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Bibliography

 

Articles:

  • Vollmer R. (1975) The origin of alcaline rocks. Nature 257, 116-117
  • Vollmer R. (1975) Rb-Sr and U-Th-Pb systematics of alkaline rocks: the alkaline rocks from Italy. PhD thesis, Swiss Federal Institute of Technology, Zürich
  • Vollmer R. (1976) Rb-Sr and U-Th-Pb systematics of alkaline rocks: the alkaline rocks from Italy. Geochimica et Cosmochimica Acta 40, 283-295
  • Vollmer R. (1977) Isotopic evidence for genetic relations between acid and alkaline rocks in Italy. Contributions to Mineralogy and Petrology 60, 109-118
  • Vollmer R. (1977) Terrestrial lead isotopic evolution and formation time of the Earth’s core. Nature 270, 144-147
  • Hawkesworth C.J., Norry M.J., Roddick J.C., Vollmer R. (1978) The significance of trace element modelling calculations for the evolution of Sr and Nd isotopes in the mantle. USGS Open-file Report 78-701, 162-164
  • Hawkesworth C.J., Norry M.J., Roddick J.C., Vollmer R. (1979) 143Nd/144Nd and 87Sr/86 Sr ratios from the Azores and their significance in LIL-element enriched mantle. Nature 280, 28-31
  • Hawkesworth C.J., Vollmer R. (1979) Crustal contamination versus enriched mantle: 143Nd/144Nd and 87Sr/86 Sr evidence from the Italian volcanics. Contributions to Mineralogy and Petrology 69, 151-165
  • Vollmer R. (1979) Crustal contamination versus enriched mantle: Sr, Nd, and Pb isotope and trace element evidence from the potassic alkaline volcanism of Central and South Italy. In: Di Girolamo P (ed.) Il magmatismo potassico nell’area Tirrenica (round table). Rendiconti della Società Italiana di Mineralogia e Petrologia 35/1, 1-56
  • Vollmer R., Hawkesworth C.J. (1980) Lead Isotopic composition of the potassic rocks from Roccamonfina (South Italy). Earth and Planetary Science Letters 47, 91-101
  • Vollmer R., Johnston K., Ghiara M.R., Lirer L., Munno R. (1981) Sr isotope geochemistry of megacrysts from continental rift and converging plate margin alcaline volcanism in South Italy. Journal of Volcanology and Geothermal Research 11, 317-327
  • Vollmer R., Norry M.J. (1983) Unusual isotopic variations in Nyiragongo nephelinites. Nature 301, 141-143
  • Vollmer R., Norry M.J. (1983) Possible origin of K-rich volcanic rocks fromVirunga, East Africa, by metasomatism of continental crustal material: Pb, Nd and Sr isotopic evidence. Earth and Planetary Science Letters 64, 374-386
  • Vollmer R. (1983) Earth degassing, mantle metasomatism, and isotopic evolution of the mantle. Geology 11, 452-454
  • Vollmer R., Ogden P., Schilling J.-G., Kingsley R.H., Waggoner D.G. (1984) Nd and Sr isotopes in ultrapotassic volcanic rocks from the Leucite Hills, Wyoming. Contributions to Mineralogy and Petrology 87, 359-368
  • Vollmer R. (1985) Inferences of lithospheric evolution in Italy from Pb isotopic compositions in northern Appennine cherts. Canadian Journal of Earth Sciences 22, 1370-1373
  • Vollmer R., Nixon P.H., Condliffe E. (1985) Petrology and Geochemistry of a U and Th enriched nephelinite from Mt. Nyiragongo, Zaire: its bearing on ancient mantle metasomatism. Bulletin of the Geological Society of Finland 57/1-2, 37-46
  • Vollmer R. (1987) Metasomatism of the continental lithosphere: simulation of isotope and element abundance behaviour and case studies. In: Helgeson H.C. (ed.) Chemical transport in metasomatic processes (NATO ASI Series C: Mathematical and physical sciences, 218). Dordrecht, Reidel, 53-90
  • Vollmer R. (1989) On the origin of the Italian potassic magmas: 1. A discussion contribution. Chemical Geology 74, 229-239
  • Ludwig K.R., Vollmer R., Turl B., Simmons K.R., Pema G. (1989) Isotopic constraints on the genesis of base-metal ores in southern and central Sardinia. European Journal of Mineralogy 1, 657-666
  • Vollmer R. (1990) On the origin of the Italian potassic magmas: reply. Chemical Geology 85, 191-196
  • Vollmer R. (1991) On the origin of the Italian potassic magmas: 2. A one-dimensional diffusion-controlled model of source metasomatism. Earth and Planetary Science Letters 107, 487-498
  • Vollmer R. (1995) Quantitative modelling of regional geochemical trends in the Italian alkaline volcanic province: review and simulation by diffusion controlled source metasomatism. Periodico di Mineralogia 64, 367-391

