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Article Title Graptolite dating of Ordovician vulcanicity in the Arenig area, North Wales / Jan ZalasiewiczArticle
Name(s) Zalasiewicz, J.A. (Jan A. (BGS 1979-1994)
Invalid ISN X780688502
Classmarks 00306 (BGS)
00306 (BGS)
Subjects GJOURI; North Wales; Gwynedd; Lower Palaeozoic; Ordovician; Biostratigraphy; Invertebrate paleontology; Hemichordata -- Graptoloidea; Graptoloidea -- biostratigraphy; Igneous rocks -- volcanic; Volcanic rocks; Bgspap;
Language English;
Barcode Location Shelf Shelfmark Status Category
7800194404BGS BelfastGSNI00306AvailableHeld by Group
780019437XBGS ExeterSouthern & Eastern England00306AvailableHeld by Group
7800194342BGS KeyworthLibrary00306AvailableLoan
7802117497BGS KeyworthLibraryBGS Staff paper 01929RestrictedReference