7Norman M D,Leeman W P,Mertzman S A.Granites and rhyolites from the northwestern U.S.A.:temporal variation in magmatic processes and relations to tectonic setting.Transactions of the Royal Society of Edinburgh:Erath Sciences,1992,83:71~81.
8Wolde B,Team G-G G.Tonalitic-trondhjemite-granite genesis by partial melting of newly underplated basaltic crust:an example of the Neoproterozoic Birbir magmatic arc,western Ethionpia.Precambrian Res.,1996,75:3~14.