Komatiites of the Onverwacht Group, S. Africa: REE geochemistry, Sm/Nd age and mantle evolution (original) (raw)
- Allsopp HL, Ulrych TJ, Nicolaysen LO (1968) Dating of some significant events in the history of the Swaziland system by the Rb-Sr isochron method. Can J Earth Sci 5:605–619
Google Scholar - Anders (1977) Chemical compositions of the Moon, Earth and Eucrite parent body. Philos Trans R Soc Lond A 285:23–40
Google Scholar - Andersen DL (1980) Early evolution of the mantle. Episodes (IUGS) 1980: (3):3–7
Google Scholar - Anhaeusser CR (1973) The evolution of the early Precambrian crust of southern Africa. Philos Trans R Soc Lond A 273:359–388
Google Scholar - Anhaeusser CR (1978) The geological evolution of the primitive earth-evidence from the Barberton Mountain Land. In: Tarling DH (ed) Evolution of the Earth's crust, Academic Press, London, pp 71–106
Google Scholar - Anhaeusser CR, Mason R, Viljoen MJ, Viljoen RP (1969) A reappriasal of some aspects of Precambrian shield geology. Bull Geol Soc Amer 80:2175–2200
Google Scholar - Arndt NT (1977) Ultrabasic Magmas and High-Degree Melting of the Mantle. Contrib Mineral Petrol 64:205–221
Google Scholar - Arndt NT (1981) What is a Komatiite? Arndt NT and Nisbet EG (ed) Komatiites (in press)
- Arndt NT, Brooks C (1980) Komatiites: Penrose conference report. Geology 8:155–156
Google Scholar - Arndt NT, Naldrett AJ, Pyke DR (1977) Komatiite and Iron Rich Tholeiitic Lavas of Munro Township, Northeast Ontario. J Petrol 18:319–369
Google Scholar - Arth JG, Arndt NT, Naldrett AJ (1977) Genesis of Archean komatiites from Munro township, Ontario: trace element evidence. Geology 5:590–594
Google Scholar - Barton JM, Hunter DR, Jackson MP, Wilson AC (1980) Rb-Sr age and source of the bimodale suite of the Ancien Gneiss Complex, Swaziland. Nature 283:756–758
Google Scholar - Beckinsale RD, Drury SA, Holt RW (1980) 3,360 Myr old gneisses from the South Indian Craton. Nature 283:469–470
Google Scholar - Bickle MJ, Martin A, Nisbet EG (1975) Basaltic and peridotitic komatiites and stromatolites above a basal unconfirmity in the Belingwe Greestone belt, Rhodesia. Earth Planet Sci Lett 27:155–162
Google Scholar - Bickle MJ, Ford CR, Nisbet EG (1977) The petrogenesis of peridotitic komatiites: evidence from high pressure melting experiments. Earth Planet Sci Lett 37:97–106
Google Scholar - Blais S, Auvray B, Capdevila R, Jahn BM, Hameurt J, Bertrand JM (1978) The Archean greenstone Belt of KARELIA (Eastern Finland) and their Komatiitic and tholeiitic series. In: Windley BF and Naqvi SM (eds) Archean Geochemistry, Elsevier, Amsterdam, pp 87–107
Google Scholar - Chikhaoui M (1981) Les roches volcaniques du Protérozoíque supérieur de la chaîne Pan-Africaine dans le NW de l'Afrique (Hoggar, Anti-Atlas, Adrar des Iforas): caractérisation géochimique et minéralogique, implications géodynamiques. Thèse d'Etat, Montpellier, 183 pp
- Condie KC, Viljoen MJ, Kable EJD (1977) Effects of alteration on element distributions in Archean tholeiites from the Barberton greenstone belt, South Africa. Contrib Mineral Petrol 64:75–89
Google Scholar - Cox KG (1978) Komatiites and other high-magnesia lavas: some problems. Philos Trans R Soc Lond A 288:599–609
Google Scholar - Glikson AY (1979) Siderophile and Litophile trace element evolution of the Archean mantle. BMR J Aust Geol Geophys 4:253–279
Google Scholar - Glikson AY, Hickman AH (1981) Geochemistry of Archaean volcanic successions, eastern Pilbara Block, Western Australia. Aust Bur Miner Resour Record 1981/36
- Green DH (1973) Experimental melting studies on a model upper mantle composition at high pressure under water satured and water undersaturated conditions. Earth Planet Sci Lett 19:37–53
Google Scholar - Green DH (1975) Genesis of Archean peridotic magmas and constraints on Archean geothermal gradients and tectonics. Geology 3:15–18
