Abstracts and Conference-Presentations

2013
A109 Treiber, H., Marks, M.A., Wenzel, T, Siebel, W., Altherr, R., Markl, G. (2013) The halogen (F, Cl, Br) budget of continental granitoid plutonic rocks. Conference Supplement to Geochimica et Cosmochemica Acta, Goldschmidt Conference 25-30 August 2013, Florence, Italy
A108 Hasözbek, A., Shyam, B., Siebel, W., Schmitt, A., Akay, E., Skinner, L. (2013) Preliminary study on multi-element profile mapping of crustal and mantle zircons by using Synchrotron Radiation X-ray Fluorescence (SR-XRF). Geophysical Research Abstracts 15, EGU 2013, Vienna, Austria
2012
A107 Aydin, F., Siebel, W., Uysal, I., Ersoy, Y., Schmitt, A.K., Sönmez, M., Duncan, R. (2012) Geochemical, isotopic (Sr-Nd-Pb) and geochronological (Ar-Ar & U-Th) constraints on Quaternary bimodal volcanism of the Nigde volcanic complex (central Anatolia). Geophysical Research Abstracts 14, EGU 2012, Vienna, Austria
A106 Aydin, F., Sönmez, M., Dirik, K., Siebel, W., Schmitt, A.K., Lermi, A., Duncan, R. (2012) Geochemistry, petrology and geochronology of the late Neogene-Quaternary volcanic rock series from the Nigde volcanic complex (Cappadocian Volcanic Province, central Anatolia). 5th Geochemistry Symposium, 23-25 May 2012, Denizli, Turkey
A105 Erdogan, B., Hasözbek, A., Akay, E., Gungor, T., Satir, M., Siebel, W. (2012) Radiometric age determinations and their interpretations in the Menderes Massif (western Anatolia, Turkey). Geophysical Research Abstracts 14, EGU 2012, Vienna, Austria
2011
A104 Aydin, F., Sönmez, M., Dirik, R.K., Siebel, W. (2011) Petrogenesis of late Tertiary volcanites in the Nigde volcanic complex (central Anatolia): Petrographical, geochemical and Sr-Nd-Pb isotopic evidences. Geological Congress of Turkey, 24-29 April 2011, Ankara, Turkey
A103 Hasözbek, A., Erdogan, B., Akay, E., Satir, M., Siebel, W., Dogan, G.D. (2011) Progressive magmatism in western Anatolia (Turkey). Geophysical Research Abstracts 13, EGU 2011, Vienna, Austria
A102 Li, S.Q., Chen, F., Zhu, X.Y., Siebel, W. (2011) Late mesozoic tectonic evolution of the Songliao basin, NE China: evidence from detrital zircon ages and Sr-Nd isotopes. Conference Supplement to Geochimica et Cosmochemica Acta, Goldschmidt Conference 14-19 August 2011, Prague, Czech Republic
A101 Siebel, W., Schmitt, A.K., Danisik, M., Aydin, F., Kiemele, E. (2011) Eruptive history and chemical evolution of the Acigöl volcanic field, central Anatolia, Turkey, based on geochemical and isotopic (Sr-Nd-Pb, d18O) constraints and ion microprobe zircon analysis. Conference Supplement to Geochimica et Cosmochemica Acta, Goldschmidt Conference 14-19 August 2011, Prague, Czech Republic
2010
A100 Hasözbek, A., Satir, M., Erdogan, B., Siebel, W., Akay, E., Dogan, G.D. (2010) Isotopic implications for the origin and the geodynamic nature of the Miocene granitic rocks in the northwest (Turkey): comparison with the central Aegean Sea magmatism. Geophysical Research Abstracts 12, EGU 2010, Vienna, Austria
A99 Scheeres, M., Hauschild, M., Schönfelder, M., Siebel, W., Pare, C.F.E., Alt, K.W. (2010) Isotopic evidence for migration and mobility in two Iron Age communities. International Symposium on Biomolecular Archaeology, SBA4, Copenhagen, Denmark
A98 Siebel, W., Schmitt, A.K., Danisik, M., Aydin, F., Kiemele, E., Jahn, S. (2010) Sr-Nd-Pb isotopic and age constraints on the origin of the Acigöl complex, Cappadocia. Tectonic Crossroads, AGU Speciality Meeting 2010, Ankara, Turkey
2009
A97 Erdogan, B., Akay, E., Hasözbek, A., Satir, M., Siebel, W. (2009) Kazdag Massif (NW Turkey): Metamorphic equivalent of the Mesozoic platform of Sakarya continent. Goldschmidt Conference Abstracts A335, Davos, Switzerland
A96 Erdogan, B., Akay, E., Hasözbek, A., Satir, M., Siebel, W. (2009) Geology and tectonic evolution of the Kazdag Massif (NW Anatolia). Geophysical Research Abstracts 11, EGU 2009, Vienna, Austria
A95 Hasözbek, A., Satir, M., Erdogan, B., Akay, E., Siebel, W. (2009) U-Pb geochronology and Sr-Nd isotopic composition of collision related granites in NW Anatolia. Geophysical Research Abstracts 11, EGU 2009, Vienna, Austria
A94 Hasözbek, A., Satir, M., Erdogan, B., Akay, E., Siebel, W. (2009) Magmatic evolution of the northwestern edge of the Tauride-Anatolide platform: geochronological and isotopic implications. Goldschmidt Conference Abstracts A499, Davos, Switzerland
A93 Kämpf, H., Bräuer, K., Dulski, P., Heuer, B., Mrlina, J., Niedermann, S., Siebel, W. (2009) A combined mantle xenolith and receiver function study in the western Bohemian Massif, central Europe. ILP joint Task Force meeting 5-9 October 2009, Clermont Ferrand, France
2008

