RALF HALAMA - PUBLICATIONS

Reviewed articles:

Halama, R., Boudon, G., Villemant, B., Joron, J.-L., Le Friant, A., Komorowski, J.-C (2006): Pre-eruptive crystallization conditions of mafic and silicic magmas at the Plat Pays volcanic complex, Dominica (Lesser Antilles). Journal of Volcanology and Geothermal Research (in press)

Halama, R., Vennemann, T., Siebel, W., Markl, G. (2005): The Grønnedal-Ika carbonatite-syenite complex, south Greenland: Carbonatite formation by liquid immiscibility. Journal of Petrology 46: 191-217.
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Halama, R., Marks, M., Brügmann, G., Siebel, W., Wenzel, T., Markl, G. (2004): Crustal contamination of mafic magmas: evidence from a petrological, geochemical and Sr-Nd-Os-O isotopic study of the Proterozoic Isortoq dike swarm, South Greenland. Lithos 74: 199-232.
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Marks, M., Halama, R., Wenzel, T., Markl, G. (2004): Trace element variations in clinopyroxene and amphibole from alkaline to peralkaline syenites and granites: implications for mineral-melt trace-element partitioning. Chemical Geology 211: 185-215.
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Halama, R., Wenzel, T., Upton, B.G.J., Siebel, W., Markl, G. (2003): A geochemical and Sr-Nd-O isotopic study of the Proterozoic Eriksfjord Basalts, Gardar Province, South Greenland: Reconstruction of an OIB signature in crustally contaminated rift-related basalts. Min. Mag. 67: 831-853.
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Halama, R., Waight, T., Markl, G. (2002): Geochemical and isotopic zoning patterns of plagioclase megacrysts in gabbroic dykes from the Gardar Province, South Greenland: implications for crystallisation processes in anorthositic magmas. Contrib Mineral Petrol 144: 109-127.
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Submitted articles:

Halama, R. , McDonough, W.F., Rudnick, R.L., Keller, J., Klaudius, J. (submitted to Earth and Planetary Science Letters): The Li isotopic composition of Oldoinyo Lengai: Implications for carbonatite mantle sources and Li isotope fractionation during magmatic differentiation.

Halama, R. , Joron, J.-L, Villemant, B., Markl, G., Treuil, M. (submitted to Canadian Journal of Earth Sciences): Trace element constraints on mantle sources during mid-Proterozoic magmatism: Evidence for a link between the Gardar (South Greenland) and Abitibi (Canadian Shield) mafic rocks.

Conference Abstracts:

Halama, R., McDonough, W.F., Rudnick, R.L., Ash, R.D., Keller, J., Klaudius, J., Trumbull, R. (2005): Lithium concentrations and Li isotope compositions of carbonatitic complexes. EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract V41D-1491.

Halama, R., Joron, J.-L., Markl, G., Treuil, M. (2005): Mantle sources during mid-Proterozoic rift-related magmatism in South Greenland and Canada: A trace element perspective. In: Peralkaline rocks: Sources, economic potential and evolution from alkaline melts, Abstract Volume PERALK Workshop, Tübingen, Germany, p.28-30.

Halama, R., Boudon, G., Villemant, B., Joron, J.-L., Michel, A., Le Friant, A., Komorowski, J.-C. (2004): Relationship between the geochemical evolution of magmas and edifice collapse events on volcanoes of the Lesser Antilles arc. IAVCEI General Assembly, Pucón, Chile; s02b_pth_045.

Halama, R., Villemant, B., Boudon, G., Joron, J.-L. (2004): Petrology of the Plat Pays volcanic complex, Dominica, Lesser Antilles. Beih. z. Eur. J. Mineral. vol. 16, 2004, No. 1, p. 52.

Halama, R., Marks, M., Markl, G. (2003): A comparison of trace-element signatures in mafic minerals of carbonatitic-syenitic and related alkaline intrusions in the Gardar Province, South Greenland. Berichte der Deutschen Mineralogischen Gesellschaft, Beih. z. Eur. J. Mineral. vol. 15, 2003, No. 1, p. 74.

Halama, R., Marks, M., Markl, G. (2003): Nd-O isotopic and trace-element constraints on the petrogenesis and origin of the Grønnedal-Ika carbonatite-syenite complex in the Gardar Province, South Greenland. Abstract Volume 4th EUROCARB Workshop, Canary Islands, Spain, p. 63-64.

Halama, R. & Markl, G. (2003): A Nd -and O isotopic study of the carbonatite-syenite association in the Grønnedal-Ika complex, Gardar Province, South Greenland. Geophysical Research Abstracts 5: 00808.

Halama, R., Markl, G., Siebel, W. (2002): Isotopic constraints on gabbroic magma genesis in the Gardar rift province, South Greenland. Berichte der Deutschen Mineralogischen Gesellschaft, Beih. z. Eur. J. Mineral. vol. 14, 2002, No. 1, p. 62.

Halama, R. & Markl. G. (2001): Zoning patterns in plagioclase megacrysts from the Gardar Province, South Greenland: Implications for magma chamber processes in an anorthositic magma chamber. Berichte der Deutschen Mineralogischen Gesellschaft, Beih. z. Eur. J. Mineral. vol. 13, 2001, No. 1, p. 71.

Halama, R. & Markl, G. (2001): Anorthositic magma chamber tapped: the "Big Feldspar Dikes" at Isortoq, Gardar Province of South Greenland. EUG XI, J. Conf. Abs. 6, 2001, p. 579.

Halama, R., Baumgartner, L.P. & Ring, U. (2000): Mass transfer and element mobility in the Caples Terrane, South Island, New Zealand. Berichte der Deutschen Mineralogischen Gesellschaft, Beih. z. Eur. J. Mineral. vol. 12, 2000, No. 1, p. 72.

Maxelon, M., Wohlers, A., Halama, R., Ring, U., Mortimer, N., Brandon, M.T. (1998): Ductile strain in the Torlesse Wedge, South Island, New Zealand. Supplement to EOS, Transactions, AGU Volume 79, No. 45, 1998, p. 889.