Google Scholar - Green DH, Nicholls IA, Viljoen M, Viljoen R (1975) Experimental demonstration of the existence of peridotitic liquids in earliest Archean magmatism. Geology 3:11–14
Google Scholar - Hamilton PJ, Evensen NM, O'Nions RK, Smith HS, Erlank AJ (1979) Sm-Nd dating of Onverwacht group volcanics, Southern Africa. Nature 279:298–300
Google Scholar - Hamilton PJ, Evensen NM, O'Nions RK, Glikson AY, Hicman AH (1980) Sm-Nd dating of the Talga-Talga Subgroup, Warrawoona Group, Pilbara Block, Western Australia. In: Glover JE and Groves DI (eds) Second Int. Archean Symp Perth, pp 11–12
- Harrison WJ (1981) Partitioning of REE between minerals and coexisting melts during partial melting of a garnet lherzolite. Am Mineral 66:242–259
Google Scholar - Hart SR, Davis GL (1969) Zircon U-Pb and whole rock Rb-Sr ages and early crustal development near Rainy Lake, Ontario. Bull Geol Soc Amer 80:595–616
Google Scholar - Hawkesworth CJ, O'Nions RK (1977) The petrogenesis of some Archean volcanic rocks from Southern Africa. J Petrol 18, 487–520
Google Scholar - Herrmann AG, Blanchard DP, Haskin LA, Jacobs JW, Knake D, Korotev RL, Brannon JC (1976) Major, Minor and Trace Element Compositions of Peridotitic and Basaltic Komatiites from the Precambrian Crust of Southern Africa. Contrib Mineral Petrol 59:1–12
Google Scholar - Hunter DR (1974) Crustal developpment in the Kaapvall craton. I The Archaean. Precambr Res 1:259–294
Google Scholar - Hurley PM, Pinson WH, Nagy B, Teska TM (1972) Ancient age of the Middle Marker Horison: Onverwacht Group, Swaziland Sequence, South Africa. Earth Planet Sci Lett 14:360–366
Google Scholar - Jahn BM, Chi Yu Shih (1974) On the Age of the Onverwacht Group Swaziland Sequence, South Africa. Geochim Cosmochim Acta 39:1679–1689
Google Scholar - Jahn BM, Murthy VR (1975) Rb-Sr ages of the Archean rocks from the Vermilion district, northeastern Minnesota. Geochim Cosmochim Acta 39:1679–1689
Google Scholar - Jahn BM, Sun SS (1979) Trace element distribution and Isotopic Composition of Archean Greenstones. In: Ahrens LH (ed) Origin and distribution of the elements. Pergamon Press, Oxford, pp 597–618
Google Scholar - Jahn BM, Auvray B, Blais S, Capdevila R, Cornichet J, Vidal F, Hameurt J (1980a) Trace Element Geochemistry and Petrogenesis of Finnish Greenstone Belts. J Petrol 21:201–244
Google Scholar - Jahn BM, Vidal P, Tilton GR (1980b) Archaean mantle heterogeneity: evidence from chemical and isotopic abundances in Archaean igneous rocks. Philos Trans R Soc Lond A 297, 353–364
Google Scholar - Jahn BM, Bernard-Griffiths J, Charlot R, Cornichet J, Vidal F (1980c) Nd and Sr isotopic compositions and REE abundances of cretaceous MORB (Holes 417D and 418A, Legs 51, 52 and 53). Earth Planet Sci Lett 48:171–184
Google Scholar - Jahn BM, Gruau G (1981) Possible significance of REE typology of komatiites to the Archean Mantle Differentiation. (Abstr) Terra Cognita, p 19
- Jahn BM, Glikson AY, Peucat JJ, Hickman AH (1981) REE geochemistry and isotopic data of Archean silicic volcanics and granitoids from the Pilbara Block, Western Australia: implications for the early crustal evolution. Geochim Cosmochim Acta 45:1633–1652
Google Scholar - Jaques AL, Green DH (1980) Anhydrous Melting of Peridotite at 0–15 Kb Pressure and the Genesis of Tholeiitic Basalts. Contrib Mineral Petrol 73:287–310
Google Scholar - Jensen LS (1976) A new cation plot for classifying subalkalic volcanic rocks. Ont dep Mines Misc Pap 66
- Ludden JN, Gelinas L (1980) “Fine Tunning” the petrogenesis of komatiite with Ti, Zr and Sc data. (Abstr) EOS 61:386
Google Scholar - Mason B (1979) Data of geochemistry, Sixth Edition. Chapter B. Cosmochemistry. Geol Surv Prof Pap 440-B-1: 132 pp