A92

Ganwa, A.A., Frisch, W., Siebel, W., Ekodeck, G.E., Shang, C., Ngako, V. (2008) Archean inheritance in the Paleoproterozoic gneiss of Meiganga area (central North Cameroon): geochemical and 207Pb/206Pb imprint. African regional conference for launching the international year of planet Earth (IYPE) 08-09 May 2008, Arusha, Tanzania

A91

Ganwa, A.A., Frisch, W., Siebel, W., Ondoa, J.M., Shang, C., Djom, B. (2008) Zircon evaporation ages of Panafrican paraderivative rocks in the Kombé-II area (Bafia group, Cameroon): protolith age and hinterland evolution. Colloquium of African geology & Conference of the Geological Society of Africa 04-06 November 2008, Tunis

A90

Shang, C.K., Siebel, W., Rohrmüller, H. (2008) The Bavarian Forest basement: geochemistry and Sr-Nd isotope signature and implications for Bavarian granite sources. Journal of Alpine Geology 48 p.99

A89

Siebel, W., Shang, C.K., Reitter, E., Taubald, H. (2008) Element and isotope compositions of Variscan S-type granites reflect different basement domains. Goldschmidt Conference Abstracts A866, Vancouver, Canada

 

2007

A88

Hettmann, K., Siebel, W., Reinecker, J. (2007) Is there a genetic link between the granitoids of the western Aar Massif, Switzerland? New constraints from single-grain U-Pb zircon dating, isotopic and geochemical investigations. 8th workshop on Alpine geological studies, October, 10-12, 2007, Davos, Switzerland

A87

Siebel, W., Hann, H.P., Bertold, C., Shang, C.K., Rohrmüller, J., Wemmer, K. (2007) The age of the Danube fault, 40 years after W. Schreyer. Conference Supplement to Geochimica et Cosmochemica Acta, Goldschmidt Conference 19-24 August 2007, Cologne, Germany, p. A935

 

2006

A86

Liu, Y., Siebel, W., Wang, M. (2006) Intracontinental deformed processes of the eastern Himalayan syntaxis. Acta Geologica Sinica 80: 1274-1284 (in Chinese with English abstract)

A85

Nzegge, O.M., Satir, M., Siebel, W., Boztuğ, D. (2006) Geochemistry and zircon ages of plutons from the Kastamonu granitoid belt, Central Pontides-NW Turkey and regional geological implications. Geophysical Research Abstracts 8, SRef-ID: 1607-7962/gra/ EGU06-A-07523

A84 Shang, C.K., Liégeois, J.P., Satir, M., Siebel, W., Nsifa, E.N., Mvondo, J.O. (2006) Zircon Pb loss as a result of a metacratonization: The case of Sangmelima high-K granitoid zircons, Archaean Ntem complex, Congo craton, southern Camoroon. Geophysical Research Abstracts 8, SRef-ID: 1607-7962/gra/EGU06-A-03068

A83

Siebel, W., Chen, F.,  Reitter, E., Taubald, H., Halama, R. (2006) Ancient subcontinental lithospheric mantle probed by the Jiazishan intrusion, Sulu UHP terrane, eastern China. European Journal of Mineralogy 18 Bh. 1, p. 127

