Remnants of Paleozoic cover on the Archean Canadian Shield: Limestone xenoliths from kimberlite in the central Slave craton

Abstract

Research Article| May 01, 1998 Remnants of Paleozoic cover on the Archean Canadian Shield: Limestone xenoliths from kimberlite in the central Slave craton Harrison O. Cookenboo; Harrison O. Cookenboo 1Canamera Geological Ltd., 399 Mountain Highway, North Vancouver, British Columbia V7J 2K9, Canada Search for other works by this author on: GSW Google Scholar Michael J. Orchard; Michael J. Orchard 2Geological Survey of Canada, 101-605 Robson Street, Vancouver, British Columbia V6B 5J3, Canada Search for other works by this author on: GSW Google Scholar David K. Daoud David K. Daoud 1Canamera Geological Ltd., 399 Mountain Highway, North Vancouver, British Columbia V7J 2K9, Canada Search for other works by this author on: GSW Google Scholar Geology (1998) 26 (5): 391–394. https://doi.org/10.1130/0091-7613(1998)026<0391:ROPCOT>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Harrison O. Cookenboo, Michael J. Orchard, David K. Daoud; Remnants of Paleozoic cover on the Archean Canadian Shield: Limestone xenoliths from kimberlite in the central Slave craton. Geology 1998;; 26 (5): 391–394. doi: https://doi.org/10.1130/0091-7613(1998)026<0391:ROPCOT>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Paleozoic limestone xenoliths have been recovered from kimberlite pipes that intrude the Archean Canadian Shield. Xenoliths from the Jericho pipe in the central Slave craton are commonly fossiliferous and contain a diverse macrofauna and microfauna, including conodonts. Most of the 21 conodont collections that have been recovered are Middle Devonian in age (late Eifelian to early Givetian, and early to middle Givetian). In general, the fauna is indicative of deposition in shallow- and open-marine environments; a few collections are indicative of slightly restricted shoal-shelf seas. A few low-diversity conodont suites could be pre-Middle Devonian. The nearest similar Paleozoic rocks are more than 400 km to the southwest of the Jericho pipe in the foothills of the Mackenzie Mountains. The Jericho limestone xenoliths provide the only solid evidence that shallow Middle Devonian seas inundated the now-exposed Slave craton of the Canadian Shield. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.