Previous page     Contents     Next page

Contents
 
Foreword
 
1. Advisory Board and Management
 
  1.1 Advisory Board
  1.2 Management
 
2. Staff, Funding and Facilities
 
  2.1 Staff
  2.2 Funding
  2.3 Laboratory and office facilities
  2.4 Experimental equipment
 
3. Research Projects
   
  3.1. Phase Transformations and Deformation of Mantle Minerals
 
a.
Garnet symmetry in the Earth´s transition zone (S. Heinemann, T.G. Sharp,F. Seifert and D.C. Rubie)
 
b.
Intracrystalline transformation mechanism of natural olivine to wadsleyite and ringwoodite - an important mechanism for subduction zones? (L. Kerschhofer, T.G. Sharp and D.C. Rubie, in collaboration with M. Liu/Cambridge, USA)
 
c.
Mechanisms of transformation and deformation in (Mg,Fe)2SiO4 b-phase and spinel under non-hydrostatic stress (C. Dupas, T.G. Sharp and D.C. Rubie, in collaboration with W.B. Durham/Lawrence Livermore)
 
d.
Microstructure and microchemistry of experimentally deformed fine grained olivine - enstatite aggregates (T.F. Fliervoet, in collaboration with J.D. Lawlis/Pennsylvania State)
 
e.
The influence of deformation and recrystallisation mechanisms on textures and mesotextures in experimentally deformed olivine rocks. (T.F. Fliervoet, in collaboration with M.R. Drury/Utrecht and P.N. Chopra/Canberra)
 
f.
High temperature creep of an orthorhombic perovskite-YAlO3 (S. Karato and C. Dupas, in collaboration with Z. Wang/Minneapolis)
 
  3.2. Geochemistry at Extreme Pressures and Temperatures
 
a.
The influence of pressure and temperature on metal-silicate partitioning of highly siderophile elements (A. Holzheid and D.C. Rubie, in collaboration with H. Palme/Köln and H.St.C. O'Neill/Canberra)
 
b.
The effect of temperature on element partitioning at high pressures (C.K. Geßmann and D.C. Rubie)
 
c.
Experimental determination of the solubility of siderophile elements in a haplobasaltic melt. I. Solubility of Ir (W. Ertel and D.B. Dingwell, in collaboration with H.St.C. O'Neill/Canberra)
 
d.
Experimental determination of the solubility of siderophile elements in a haplobasaltic melt. II. Solubility of Pt and Rh (W. Ertel and D.B. Dingwell, in collaboration with H.St.C. O'Neill/Canberra)
 
e.
Rare earth element partitioning in upper mantle phases (V. von Seckendorff)
 
f.
Oxygen-fugacity constraints in multianvil high pressure experiments (C.K. Geßmann, C.A. McCammon and D.C. Rubie)
 
g.
Fe3+ content of (Mg,Fe)SiO3 perovskite and (Mg,Fe)O in laser-heated diamond anvil experiments (C.A. McCammon, in collaboration with A. Duba/Lawrence Livermore and P. Peyronneau, J.-P. Poirier and F. Visocekas/Paris)
 
h.
Ferric iron content of the lower mantle (C.A. McCammon)
 
i.
Topological constraints on the Fe phase diagram (F. Seifert, in collaboration with S.K. Saxena/Uppsala)
 
  3.3. Crystal Chemistry and Structure
 
a.
Structural characterisation of pentacoordinate silicon in a calcium silicate (R.J. Angel, F. Seifert and T.F. Fliervoet, in collaboration with N.L. Ross/London)
 
b.
Systematics in Si-K ELNES spectra of mixed-Si coordination compounds (B.T. Poe, F. Seifert and T.G. Sharp, in collaboration with Z. Wu/Paris)
 
c.
Electron-beam induced amorphization of stishovite: Silicon-coordination change observed using Si K-Edge Extended Electron Energy-Loss Fine Structure (T.G. Sharp and F. Seifert, in collaboration with P.A. van Aken/Darmstadt)
 
d.
The crystal structure of AlSiO3OH, a high-pressure, hydrous phase (L.W. Finger and R.J. Angel, in collaboration M.W. Schmidt/Clermond- Ferrand and R. Dinnebier/Bayreuth)
 
e.
Twinning, structure and phase transition of Ca3Mn2Ge3O12 garnet (S. Heinemann, R. Miletich, F. Seifert, T.G. Sharp and D.C. Rubie, in collaboration with R. Dinnebier/Bayreuth)
 
f.
Natural occurrence of MgSiO3-ilmenite and amorphized MgSiO3-perovskite in a shocked L5-6 chondrite (T.G. Sharp and C. Dupas, in collaboration with C.M. Lingemann/Münster)
 