A82 Siebel, W., Hann, H.P., Rohrmüller, J. Shang, C.K. (2006) Genetic diatexite-granite link in the Regensburg Forest, Bavaria? Geophysical Research Abstracts 8, SRef-ID: 1607-7962/gra/EGU06-A-0605

 

 

 

2005

A81

Dolgopolova, A., Seltmann, R., Stanley, C.J., Weiss, D., Kober, B., Siebel, W. (2005) Isotope systematics of ore-bearing granites and host rocks of the Orlovka-Spokoinoe mining district, Eastern Transbaikalia (Russia).- In: Mao JW & Bierlein F (eds) Mineral Deposit Research: Meeting the Global Challenge. Proceedings 8th Biennial SGA Meeting, Beijing, China: 18-21 August 2005. Springer-Verlag, 4 pp  Download pdf-file

A80 Guo, J.H., Chen, F., Siebel, W., Zhai, M.G. (2005) Origin of syn- to post-collisional granitoids in the Sulu UHP belt, eastern China. Gondwana to Asia Symposium - A comparative study to the geological evolution of Eastern Asia. 2005, Beijing. p. 19
A79 Kovařikova, P., Siebel, W., Jelinek, E., Stemprok, M., Kachlik, V., Holub, F. (2005) Mafic intrusions (redwitzites) of the Slavkovsky les (Kaiserwald). Geoscience Reports, Research for 2005, Česky geologické sluzba, 111-113 (in czech with english abstract)

 

 

 

2004

A78 Chen, F., Guo, J.H., Siebel, W., Vennemann, T. (2004) Zircon age and oxygen isotope composition of migmatite from the North Dabie. 2004 Symposium of Petrology and Geodynamics in China. Abstract Volume, p. 16

A77

Chen, F., Siebel, W., Guo, J.H. (2004) Zircon age evidence for Early Paleozoic magmatism in the Baoshan-Tengchong block of the Tethyan Yunnan, China. Conference Supplement to Geochimica et Cosmochemica Acta, Goldschmidt Conference 5-11 June 2004, Copenhagen, Denmark, p. A547

A76

Chen, F. Guo, J.H., Jiang, L.L., Siebel, W. (2004) Provenance of the Beihuaiyang low-grade metamorphic zone of the Qinling-Dabie orogenic belt, eastern China: zircon ages as indicator. International workshop  The tectonic evolution of the southern granulite terrain, southern India and Gondwanian correlations, 18-23 Feb. 2004, Hyderabad, India

A75

Dekant, Ch., Siebel, W., Putis, M., Frisch, W., Markl, G. (2004) Strukturell-metamorphe  und geochronologische Entwicklung des ostalpinen Kristallins der Kreuzeckgruppe, Kärnten. European Journal of Mineralogy 16  Bh. 1 p. 30

A74

Jelinek, E., Siebel, W., Kachlik, V., Stemprok, M., Holub, F.V., Kovaŕikova, P. (2004) Petrology and geochemistry of mafic intrusions in the Western Kruzné hory pluton in the vicinity of Abertamy and Marianske Laznĕ). Geoscience Research Reports for 2003, Czech Geol. Survey, Praha, pp. 109 - 112 (in Czech)

A73

Liu, Y., Siebel, W., Li, J., Xiao, X. (2004) Characteristics of the Main Central Thrust and southern Tibetan detachment in the Tingri area, southern Tibet , and ages of their activities. Geological Bulletin of China, 23(7): 636-644 (in Chinese with English abstract)

A72

Siebel, W., Chen, F., Blaha, U., Rohrmüller, J., Shang, C. (2004) Timing of mylonitization along the Bavarian Pfahl zone, Bohemian Massif: implications from U-Pb and Pb-Pb radiometric ages of a dyke-host rock association. Conference Supplement to Geochemica et Cosmochemica Acta, Goldschmidt Conference 5-11 June 2004, Copenhagen, Denmark, p. A546

A71

Trumbull, R.B., Schnurr, W., Clavero, J., Gardeweg, M., Hahne, K., Siebel, W. (2004) Twenty million years of ignimbrite eruption in the south-central volcanic zone of the Andes (25-27°S): time-space variations and relationships with the large-volume "flare-up" systems. IAVCEI'04 General Assembly, November 14-19, 2004. International Earth Science Congress, Pucon, Chile

A70

Yan, L., Siebel, W., Massonne, H.J., Xiao, X. (2004) Tectonic evolution of the central Higher Himalayan Crystallines in the Kharta area, southern Tibet: New constraints from geochronological data. Conference Supplement to Geochimica et Cosmochemica Acta, Goldschmidt Conference 5-11 June 2004, Copenhagen, Denmark, p. A621

