TY - GEN AU - Chapman,Robert AU - Weber,Florence AU - Churkin,Michael AU - Carter,Claire TI - The livengood dome chert, a new Ordovician formation in Central Alaska, and its relevance to displacement on the Tintina fault T2 - U. S. Geological survey professional paper, 1126-F KW - Tectonique KW - Faille KW - Faune graptolite KW - Ordovicien KW - Etats Unis KW - Alaska N1 - bibliogr. p. F12-F13 ER -