 

Abstracts:

  • Vollmer R., Grünenfelder M. (1973) Studies of the isotopic composition of lead in K-rich volcanic rocks from Central Italy. Fortschritte der Mineralogie 50, Beiheft 3, 139-140
  • Vollmer R., Norry M.J. (1979) Pb and Sr isotopic composition of potassic rocks from Birunga, East Africa. EOS Transactions - American Geophysical Union 60, 407
  • Schilling J.-G., Vollmer R., Bergeron M.B. (1980) 87Sr/86Sr variations along the Gulf of Aden and Afar. EOS Transactions - American Geophysical Union 61, 405
  • Ogden P., Vollmer R., Schilling J.-G. (1980) Leucite Hills revisited. EOS Transactions - American Geophysical Union 61, 412
  • Waggoner D.G., Vollmer R., Schilling J.-G. (1981) Isotopic and trace element variations along the Mohns and Knipovich Ridges. EOS Transactions - American Geophysical Union 62, 423
  • Vollmer R., Ogden P., Schilling J.-G. (1981) Nd isotope geochemistry of Leucite Hills ultra-potassic volcanism. EOS Transactions - American Geophysical Union 62, 431
  • Vollmer R. (1983) Deep mantle fluids and mantle plumes. International Union of Geodesy and Geophysics (IUGG) XVIII General Assembly (Hamburg 15-27 August 1983) 7, 291
  • Vollmer R. (1983) Implications for the structure and evolution of the Afro-Arabian rift System from isotope geochemistry. International Union of Geodesy and Geophysics (IUGG) XVIII General Assembly - Hamburg, 15-27 August 1983 12, 589
  • Vollmer R. (1983) Sr, Nd and Pb isotope geochemistry of basic potassic volcanic rocks: petrogenetic interferences. Mantle metasomatism and the origin of ultrapotassic and related igneous rocks - London (Canada), 31 August - 3 September 1983
  • Vollmer R. (1985) Metasomatism of the continental lithosphere: simulation of isotope and trace element behaviour and case studies. Chemical Transport in Metasomatic Processes - Corinthos (Greece), 3-16 June 1985
  • Vollmer R., Turi B., Ludwig K. (1986) Pb isotopic composition of Palaeozoic galenas from SW Sardinia. Terra Cognita 6, 228
  • Vollmer R. (1986) Metasomatism of the continental lithosphere. Scuola Internazionale di Geocronologia e Geochimica Isotopica - Gargnano del Garda
  • Vollmer R. (1990) Diffusion-controlled simulation of lithospheric metasomatism. Modelling of isotope and element features of the Italian potassic magmas and wider implications. Genesi e differenziazione del magmatismo potassico del bordo tirrenico - Ischia, 15-18 October 1990 (abstracts in: Plinius. Supplemento italiano all’European Journal of Mineralogy, 4) 
  • Vollmer R. (1991) The Italian potassic volcanism: a one-dimensional diffusion-controlled advective flow model to simulate source metasomatism. Terra Abstracts 3/1, Suppl. Prog., 18