g.
Investigation of Fe3+ crystal chemistry in (Mg,Fe,Al)(Si,Al)O3 perovskite: Mössbauer and Electron Energy Loss Spectroscopy (S. Lauterbach, C.A. McCammon and F. Seifert, in collaboration with P.A. van Aken/Darmstadt)
 
h.
Synthetics of CaCl2-type structures (B.T. Poe and D.C. Rubie, in collaboration with O. Ohtaka/Osaka)
 
i.
Structural compressibility and high-pressure crystal chemistry of synthetic braunite, Mn2+Mn3+6O8SiO4 (R. Miletich, D.R. Allan and R.J.Angel)
 
j.
High-pressure powder-diffraction studies of apatite (Ca5(PO)4(OH,F,Cl)). (D.R. Allan, R.J. Angel, R. Miletich, H. Reichmann, in collaboration with F. Brunet/Clermond-Ferrand)
 
k.
A high-pressure structural study of TiS2 to 8 GPa (D.R. Allan and R.J. Angel, in collaboration with Z. Wu/Paris)
 
  3.4. Transport Properties and Equilibration Processes
 
a.
Hydrogen diffusion and defect equilibration in olivine (S.J. Mackwell)
 
b.
ATEM measurements of diffusion profiles with microstructural characterization of interfaces (E. Meißner and T.G. Sharp, in collaboration with S. Chakraborty/Köln)
 
c.
Electrical conductivity of a perovskite-magnesiowüstite assemblage at 16 GPa (B.T. Poe and D.C. Rubie, in collaboration with A. Duba and J. Roberts/Lawrence Livermore)
 
d.
Chemical diffusion in granitic melts. I. Multicomponent diffusion in the molten system K2O-Na2O-Al2O3-Si2O-H2O (J.E. Mungall, C. Romano and D.B. Dingwell)
 
e.
Chemical diffusion in granitic melts. II. Diffusivities of Be, B, Mg, Ca, Ti, Ge, Sr, Y, Zr, Nb, Cs, Ba, Nd, Tb, Lu, Hf, Ta, and W at trace concentrations (J.E. Mungall and D.B. Dingwell, in collaboration with M. Chaussidon/Nancy)
 
f.
Pressure-temperature path determination in natural rocks (P.J. O'Brien)
 
  3.5. Fluids and Their Interaction with Silicate Melts and Minerals
 
a.
Supercritical behaviour in the albite - H2O system (A. Shen and H. Keppler)
 
b.
The solubility mechanism of water in silicate melts and glasses (N. Zotov and H. Keppler)
 
c.
Partitioning of alkali and alkaline earth elements between carbonatitic melt and aqueous fluid (I. Veksler and H. Keppler)
 
d.
The solubility of water in pyroxenes (M. Rauch and H. Keppler)
 
e.
Coordination of trace elements in hydrous fluids at extreme pressures and temperatures (M. Nowak and H. Keppler)
 
  3.6. Melt Physics and Chemistry
 
a.
The effect of normative anorthite on the viscosity of haplogranitic melts (D.B. Dingwell and K.-U. Hess)
 
b.
The influence of water on the viscosity of granitic melts of variable alkali/aluminum ratio (D.B. Dingwell, K.-U. Hess and C. Romano)
 
c.
The influence of Cl on melt viscosity in the Na-Fe-Si-O-Cl system (D.B. Dingwell and K.-U. Hess)
 
d.
The presence and importance of triclusters in silicate melts (M.J. Toplis and D.B. Dingwell)
 
e.
Viscosities, heat capacities and applications of the Adam-Gibbs theory (M.J. Toplis, D.B. Dingwell, T. Lenci, R. Knoche and K.-U. Hess)
 
f.
Study of element distribution between immiscible silicate and carbonate liquids in the rotating centrifuge autoclave (A.M. Dorfman, I. Veksler and D.B. Dingwell)
 
g.
Thermodynamics of 'geochemical twins' in granitic liquids (R.L. Linnen and H. Keppler)
 
h.
High-temperature density of fayalite melt (P. Courtial and D.B. Dingwell)
 
i.
High temperature density of Mare melts (P. Courtial and D.B. Dingwell, in collaboration with C.B. Agee/Harvard)
 
j.
Structural role of Al in aluminosilicate glasses as investigated by XANES spectroscopy (C. Romano, T.G. Sharp, P. Courtial and D.B. Dingwell, in collaboration with Z. Wu/Paris, A. Mottana and A. Marcelli/Rome and G. Giuli/Camerino)
 
k.
The influence of Al on Ti coordination in melts of the K2O-Al2O3-TiO2-SiO2 systems: a XANES study (C. Romano and D.B. Dingwell, in collaboration with E. Paris and G. Giuli/Camerino and A. Mottana and A. Marcelli/Rome)
 
l.
A new model for the solution mechanism of phosphorus in aluminosilicate glasses based on 1 and 2-D 31P MAS NMR spectroscopy (M.J. Toplis and T. Schaller)
 
