Table Of Content

oe wea Precambrian e635 Fi Research :e e ELS EVIER Precambrian Research 68 (1994) 375 Contents Vol. 68 Crustal history of the Rae and Hearne provinces, southwestern Canadian Shield, Saskatchewan: constraints from geochronologic and isotopic data M.E. Bickford, K.D. Collerson and J.F. Lewry Late Archaean geological development recorded in the Timiskaming Group sedimentary rocks, Kirkland Lake area, Abitibi greenstone belt, Canada Pe ney SINDEN RNR coc sn Se clea ee ca calcu Sueg entin as aa cdaibabcsisaaecasiameabaeeuse teasnst aa eabaddlatapiuatiassaiatseadas 23 Structural geology across a proposed Archaean terrane boundary in the eastern Yilgarn craton, Western Australia C.W. Passchier Early Proterozoic tectonic overview of the northern British Isles and neighbouring terrains in Laurentia and Baltica Precise U-Pb zircon ages of Neoproterozoic plutons in the southern Appalachian Blue Ridge and their implications for the initial rifting of Laurentia Q. Su, S.A. Goldberg and P.D. Fullagar Boninite-like rocks from the Palaeoproterozoic greenstone belt of Bogoin, Central African Republic: geochemistry and petrogenesis J.-L. Poidevin A three-stage structural evolution of the Quadrilatero Ferrifero: consequences for the Neoproterozoic age and the formation of gold concentrations of the Ouro Preto area, Minas Gerais, Brazil A. Chauvet, M. Faure, I. Dossin and J. Charvet Discussions RB-Sr ages of Late Archean metavolcanics and granites, Dharwar craton, South India and evidence for Early Proterozoic thermotectonic event(s) — comment B. Chadwick and V.N. Vasudev Rb-Sr ages of Late Archean metavolcanics and granites, Dharwar craton, South India and evidence for Early Proterozoic thermotectonic event(s )—reply Y.J. Bhaskar Rao, T.V. Sivaraman, G.V.C. Pantulu, K. Gopalan and S.M. Naqvi Pre-Elsonian mafic magmatism in the Nain Igneous complex, Labrador: the Bridges layered intrusion—comment A. Bruce Ryan and R.F. Emslie Thrusting, magmatic intraplating, and metamorphic core complex development in the Archaean Belleterre— Angliers Greenstone Belt, Superior Province, Quebec, Canada E.W. Sawyer and S.-J. Barnes Volcanic and tectono-plutonic influences on sedimentation in the Archaean Kirkland Basin, Abitibi greenstone belt, Canada Ta RN Wego as NNR OIE oo func cas donn nhs dsn Sosvad cascde iecdeuie deatedSnesiebasouvacncvosdondsevasessensosesccesseanensse 201 Palaeoproterozoic U-Pb zircon ages from Belorussia: new geodynamic implications for the East European Craton Sys RRGIMSNEVo ls Rae© nO ANI ER, COLO RIRCIIOY, ooo .co5scscsc snsscn dacs cuccsctaceseesndaccaedsgusncsencdgnancaicioanseesesesensconessevasteace 231 Zircon and rutile U-Pb geochronology of the Niquelandia layered mafic and ultramafic intrusion, Brazil: 376 constraints for the timing of magmatism and high grade metamorphism C.F. Ferreira-Filho, $.L. Kamo, R.A. Fuck, T.E. Krogh and A.J. Naldrett Depositional and tectonic setting of the Archean Moodies Group, Barberton Greenstone Belt, South Africa C. Heubeck and D.R. Lowe The Wakeham Terrane: a Mesoproterozoic terrestrial rift in the eastern part of the Grenville Province J. Martignole, N. Machado and A. Indares Timing of Late Archaean granulite facies metamorphism in the southwestern Yilgarn Craton of Western Australia: evidence from U-Pb ages of zircons from mafic granulites A.A. Nemchin, R.T. Pidgeon and S.A. Wilde Kibaran A-type granitoids and mafic rocks generated by two mantle sources in a late orogenic setting (Burundi) L. Tack, J.P. Liégeois, A.D eblond and J.C. Duchesne Relationship between Proterozoic dykes and associated volcanic sequences: evidence from the Harp Swarm and Seal Lake Group, Labrador, Canada A.C. Cadman, J. Tarney, W.R.A. Baragar and R.J. Wardle