramme, Karten
    Edition: online first
    Language: English
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  • 3
    Call number: 9/M 02.0136
    In: Geological Society special publication
    Type of Medium: Monograph available for loan
    Pages: 350 S.
    ISBN: 1862390827
    Series Statement: Geological Society special publication 185
    Classification:
    A. 3.7.
    Location: Reading room
    Branch Library: GFZ Library
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  • 4
    Publication Date: 2018
    Description: 〈p〉Recurrent storms, floods, landslides, earthquakes and tsunamis challenge the development of resilient infrastructure and communities in coastal northwestern British Columbia. Vulnerability assessment first requires extended and improved understanding of geohazards in the Pacific Basin to constrain modelling of future events. An investigation of soils and bedrock structures in the Douglas Channel provides insight into the distribution of deposits attributed to geohazards in the region. Newly discovered marine inundation deposits corroborate numerical models and suggest that Pacific-sourced storms and earthquake-triggered tsunamis expend much of their energy in the outer coast and rarely reach far up the mainland fjords. Small-volume Folisolic slides and rockfalls do not generate tsunamis of any consequence. In contrast, marine sediments deposited beyond storm berms at the fjord head are a record of local tsunamis generated by large-volume marine slumps. Deep-fractured bedrock mapped upslope from relict submarine features would trigger damaging tsunami waves if rapid failure into the fjord were to occur. The observations above suggest only great earthquakes, large landslides and seasonal storms above a certain threshold volume and impulse energy produce geomorphically significant inundation events. However, even small submarine landslides have tsunamigenic potential in Douglas Channel since they occur in shallow water.〈/p〉
    Print ISSN: 0375-6440
    Electronic ISSN: 2041-4927
    Topics: Geosciences
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  • 5
    Publication Date: 2018-04-29
    Description: Recurrent storms, floods, landslides, earthquakes and tsunamis challenge the development of resilient infrastructure and communities in coastal northwestern British Columbia. Vulnerability assessment first requires extended and improved understanding of geohazards in the Pacific Basin to constrain modelling of future events. An investigation of soils and bedrock structures in the Douglas Channel provides insight into the distribution of deposits attributed to geohazards in the region. Newly discovered marine inundation deposits corroborate numerical models and suggest that Pacific-sourced storms and earthquake-triggered tsunamis expend much of their energy in the outer coast and rarely reach far up the mainland fjords. Small-volume Folisolic slides and rockfalls do not generate tsunamis of any consequence. In contrast, marine sediments deposited beyond storm berms at the fjord head are a record of local tsunamis generated by large-volume marine slumps. Deep-fractured bedrock mapped upslope from relict submarine features would trigger damaging tsunami waves if rapid failure into the fjord were to occur. The observations above suggest only great earthquakes, large landslides and seasonal storms above a certain threshold volume and impulse energy produce geomorphically significant inundation events. However, even small submarine landslides have tsunamigenic potential in Douglas Channel since they occur in shallow water.
    Print ISSN: 0305-8719
    Electronic ISSN: 2041-4927
    Topics: Geosciences
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  • 6
    Publication Date: 2019
    Description: 〈span〉〈div〉ABSTRACT〈/div〉Landslides in the Thompson River valley, British Columbia have the potential to adversely impact vital national railway infrastructure and operations, the natural environment, cultural heritage features, communities, public safety and the economy. To better manage geohazard risks in the primary national transportation corridor, government agencies, universities and railway industry partners are focusing research efforts on the Ripley Landslide, 7 km south of Ashcroft. The internal composition and structure of this very slow-moving landslide as revealed by geophysical surveys and terrain mapping provides contextual baseline data for interpreting slope stability monitoring results and guiding geohazard mitigation efforts. Terrestrial and waterborne geophysical surveys were undertaken using subsets of the following methods: electrical resistivity tomography, frequency electromagnetic conductivity, ground penetrating radar, primary-wave refraction and multispectral analysis of shear-waves, natural gamma radiation, induction conductivity and magnetic susceptibility. Small and irregular anomalies, areas of complex subsurface geometry and groundwater-rich zones are resolved along all terrestrial geophysical survey lines. Terrain mapping and geophysical surveys indicate a high relief bedrock sub-surface overlain by a 10 m to 〉30 m thick package of complex fine-grained sediments containing groundwater. Planar sub-surface features revealed in surface exposures, borehole logs and geophysical profiles include tabular bedding and terrain unit contacts. Profiles also show discrete curvilinear features interpreted as rotational-translational failure planes in clay-rich beds in the main body of the slide beneath the rail ballast and retaining wall. Integrating data from surficial geology mapping and an array of geophysical methods provided significantly more information than any one technique on its own.〈/span〉
    Print ISSN: 1083-1363
    Electronic ISSN: 1943-2658
    Topics: Geosciences
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  • 7
    Publication Date: 1996-11-01
    Print ISSN: 0004-0851
    Topics: Geography , Geosciences
    Published by Taylor & Francis
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  • 8
    Publication Date: 1996-09-01
    Print ISSN: 0943-0105
    Electronic ISSN: 1432-0495
    Topics: Geosciences
    Published by Springer
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  • 9
    Publication Date: 2020-02-10
    Print ISSN: 1612-510X
    Electronic ISSN: 1612-5118
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Published by Springer
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  • 10
    Publication Date: 2017-09-23
    Print ISSN: 1612-510X
    Electronic ISSN: 1612-5118
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Published by Springer
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