Chapman, Robert The livengood dome chert, a new Ordovician formation in Central Alaska, and its relevance to displacement on the Tintina fault - U. S. Geological survey professional paper, 1126-F . bibliogr. p. F12-F13 Subjects--Topical Terms: TectoniqueFailleFaune graptoliteOrdovicien Subjects--Index Terms: Etats Unis Alaska