 

 

 

2003

A69

Chen, F., Guo, J.H., Siebel, W. (2003) Zircon ages of the Haizhou group (SuLu belt): Further evidence for late Proterozoic magmatism along northern periphery of the Yangtze Block. IGCP-440 International Symposium on "Assembly and Breakup of Rodinia", 9-18 October 2003, Hanzhou, China

A68

Chen, F., Guo, J.H., Jiang, L.L., Siebel, W. (2003) Detrital zircon ages of the Beihuiyang low-grade metamorphic zone of the Qinling-Dabie orogeny and geological implications. Symposium on Geodynamics of continental plate subduction and exhumation, 21-24 Nov. 2003, Hefei, China, Abstract Volume 7-10

A67

Chen, F., Guo, J.H., Zheng, Y.-F., Siebel, W. (2003) Late Proterozoic magmatism within the Dabie-Sulu collisional belt, eastern China : Response of the Yangtse craton to the break-up of Rodinia? International Symposium on The role of Sri Lanka in Rodinia and Gondwana assembly and breakup, 29th March -3rd April 2003, Kandy, Sri Lanka

A66

Jelinek, E., Siebel, W., Kachlik, V., Stemprok, M., Holub, F.V., Kovaŕikova, P. (2003) Mafic intrusions as precursors of peraluminous granites of the Kruzné hory/Erzgebirge batholith.  Geoscience Research Reports for 2002, Czech Geol. Survey, Praha, pp. 23 - 25 (in Czech)

A65

Schwab, M., Ratschbacher, L., Siebel, W., McWilliams, M.O., Mineav, V.T., Chen, F. (2003) Crustal Assemblage of the Pamirs: age and origin of magmatic belts from the Southern Tien Shan to the Southern Pamirs and their relation to Tibet. EGS - AGU - EUG Joint Assembly, Nice, France, April 2003

A64

Vennemann, T., Marks, M., Siebel, W., Markl, G., Potter, J. (2003) Implications of extremely low D/H ratios of amphiboles from alkaline syenite complexes to the fluid evolution in such magmatic systems. Swiss Geoscience Meeting, 28-29 November 2003

A63

Vennemann, T., Marks, M., Siebel, W., Markl, G., Potter, J. (2003) Extremely low D/H ratios of amphiboles from alkaline syenite complexes: implications for the genesis of alkaline to peralkaline magmas or problems with mineral-water fractiuonations? Goldschmidt Conference, 7-12 September, Kurashiki, Japan

 

 

 

2002

A62

Chen, F., Guo, J.H., Siebel, W., Cong, B., Satir, M. (2002) Late Proterozoic thermal event along the northern Yangtze plate related to the breakup of Rodinia: Zircon ages of gneisses from the Dabie-Sulu UHP collisional belt. European Journal of Mineralogy 14  Bh. 1, p. 32  

A61

Chen, F., Guo, J.H., Siebel, W., Satir, M. (2002) Provenance of low-grade metamorphic terrains of the Dabie UHP collisional zone, central China. Goldschmidt Conference, 8-23 August 2002, Davos, Switzerland Geochemica et Cosmochimica Acta, 66, S1, p. A134

A60

Chen, F., Siebel, W., Satir, M. (2002) Zircon geochronology and geochemistry of the Fürstenstein pluton, Bavarian Forest. European Journal of Mineralogy 14  Bh. 1, p. 33

A59

Halama, R., Markl, G., Siebel, W. (2002) Isotopic constraints on gabbroic magma genesis in the Gardar rift province, South Greenland. European Journal of Mineralogy 14  Bh. 1, p. 62 

A58

Marks, M., Markl, G., Siebel, W. (2002) Crust-mantle interaction during the genesis of alkaline to peralkaline intrusions: a Nd-isotopic comparison between two igneous complexes of the Gardar province, South Greenland. European Journal of Mineralogy 14  Bh. 1, p. 107

A57

Nzegge, O., Satir, M., Siebel, W., Terzioloğlu, N. (2002) Are all the plutons of the Kastamonu granotoids belt, Central Pontides - NW Turkey of middle-Jurassic age?: Genesis and geochronology of Sivrikaya complex. European Journal of Mineralogy 14  Bh. 1, p. 120

