4Amelin Y,Lee D,Halliday A N,et al.1999.Nature of the Earth's earliest crust from hafnium isotopes in single detrital zircons.Nature,399:252～255.
5Anderson D L.1985.Theory of the Earth.USA and Canada:Blackwell Scientific Publications,13 ～ 15.
6Bowring S A,Williams I S.1999.Priscoan (4.00～4.03 Ga)orthogneisses from north western Canada.Contrib.Mineral.Petrol.,134:3～16.
7Brooks C K,Nielsen T F D.1982.The East Greenland continental margin:A transition between oceanic and continental magmatism.Geological Society of London Journal,139:265 ～275.
8Christie D M,Sinton J M.1981.Evolution of abyssal lavas along propa gating segments of the Galapagos Spreading Center.Earth and Planetary Science Letters,56:321 ～ 335.
9Clague D A,Frey F A,Thompson G,et al.1981.Minor and trace element geochemistry of volcanic rocks dredge from the Galapagos Spreading Center:Role of crystal fractionation and mantle heterogeneity.Journal of Geophysical Research,86:9469 ～9482.
10Compston W,Pidgeon R T.1986.Jack Hills evidence of more very old detrital zircons in Western Australia.Nature,321:766 ～ 769.
