Items where Author is "Halama, Ralf"

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Number of items: 28.

Articles in a Scientific Journal - peer-reviewed

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Freundt, A. , Grevemeyer, I. , Rabbel, W., Hansteen, T. H. , Hensen, C., Wehrmann, H., Kutterolf, S., Halama, R. and Frische, M. (2014) Volatile (H2O, CO2, Cl, S) budget of the Central American subduction zone. International Journal of Earth Sciences, 103 (7). pp. 2101-2127. DOI 10.1007/s00531-014-1001-1.

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Freundt, A. , Halama, R., Suess, E. and Völker, D. (2014) Introduction to the special issue on SFB 574 “Volatiles and fluids in subduction zones: climate feedback and trigger mechanisms for natural disasters”. International Journal of Earth Sciences, 103 (7). pp. 1729-1731. DOI 10.1007/s00531-014-1059-9.

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Halama, R., Bebout, G. E., John, T. and Scambelluri, M. (2014) Nitrogen recycling in subducted mantle rocks and implications for the global nitrogen cycle. International Journal of Earth Sciences, 103 (7). 2081-2099. DOI 10.1007/s00531-012-0782-3.

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Laeger, K., Halama, R., Hansteen, T. H. , Savov, I. P., Murcia, H. F., Cortés, G. P. and Garbe-Schönberg, D. (2013) Crystallization conditions and petrogenesis of the lava dome from the ∼900 years BP eruption of Cerro Machín Volcano, Colombia. Journal of South American Earth Sciences, 48 . pp. 193-208. DOI 10.1016/j.jsames.2013.09.009.


Halama, R., Savov, I. P., Garbe-Schönberg, D., Schenk, V. and Toulkeridis, T. (2013) Vesuvianite in high-pressure-metamorphosed oceanic lithosphere (Raspas Complex, Ecuador) and its role for transport of water and trace elements in subduction zones. European Journal of Mineralogy, 25 (2). pp. 193-219. DOI 10.1127/0935-1221/2013/0025-2281.

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van der Straaten, F., Halama, R., John, T., Schenk, V., Hauff, F. and Andersen, N. (2012) Tracing the effects of high-pressure metasomatic fluids and seawater alteration in blueschist-facies overprinted eclogites: Implications for subduction channel processes. Open Access Chemical Geology, 292/293 . pp. 69-87. DOI 10.1016/j.chemgeo.2011.11.008.

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Halama, R., John, T., Herms, P., Hauff, F. and Schenk, V. (2011) A stable (Li, O) and radiogenic (Sr, Nd) isotope perspective on metasomatic processes in a subducting slab. Open Access Chemical Geology, 281 . pp. 151-166. DOI 10.1016/j.chemgeo.2010.12.001.

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Halama, R., Bebout, G. E., John, T. and Schenk, V. (2010) Nitrogen recycling in subducted oceanic lithosphere: The record in high- and ultrahigh-pressure metabasaltic rocks. Geochimica et Cosmochimica Acta, 74 (5). pp. 1636-1652. DOI 10.1016/j.gca.2009.12.003.


Halama, R., Bebout, G. E., John, T. and Schenk, V. (2010) Nitrogen recycling in subducted oceanic lithosphere: The record in high- and ultrahigh-pres sure metabasaltic rocks. Geochimica Et Cosmochimica Acta, 74 (5). pp. 1636-1652. DOI 10.1016/j.gca.2009.12.003.

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John, T., Scherer, E. E., Schenk, V., Herms, P., Halama, R. and Garbe-Schönberg, C. D. (2010) Subducted seamounts in an eclogite-facies ophiolite sequence: the Andean Raspas Complex, SW Ecuador. Contributions to Mineralogy and Petrology, 159 . pp. 265-284. DOI 10.1007/s00410-009-0427-0.

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Halama, R., Savov, I. P., Rudnick, R. L. and McDonough, W. F. (2009) Insights into Li and Li isotope cycling and sub-arc metasomatism from veined mantle xenoliths, Kamchatka. Contributions to Mineralogy and Petrology, 158 (2). pp. 197-222. DOI 10.1007/s00410-009-0378-5.


Wiedenbeck, M., Rosner, M., Halama, R. and Krienitz, M. (2009) Tourmaline reference materials for the in situ determination of lithium isotope composition. Geochimica Et Cosmochimica Acta, 73 (13). A1438-A1438.

Articles in a Scientific Journal - without review


van der Straaten, F., John, T., Halama, R. and Schenk, V. (2009) About fluid and element mobility in the subduction channel: Constraints from rehydrated eclogites. Geochimica et Cosmochimica Acta, 73 (13 (Suppl. S460YS)). A1369-A1369.


Halama, R., John, T., Schenk, V., McDonough, W. F. and Rudnick, R. L. (2007) Li isotope fractionation in the subducted slab - A case study from the Raspas complex, Ecuador. Geochimica Et Cosmochimica Acta, 71 (15). A370-A370.