A56

Schwab, M., Siebel, W., Ratschbacher, L., Chen, F., Frisch, W. (2002) Crustal assemblage of the Pamirs: age and origin of magmatic belts from the southern Tien Shan to the southern Pamirs. Journal of Asian Earth Sciences 20, No.4A: Special Abstract issue: 17th Himalaya-Karakorum-Tibet workshop, Sikkim, India 25.03.-27.3.2002, p. 40

A55

Shang, C., Satir, M., Siebel, W., Nsifa, E.N., Taubald, H., Liegeois, J.P., Tchameni, R., Tchoua, F.M. (2002) Geochemistry, Rb-Sr and Sm-Nd isotope systematics of K-rich granitoids from the Congo craton: case of the Sangmelima region, Ntem Complex, Southern Cameroon. European Journal of Mineralogy 14  Bh. 1, p. 155 

A54

Shang, C., Siebel, W., Satir, M., Nsifa, E.N., Taubald, H., Chen, F., Liegeois, J.P. (2002) Geochemical and geochronological investigations of TTG rocks from the Ntem Complex, Congo craton and implications for post magmatic evolution. Goldschmidt Conference, 8-23 August 2002, Davos, Switzerland, Geochemica et Cosmochimica Acta, 66, S1, p. A700

A53

Siebel, W., Chen, F., Satir, M. (2002) Geochemistry and zircon ages of Variscan S-type granites from the western Bohemian Massif. Goldschmidt Conference, 8-23 August 2002, Davos, Switzerland, Geochemica et Cosmochimica Acta, 66, S1, p. A714

A52

Siebel, W., Chen, F., Satir, M. (2002) Pb-Pb zircon and U-Pb Titanite dating of Bavarian redwitzites. European Journal of Mineralogy 14  Bh. 1, p. 156

A51

Siebel, W., Chen, F., Shang C, Rohrmüller, J. (2002) Alterstellung der Palite des Bayerischen Pfahls. Pangeo Austria, 28-39 June, Salzburg, Austria, Abstract volume, 166-167

A50

Spiegel, C., Siebel, W., Kuhlemann, J., Frisch, W. (2002) A combined approach of zircon fission track dating, Nd isotope geochemistry, and the sediment budget of the foreland basins. GSA annual meeting, October 27-30, Denver, U.S.A.

A49

Wang, P.J., Satir, M., Chen, F., Siebel, W., Chen, S.M. (2002) Volcanics within and around the Songliao basin, NE China: constraints on basin dynamics. IGCP-420 Workshop, August 5-14, Changchun, China, Abstracts and excursion guidebook, 105-111  

 

 

 

2001

A48

Chen, F., Guo, J., Siebel, W., Cong, B., Satir, M. (2001) Late Proterozoic magmatism and metamorphism recorded in zircons of gneisses from the HP metamorphic zone of the Dabie Mountains, China. Abstract Volume, Workshop "Continental subduction detachment and delamination, 21-24 November, Xi'an, China, 102-105

A47

Chen, F., Siebel, W., Guo, J., Cong, B., Satir, M. (2001) Zircon ages and Nd isotopes of gneisses from the Susong complex in Dabie Mountains, China: evidence for Neoproterozoic metamorphism and magmatism of the Yangtze block. Terra Nostra 5/01, 12-14 

A46

Chen, F., Siebel, W., Satir, M. (2001) Zircon and zircons: unveiled by the stepwise leach experiment. Journal of Conference Abstracts 6, 1, p. 679  

A45

Lennox , P.G., Trzebski, R., Müller, A., Siebel, W., Armstrong, R. (2001) Crustal evolution of the Eastern Lachlan Fold Belt. SGTSG field meeting - a structural odyssey, Ulverstone, Tasmania. Geological Society of Australia, Abstracts 64, 108-109  

A44

Nguyen, T.T.B., Satir, M., Chen, F., Siebel, W., Vu, H.N. (2001) Geochemical and Nd-Sr-O isotopic evidence for origin of the granitoids from the Dalat zone, southern Vietnam. Journal of Conference Abstracts 6, 1, p. 431  

A43

Nzegge, O., Satir, M., Siebel, W., Chen, F., Reitter, E. (2001) Geochemistry and geochronology of the Sivrikaya and Devrekani granitoids, and basement of the Middle-Jurassic Kastamonu granitoid belt: further evidence for the tectonic evolution of the Central Pontides, N.W. Turkey. Terra Nostra 5/01, 54-56  

A42

Shang, C.K, Satir, M., Siebel, W., Taubald, H., Nsifa, E.N., Westphal, M., Reitter, E. (2001) Genesis of K-rich granitoids in the Sangmelima region, Ntem complex, Cameroon. Terra Nostra 5/01, 60-62

