00000nam 2200000zi 4500 9.956653 CaOODSP 20251031142449 m o d f cr mn||||||||| 251024t20202020oncab ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc n-cn-yk M183-2/8746E-PDF Lei, Jerry Z. X., author. Analyzing spatial patterns of thermal alteration in the Stikine and Wrangell Terranes of the Canadian Cordillera using the conodont color alteration index (CAI) to identify hot spots and cold spots / J.Z.X. Lei, M.L. Golding, and J.M. Husson. [Ottawa] : Natural Resources Canada = Ressources naturelles Canada, 2020. ©2020 1 online resource (43 pages) : illustrations (some colour), colour maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Geological Survey of Canada open file, 2816-7155 ; 8746 ISSN of series supplied from ISSN Portal. Includes bibliographical references (pages 33-37). "Spatial analysis has been conducted on CAI data from archival conodont collections across the Canadian Cordillera of British Columbia and Yukon, creating thermal alteration maps with Kriging interpolation surfaces and Getis-Ord Gi* statistical hot spots. Major hot spots include the southeast corner of British Columbia, the central coast of British Columbia, southern Vancouver Island, and most of the British Columbia - Yukon border. Major cold spots include the northeast quadrant of British Columbia, the northern tip of Vancouver Island, and central Haida Gwaii. Hot spots on Vancouver Island generally correlate with the prevalence of intrusive units nearby; however, the largest hot spot coincides with a southern region unique on the island for having significant outcroppings of Permian limestone, which is more heavily altered than the Triassic limestones commonly sampled for conodonts further north on the island. Comparison of locations where paleoenvironmental studies have utilized δ13C, both near the British Columbia - Yukon border, as well as at the far north of Vancouver Island, demonstrates that stratigraphic sections which preserves a primary δ13C signal tends to be situated closer to the center of a thermal alteration cold spot than sections that do not. Beyond the select examples discussed in this study, the broader analysis has potential applications in a wide variety of research, from Cordilleran tectonics to preliminary hydrocarbon exploration"--Abstract, page 3. Hydrothermal alteration Canadian Cordillera. Conodonts Canadian Cordillera. Geological mapping Canadian Cordillera. Altération hydrothermale Cordillère de l'Ouest (Canada) Conodontes Cordillère de l'Ouest (Canada) Cartographie géologique Cordillère de l'Ouest (Canada) Geological Survey of Canada, issuing body. Open file (Geological Survey of Canada) 8746. (CaOODSP)9.506878 PDF 17.10 MB https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-8746-eng.pdf Open file report HTML N/A https://doi.org/10.4095/327243 Complete dataset