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- Ernst, R. E., et al.
(författare)
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Long-lived connection between southern Siberia and northern Laurentia in the Proterozoic
- 2016
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Ingår i: Nature Geoscience. - : Springer Science and Business Media LLC. - 1752-0894 .- 1752-0908. ; 9:6, s. 464-469
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Tidskriftsartikel (refereegranskat)abstract
- Precambrian supercontinents Nuna-Columbia (1.7 to 1.3 billion years ago) and Rodinia (1.1 to 0.7 billion years ago) have been proposed. However, the arrangements of crustal blocks within these supercontinents are poorly known. Huge, dominantly basaltic magmatic outpourings and intrusions, covering up to millions of square kilometres, termed Large Igneous Provinces, typically accompany (super) continent breakup, or attempted breakup and offer an important tool for reconstructing supercontinents. Here we focus on the Large Igneous Province record for Siberia and Laurentia, whose relative position in Nuna-Columbia and Rodinia reconstructions is highly controversial. We present precise geochronology - nine U-Pb and six Ar-Ar ages - on dolerite dykes and sills, along with existing dates from the literature, that constrain the timing of emplacement of Large Igneous Province magmatism in southern Siberia and northern Laurentia between 1,900 and 720 million years ago. We identify four robust age matches between the continents 1,870, 1,750, 1,350 and 720 million years ago, as well as several additional approximate age correlations that indicate southern Siberia and northern Laurentia were probably near neighbours for this 1.2-billion-year interval. Our reconstructions provide a framework for evaluating the shared geological, tectonic and metallogenic histories of these continental blocks.
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RRI implementation in bioscience organisations : Guidelines from the STARBIOS2 project
- 2019
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Samlingsverk (redaktörskap) (refereegranskat)abstract
- The Guidelines are a tool to promote, within biosciences research organisations, a structural change (i.e., a durable transformation of a research organisation) that facilitates the practice of Responsible Research and Innovation (RRI). They are one of the outputs of the STARBIOS2 project.The Guidelines arise from the practical experience of implementing Action Plans carried by the research organisations involved in the STARBIOS2 project, from the mutual learning activity among the STARBIOS2 partners, also supported by a study and update of RRI issues.The Guidelines aim to help readers to formalize and trigger structural change aimed at introducing RRI-related practices that are appropriate to their own organisations. The Guidelines are not a series of prescriptions, but an itinerary of reflection and self-interpretation that is addressed to different actors within the Biosciences, such as: researchers, research organisations managers and technical staff members, professionals within research-funding organisations, students and others. Although these Guidelines are not designed for their specific needs, they could be useful to science policymakers as well. In very general terms, the Guidelines’ readers are people who intend to promote RRI or to emphasize responsibility within the research activities in which they are engaged, or who are trying to collect resources for designing and implementing activities with this end.To support this itinerary of reflection and self-interpretation, the document provides:A description of a general RRI Model for research organisations within the biosciences, that is a set of ideas, premises and “principles of action” that define the practice of RRI in Bioscience research organisationsSome practical guidance for designing interventions to promote RRI in research organisations in the Biosciences, putting into practice the RRI ModelA set of useful practices in implementing the structural change process.Information on particular STARBIOS2 cases and experiences, as well as materials, tools and sources, are also provided in the Appendix and in the Annex.
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