A41

Shang, C.K., Taubald, H., Satir, M., Siebel, W., Nsifa, E.N., Vennemann, T., Njilah, I.K., Ghogomu, R. (2001) Evidence for a non-cogenetic relationship between monzogranites and TTG suite: Sangmelima region, Cameroon.  Journal of Conference Abstracts 6, 1, p. 576

A40

Volker, F., Rohn, J., Siebel, W. (2001) Olivin-Melilithite und vulkanogen beeinflußte  Karbonatitbildungen vom Westrand der Hegau-Vulkanprovinz. Terra Nostra 5/01, 79-81

A39

Weldeab, S., Hemleben, Ch., Emeis, K.C., Siebel, W. (2001) Climate coupled variation of terrigenous flux in the eastern Mediterranean Sea : implication for climatic conditions in the catchment areas. Terra Nostra 5/01, 82-84

 

 

 

2000

A38

Lennox, P.G., Trzebski, R., Palmer, D., Siebel, W., Armstrong, R. (2000) Using geophysics and geology to determine the upper crustal architecture in the northern part of the Eastern Lachlan Fold Belt (ELFB). 15th Australian Geological Convention, Geological Society of Australia Abstracts 59, 298

A37

Nguyen, T.T.B., Satir, M, Siebel, W., Chen, F. (2000) Geochronology of granitoids from the Dalat zone, southern Vietnam. European Journal of Mineralogy 12,  Bh. 1, p. 139

A36

Wang P.J., Satir, M., Siebel, W., Chen, F. (2000) Sr, Nd, Pb and O isotopes of volcanic rocks in the Songliao basin (SB), NE China : constraint on tectonic setting. European Journal of Mineralogy 12,  Bh. 1, p. 228

A35

Schwab, M., Ratschbacher, L., Siebel, W., Chen, F., Frisch W. (2000) Cenozoic differential exhumation within a N-S traverse across the Eastern Pamirs. International PAMIR workshop, Bayreuth 22./23. July 2000

 

 

 

1999

A34

Haschke, M., Günther, A., Scheuber, E., Siebel, W., Reutter, K.J., Wörner, G. (1999) Increasing TTG-signatures in late Eocene magmatic arc rocks (north Chilean Precordillera) with crustal thickening:  a link between Jurassic-Cretaceous arc systems and late Cenozoic magmatism in the central Andes.  Journal of Conference Abstracts 4, 1, EUG 10, Strasbourg, p. 415

A33

Haschke, M.R., Günther, A., Scheuber, E., Siebel, W., Reutter, K.-J., Wörner, G. (1999) Repeated crustal thickening and igneous recycling during the Andean orogeny (21.5 - 26 °S), abstract, EOS Trans., AGU, 80 (46), Fall Meeting Suppl., p. 1051

A32

Siebel, W., Schnurr, W., Hahne, K., Kraemer, B., Trumbull, B.R. (1999) Silicic ignimbrites in the southern central Andes (25-27 °S, 67-69 °W):  new aspects of felsic magmatism. 4th International Symposium on Andean Geodynamics, ISAG 99, 4.-6.10.1999, Göttingen, Institut de Recherche pour le Developpement, Paris, 686-688

A31

Trumbull, R., Lindsay, J., Schmitt, A., Siebel, W., Schilling, F., Giese, P., Wigger, P., Brasse, H., Lucassen, F., Franz, G. (1999) Crust - mantle mixing in continental arc magmas: petrologic and petrophysical investigations in the central Andes.  Geophysical Research Abstracts 1, 1, p. 66

 

 

 

1998

A30

Becchio R., Fountoura Hansen, M.A., Haase, G., Siebel, W., Trumbull, R.B., Viramonte, J., Volker, F., Zimmer, M. (1998) Trace element and isotopic geochemistry of lavas from Trindade and Martin Vaz, S. Atlantic.  IAVCEI International Volcanological Congress 11.-16.7.1998, Cape Town, South Africa, Abstract volume, p. 6  

A29

Haschke, M.R., Günther, A., Siebel, W., Scheuber, E., Reutter, K.-J. (1998) Magma source variations for late Cretaceous to early Oligocene magmatic rocks of the Chilean Precordillera (21 - 26 °S): aspects on water fugacity and crustal thickness, Terra Nostra, 98/5, 16. LAK, Bayreuth, 63-64  