  3.7. Physics of Magmatic Systems
 
a.
Reaction-generated microcracking: an experimental investigation of a mechanism for anatectic melt extraction (D.C. Rubie, in collaboration with J.A.D. Connolly/Zürich, M.B. Holness/Edinburgh and T. Rushmer/Vermont)
 
b.
Physical properties of the May 18, 1980 Mt. St. Helens cryptodome magma (M. Alidibirov, D.B. Dingwell, R. J. Stevenson and K-U. Hess, in collaboration with S.L. Webb/Canberra and J. Zinke/Frankfurt)
 
c.
Fragmentation mechanisms for highly viscous magma under rapid decompression (M. Alidibirov and D. B. Dingwell)
 
d.
Centrifuge modelling of crystal-melt fractionation in a partially molten fine-grained gabbro (A.M. Dorfman and D.B. Dingwell, in collaboration with N.S.Bagdassarov/Frankfurt)
 
e.
Viscosities of hydrous leucogranitic melts: a non-Arrhenian model (K.-U. Hess and D.B. Dingwell)
 
f.
The influence of minor water contents on the rheological properties of erupting rhyolitic magmas (R.J. Stevenson, D.B. Dingwell and C. Romano, in collaboration with N.S. Bagdassarov/Frankfurt)
 
g.
Rheological modelling of an erupting rhyolite lava flow and implications for volcanic hazard assessment (R.J. Stevenson and D.B. Dingwell, in collaboration with N.S. Bagdassarov/Frankfurt)
 
  3.8. Methodological Developments
 
a.
Quartz as an internal pressure standard in high-pressure crystallography. (R.J. Angel, D.R. Allan, R. Miletich and L.W. Finger)
 
b.
Gigahertz ultrasonic interferometry and X-ray diffraction of minerals at high pressure and high temperature using a newly developed diamond anvil cell (H.J. Reichmann, R. Angel, A. Shen, H. Schulze and R. Weigel, in collaboration with H. Spetzler/Boulder and W.A. Bassett/Ithaca)
 
c.
Electrical conductivity measurements of Earth's mantle minerals and rocks in the multi-anvil apparatus at high pressure and high temperature (Y. Xu B. Poe and D.C. Rubie)
 
d.
Towards an experimental study of deep mantle rheology: a new multianvil sample assembly for deformations studies under high pressures and temperatures (S. Karato and D.C. Rubie)
 
e.
A new apparatus to measure viscosity in an internally heated pressure vessel (C. Gennaro and D.B. Dingwell)
 
f.
A new technique for determining the solubility of metal oxides in silicate liquids (R.L. Linnen, M.J. Toplis and D.B. Dingwell)
 
g.
Synchrotron X-ray fluorescence analysis of gas bubbles in glass (C. Romano and D.B. Dingwell, in collaboration with F. Lechtenberg/Kiel)
 
h.
Analysis of individual synthetic fluid inclusions in haplogranitic glass by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) (B. Schaefer and D.B. Dingwell, in collaboration with S.E. Jackson and I. Horn/St. John's and D. Günther/Zürich)
 
i.
MAS NMR of crystalline ortho- and pyro-phosphates (S. Dusold, J. Kümmerlen, T. Schaller and A. Sebald, in collaboration with W.A. Dollase/Los Angeles)
 
4. Publications, Conference Presentations, Seminars, Visiting Scientists
 
  4.1 Publications (published)
  4.2 Publications (submitted, in press)
  4.3 Presentations at scientific institutions and at congresses
  4.4 Lectures and seminars at Bayerisches Geoinstitut
  4.5 Scientific conferences organized by/with assistance of Bayerisches Geoinstitut
  4.6 Visiting scientists
 
a.
Visiting scientists funded by the Bayerisches Geoinstitut
 
b.
Visiting scientists funded by EU Project "Access to Large Scientific Facilities"
 
c.
Visitors (externally funded)
  4.7 Theses
  4.8 Honours and awards
  4.9 Editorship of scientific journals
 
5. Scientific and Technical Personnel

Bayerisches Geoinstitut, University of Bayreuth, 95440 Bayreuth, Germany
Tel: +49-(0) 921 55 3700 / 3766, Fax: +49-(0) 921 55 3769, E-mail: bayerisches.geoinstitut(at)uni-bayreuth.de