Presentations


Halama, R. (2012) Nitrogen recycling in subduction zones. [Talk] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; pp. 9-10 .


Halama, R., Garbe-Schönberg, D. and Schenk, V. (2012) On the occurrence of vesuvianite in subduction-related, ultramafic metamorphic rocks. [Talk] In: 14. EMPG (Experimental Mineralogy, Petrology and Geochemistry) Conference. , 04.-07.03.2012, Kiel .


Halama, R., John, T., Schenk, V., Garbe-Schönberg, D. and Hauff, F. and GEOMAR, Helmholtz-Zentrum für Ozeanforschung Kiel, Instiut für Geowissenschaften, Universität Kiel (2012) Exhumation of subducted oceanic lithosphere at the South American convergent margin (Raspas Complex, Ecuador). [Talk] In: 14. Symposium on Tectonics, Structural Geology and Geology of Crystalline Rocks (TSK 14). , 28.03.-30.03.2012, Kiel . 14. Symposium: Tectonics, Structural Geology and Geology of Crystalline Rocks = Tektonik, Strukturgeologie und Kristallingeologie : Kiel 26.3.-1.4.2012 ; program, abstracts. ; p. 47 .


Herms, P., Schenk, V., Holzheid, A., Halama, R., Baese, R. and Mutter, A. (2011) Processes deep in the subduction zone. [Talk] In: SFB574 Retreat - Subproject C1. , 07.-08.09.2011, Sankelmark .


John, T., Gussone, N., Halama, R., Bebout, G., Podladchikov, Y. Y., Magna, T. and Klemd, R. (2011) Pulse-like long-distance fluid flow in subducting slabs. [Talk] In: ILP Task force IX Workshop “Nature of the plate interface in subduction zones”. , 02.-07.07.2011, Western Alps, Italy .


John, T., Podladchikov, Y. Y., Gussone, N., Bebout, G., Halama, R., Magna, T. and Klemd, R. (2011) On the duration and rates of fluid release from a dehydrating slab. [Talk] In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic ; p. 1118 . Mineralogical Magazine, 75 (3) .


Halama, R., Brandt, S. and Garbe-Schönberg, D. (2010) Formation of interlayered blueschist and greenschist in the Coastal Cordillera (Central Chile): Effects of protolith heterogeneity, fluid infiltration or thermal overprinting?. [Talk] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .

Conference posters


Collins, N. C., Cook-Kollars, J. E., Bebout, G. E., Agard, P., John, T. and Halama, R. (2012) Extents of carbon retention in deeply subducted sediments and basalts: The HP/UHP metamorphic record. [Poster] In: Misasa 4. International Symposium 2012. , 24.-26.02.2012, Kurayoshi, Japan . Abstracts volume / Misasa IV International Symposium 2012. ; pp. 40-41 .


Halama, R. and Bebout, G. (2012) Nitrogen cycling in subduction zones. [Poster] In: Misasa 4. International Symposium 2012. , 24.-26.02.2012, Kurayoshi, Japan . Abstract volume / Misasa IV International Symposium 2012. ; p. 46 .


Halama, R., John, T., Herms, P., Schenk, V., Garbe-Schönberg, D. and Hauff, F. (2012) Magmatic signatures and metasomatism in the high-pressure metamorphic Raspas Complex, Ecuador. [Poster] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.05-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; pp. 10-11 .


Wehrmann, H., Halama, R., Garbe-Schönberg, D., Hoernle, K. , Jacques, G., Heydolph, K., Mahlke, J. and Schumann, K. (2012) On the fluid-mobility of molybdenum, tungsten, and antimony in subduction systems. [Poster] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; p. 37 .


Halama, R., John, T., Herms, P., Schenk, V., Garbe-Schönberg, D. and Hauff, F. (2011) Magmatic signatures and metasomatism in the high-pressure metamorphic Raspas Complex, Ecuador. [Poster] In: ILP Task force IX Workshop “Nature of the plate interface in subduction zones”. , 02.-07.07.2011, Western Alps, Italy .


Halama, R., Savov, I. P., Garbe-Schönberg, D. and Toulkeridis, T. (2011) Origin of vesuvianite-bearing layers from the Raspas Complex, Ecuador. [Poster] In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic ; p. 966 . Mineralogical Magazine, 75 (3) .

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Wehrmann, H., Halama, R., Garbe-Schönberg, D., Hoernle, K. , Jacques, G., Heydolph, K., Mahlke, J. and Schumann, K. (2011) On the fluid-mobility of molybdenum, tungsten, and antimony in subduction systems. [Poster] In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic ; p. 2140 . Mineralogical Magazine, 75,3 .

This list was generated on Fri Aug 23 16:26:54 2019 CEST.