A28

Kramer, W., Haase, G., Romer, R., Siebel, W. (1998) Temporal magmachemical trends in the Jurassic volcanic arc near Iquique (20°30'S) and Arica (18°30'S), North-Chilean coastal range: isotope- and element chemical constraints. Terra Nostra, 98/5, 16. LAK, Bayreuth, 92-93  

A27

Siebel, W., Trumbull, R.B., Lucassen, F., Emmermann, R., Haase, G., Hahne, K., Kraemer, B., Lindsay, J.M., Schmitt, A., Schnurr, W., Wolter, M. (1998) Isotopic contrasts in Neogene ignimbrites from the central Andes (23°-27°S): source heterogeneity or different petrogenesis? Terra Nostra 98/5, 16. LAK, p. 152

A26

Geochemistry of Miocene magmatic rocks in southern Bolivia - Wolter, M., Siebel, W. (1998) Tupiza, Atocha, Uyuni. Terra Nostra 98/5, 16. LAK, Bayreuth, 176-177

 

 

 

1997

A25

 

Schmitt, A., Lindsay, J.M., Thomas, R., Trumbull, R., Siebel, W. (1997) Estimates of magmatic pressure, temperature and water concentrations in late Neogene ignimbrites of the Altiplano-Puna Volcanic Complex: evidence for deep-seated magma chambers.  VII CONGRESO GEOLOGICO CHILENO. August 4-8, 1997, International Earth Science Congress, Antofagasta, Chile

A24

 

Siebel, W.  (1997) Hercynian granites of the West Bohemian Massif  (Germany, Czech Republic): Emplacement sequence and temporal variation of magma sources. IAVCEI'97 General Assembly, January 19-24, 1997, International Earth Science Congress, Puerto Vallarta, Mexico, Abstract-Volume, p. 145  

A23

Siebel, W., Rhede, D., Henjes-Kunst, F. (1997) Zusammenhang zwischen Chemismus und Argon-Retentiviät in Hornblenden?  European Journal of Mineralogy 9,  Bh. 1, p. 335  

A22

Siebel, W., Trumbull, R.B., Hahne, K., Emmermann, R., Büsch, W., Gerstenberger, H., Wittenbrink, R. (1997) Relationships between age and composition of Miocene to Recent arc magmas from the Central Andes, 25°-26°S and implications on crustal contamination. VII CONGRESO GEOLOGICO CHILENO. August 4-8,1997, International Earth Science Congress, Antofagasta, Chile  

A21

Siebel, W., Hahne, K., Trumbull, R.B., Gerstenberger, H., Haase, G., Emmermann, R., Wittenbrink, R. (1997) Relationships between age and composition of Miocene to Recent arc magmas from the central Andes, 25°-26°S and implications on crustal contamination. - Deformation Processes in the Andes - new data and problems, Workshop, July 31 - August 2, 1997, Antofagasta, Chile  

A20

Trzebski, R., Siebel, W. (1997) Integrated gravity, structural and isotopic data as constraints for the intrusion timing and tectonic setting of granite  emplacement. IAVCEI'97 General Assembly, January 19-24, 1997. International Earth Science Congress, Puerto Vallarta, Mexico, Abstract-Volume, p. 126  

A19

Trumbull, R.B., Hahne, K., Emmermann, R., Büsch, W., Gerstenberger, H., Siebel, W., Wittenbrink, R. (1997) Relationships between age and composition of Miocene to Recent arc magmas from the Central Andes, 25-26°S and implications on crustal contamination.  VII CONGRESO GEOLOGICO CHILENO. August 4-8, 1997, International Earth Science Congress, Antofagasta, Chile

 

 

 

1996

A18

Siebel, W., Irber, W., Raschka, H., Höhndorf, A., Kreuzer, H., Lenz, K.-L. (1996) Early-Palaeozoic acid magmatism in the Fichtelgebirge, NE Bavaria. Journal of Conference  Abstracts 1, p. 568  

A17

Siebel, W., Wendt, I. , Breiter, K., Höhndorf, A., Henjes-Kunst, F., René, M. (1996) Rb-Sr, K-Ar geochronology and Nd isotopic study of contrasting granite massifs in western Bohemia. Journal of Conference Abstracts 1, p. 569  

A16

Irber, W., Siebel, W., Müller, P., Teufel, S. (1996) Leaching of Rb and Sr (Sr-87/Sr-86) of Hercynian peraluminous granites with application to age determination. Journal of Conference Abstracts 1, p. 281

 

 

 