- McGregor VR, Mason B (1977) Petrogenesis and geochemistry of metabasaltic and metasedimentary enclaves in the Amitsoq gneisses west Greenland. Am Mineral 62:887–904
Google Scholar - Moorbath S (1977) Ages, isotopes and evolution of precambrian continental crust. Chem Geol 20:151–187
Google Scholar - Morgan JW, Wandless GA, Petrie RK (1980) Earth's upper mantle: volatile element distribution and origin of siderophile element cotent. Lunar and Planetary Science XI, pp 740–742, Abstract of Papers Submitted to the Eleventh Lunar and Planetary Science Conference
- Mysen BO (1977) Experimental determination of crystal-vapor partition coefficients for rare earth elements to 30 Kb pressure. Ann Rept Geophys Lab 1977–1978:689–695
Google Scholar - Mysen BO, Kushiro I (1977) Compositional variations of coexisting phases with degree of melting of peridotite in the Upper Mantle. Am Mineral 62:843–865
Google Scholar - Naqvi SM, Viswanathan S, Viswanatma MN (1978) Geology and geochemistry of the Holenarasipur schist belt and its place in the evolutionary history of the Indian Peninsula. In: Windley BF and Naqvi SM (eds) Archean geochemistry. Elsevier, Amsterdem, pp 109–126
Google Scholar - Nesbitt RW, Sun SS (1976) Geochemistry of Archean spinifex-textured peridotites and magnesian and low-magnesian tholeiites. Earth Planet Sci Lett 31:433–453
Google Scholar - Nesbitt RW, Sun SS, Purvis AC (1979) Komatiites: Geochemistry and Genesis. Can Mineral 17:165–186
Google Scholar - Nesbitt RW, Jahn BW, Purvis AC (1982) Komatiites: an early Precambrian phenomenon, (in press) Sciences de la Terre
- Nisbett EG, Bickle MJ, Martin A (1977) The Mafic and Ultramafic Lavas of the Belingwe Greenstone Belt, Rhodesia. J Petrol 18:521–566
Google Scholar - Ringwood AE (1979) The origin of the Earth and Moon. Springer Verlag, New York, pp 295
Google Scholar - Smith HS, Erlank AJ (1981) Geochemistry and Petrogenesis of Komatiites from the Barberton Greenstone Belt, South Africa. In: Arndt NT and Nisbet EG (eds) Komatiites (in press)
- Sun SS, Nesbitt RW (1977) Chemical heterogeneity of the Archaean mantle, composition of the Earth and mantle evolution. Earth Planet Sci Lett 35:429–448
Google Scholar - Sun SS, Nesbitt RW (1978) Petrogenesis of Archean Ultrabasic and basic volcanics: evidence from Rare Earth Elements. Contrib Mineral Petrol 65:301–325
Google Scholar - Vidal Ph, Blais S, Jahn BM, Capdevila R (1980) U-Pb and Rb-Sr systematics of the Suomussalmi Archean Greenstone belt (Eastern Finland). Geochim Cosmochim Acta 44:2033–2044
Google Scholar - Viljoen MJ, Viljoen RP (1969a) The geology and geochemistry of the lower ultramafic unit of the Onverwacht Group and a proposed new class of igneous rocks. In: Upper mantle project. Geol Soc S Africa Spec Publ 2:55–85
Google Scholar - Viljoen MJ, Viljoen RP (1969b) Evidence for the existence of a mobile extrusive peridotitic magma from the Komati Formation of the Onverwacht Group. In: Upper mantle project. Geol Soc S Africa Spec Publ 2:86–112
Google Scholar - Viljoen MJ, Viljoen RP (1969c) An introduction to the geology of the Barberton Granite-greenstone terrain. In: Upper mantle project. Geol Soc S Africa Spec Publ 2:9–28
Google Scholar - Viljoen MJ, Viljoen RP (1970) Archaean vulcanicity and continental evolution in the Barberton (Mountain Land) region, Transvaal. In: Clifford TN and Gass I (eds) African magmatism and tectonics, Oliver and Boyd, Edinburg, pp 27–39
Google Scholar - Wilson JF, Bickle MJ, Hawkesworth CJ, Martin A, Nisbet EG, Lorpen J (1978) Granite-greenstone terrains of the Rhodesian Archaean craton. Nature 271:23–27
Google Scholar - Whitford DJ, Arndt NT (1978) Rare earth element abundances in a thick layered komatiite lava flow from Ontario, Canada. Earth Planet Sci Lett 41:188–196
Google Scholar - York D (1966) Least square fitting of a straight line. Can J Phys 44:1079–1086
Google Scholar