1995

A15

Siebel, W., Wendt, I. (1995) Intrusionsgeschichte und Magmenevolution der spät-varistischen Granite in NE-Bayern basierend auf geochronologischen, isotopischen und geochemischen Daten. - Geological investigations around the KTB-Locality - Final Workshop of the Continental Deep Drilling Programme of the Federal Republic of Germany (KTB) organized by the Geological Survey of Bavaria (BGLA) and the German Science Foundation (DFG),  Munich, November 16-17, 1995,  Poster and Abstract    

A14

Siebel, W. (1995)  The Sm-Nd method applied to evolved granites - a  reconnaissance study.  TERRA nova 7, abstract supplement 1, p. 348  

A13

Siebel, W., Breiter, K., Höhndorf, A., Wendt, I. , Henjes-Kunst, F. (1995) Preliminary note on age relationships and Nd isotope composition of granitoids from the Bärnau-Rozvadov pluton, Western Bohemia. 8th Conference of the German Continental Deep Drilling Programme (KTB) Giessen, May 25-26, 1995, (Poster-Session)  

A12

Irber, W., Teufel, S., Siebel, W., Müller, P., Giese, U. (1995) The leachability of Rb and Sr (87Sr/86Sr) in peraluminous granitic rocks. European Journal of Mineralogy 7, Bh. 1,  p. 114  

A11

Irber, W., Möller, P., Teufel, S., Siebel, W. (1995)  Alteration von Graniten und Gneisen: Mobilität/Immobilität von Elementen und mögliche Konsequenzen für Rb-Sr-Altersdatierungen. Geologische Untersuchungen im Umfeld der Kontinentalen Tiefbohrung - Final Workshop of the Continental Deep Drilling Programme of the Federal Republic of Germany (KTB) organized by the Geological Survey of Bavaria (BGLA) and the German Science Foundation (DFG), Munich, November 16-17, 1995, Abstract

 

 

 

1994

A10

Siebel, W. (1994)  Inferences about magma mixing and thermal events from isotopic variations in redwitzites near the KTB site.  KTB-Report 94-3, 157-164

A9

Siebel, W. (1994) The Leuchtenberg Granite. In: Breiter, K. & Trzebski, R. (Eds): Granitoids of Western Bohemia and Oberpfalz. Field-Meeting, Ostruvek, June 16-19, 1994 (excursion guide)

A8

Siebel, W. (1994) Geochemical and isotopic (Sr, Nd) investigations of NE Bavarian granitoids: a comparison between the Fichtelgebirge and the northern Oberpfalz.  - Geodynamics of the European Variscides, Symposiom on  Permocarboniferous Igneous Rocks.  Bayreuth, Germany, October 16-20, 1994, 22-24.

 

 

1993

A7

Siebel, W. (1993)  Der Leuchtenberger Granit und seine assoziierten magmatischen Gesteine: Zeitliche und stoffliche Entwicklungsprozesse im Verlauf der Entstehung des Nordoberpfalz Plutons. Dissertation, University of Heidelberg, 308 pp.

A6

Siebel, W. (1993)  Chronometrische Untersuchungen am Leuchtenberger Granit und seinen räumlich assoziierten Redwitziten. 6th Conference of the German Continental Deep Drilling Programme (KTB) Giessen, April 1-2, 1993 , Abstract-Volume, 122-126  

A5

Siebel, W. (1993) Geochronology and petrogenesis of the Leuchtenberg granite and the associated redwitzites. KTB-Report, 93-2,  411-415

 

 

 

1992

A4

Siebel, W. (1992)  Der Mitterteicher Granit:  Geochemie und  Geochronologie. 5th Conference of the German Continental Deep Drilling Programme (KTB). Giessen, June 25-27, 1991, Abstract-Volume  

A3

Siebel, W. (1992)  Intraplutonische Variation von Rb/Sr-Isochronen- und K/Ar-Mineraldaten - ein Beitrag zum Verständnis von Isotopendaten in einem stark differenzierten Granitkörper. European Journal of Mineralogy  4, Bh. 1, p. 261  

 

 

1990  

A2

Siebel, W., Lippolt, H.J. (1990) Anzeichen für mehrstufige Alterationen an Lamprophyren des Schwarzwaldes. European Journal of Mineralogy 2, Bh. 1, p. 238  

A1

Siebel, W. (1990)  Chrono-mineralogische Untersuchungen an Lamprophyren des mittleren Schwarzwaldes und Spezialkartierung eines Gneisgebietes südöstlich von Hofstetten. Diploma thesis and mapping project, University of Heidelberg, 124 pp.