German – Russian bilateral symposium and excursion

23.4. - 24.4.2012 Symposium Bremen
25.4. - 29.4.2012 Eifel excursion

Variability and complexity of minerals
and their synthetic analogues
of the Vulkaneifel and related provinces

Organising committee

Prof. Dr. Thorsten M. Gesing (Bremen)
Prof. Dr. Dr. h.c. Wulf Depmeier (Kiel)
Dr. s.c. Nikita V. Chukanov (Chernogolovka)
Gabriele Ebert (Bremen)
Willi Schüller (Adenau)
Bernd Ternes (Mayen)

Sponsored by:

Symposium Bremen

23.04.2012 - 24.04.2012
D-28359 Bremen, Leobener Straße 2, Building NW2, Lecture Hall C0300
Monday, 23rd April 2012
10.00 Registration
13.00 Welcome
Poster presented at the Symposium
Anna G. Turchkova A new NH4-bearing variety of rhodesite from Graulay, Eifel, Germany.
Lectures are planned for an average of 20' talk + discussion
Talks could also be 10' but not longer than 45'
13.15 - 15.45 Lectures (Chair: J.-Ch. Buhl)
Hermann Gies Sodalite layers as silicate fragments in hydrous layer silicates: Precursors to SOD-type frameworks.

Irma Poltz Synthesis, crystal structure and high temperature behavior of Na8[GaGeO4]6(BH4)2.

Alexey R. Kotelnikov Experimental study of F- bearing sodalite

M. Mangir Murshed NMR studies on sodalites

15.45 - 16.15 Coffee break
16.15 - 18.15 Lectures (Chair: W. Depmeier)
J.-Christian Buhl Low temperature (333 K) syntheses of nanocrystalline sodalites, cancrinites and intermediate structures between sodalite and cancrinite

Jörg Göttlicher Sulfur Speciation in Silicates with X-ray Absorption Spektroscopy at the SUL-X beamline of the Synchrotron Radiation Source ANKA

Thorsten M. Gesing Temperature dependent behavior of sodalites

Lars Robben Thermal behavior of sodalites examined by autocorrelation analysis of temperature dependent FTIR spectra

Anatoly N. Zaitsev Mineral chemistry and crystal structure of haüyne from the Oldoinyo Lengai volcano, northern Tanzania

20.00 Bremen at night (free offer)
Tuesday, 24th April 2012
9.00 - 10.30 Lectures (Chair: Th. M. Gesing)
Wulf Depmeier Modulated Structures in the Sodalite-Cancrinite Supergroup

A.R. Kotelnikov Synthesis of hydrocancrinite

Aleksandr E. Zadov The conditions of tacharanite formation

Sergey V. Krivovichev Quantitative evaluation of structural complexity

10.30 - 11.00 Coffee break
11.00 - 13.00 Lectures (Chair: S. V. Krivovichev)
Igor V. Pekov Sulfite anion in thaumasite-group minerals: the thaumasite–hielscherite isomorphous series

Nikita V. Chukanov Crystal chemistry of phyllosilicates from the Aris phonolite and the Eifel volcanic complex

Anatoly N. Zaitsev Mineralogy and geochemistry of the Sadiman volcano, Crater Highlands, northern Tanzania

Inna S. Lykova Low-temperature alteration of Lomonosovite amd Vuonnemite under laboratory conditions: New data.

13.00 - 14.30 Lunch
14.30 - 16.30 Lectures (Chair: N. V. Chukanov)
Dmitriy A. Varlamov Noble-metal mineralization in effusive ultrapotassic basic volcanites (the Polar Urals)

Sergey N. Britvin Structural speciation of intrachannel anions in the minerals of Ettringite-Thaumasite family

Stanislav K. Filatov Specific features of exhalations and exhalative minerals of basaltic volcanism (Tolbachik volcano, 1975-1976, Kamchatka, Russia)

Oleg I. Siidra Structural features of Pb and Tl oxysalt minerals originated from volcanic exhalations and subsurface water solutions.

16.30 - 17.00 Coffee break
17.00 - 19.00 Lectures (Chair: O. I. Siidra)
Mariya G. Krzhizhanovskaya High temperature crystal chemistry of borosilicate feldspars comparing to their aluminosilicate analogues

Rimma S. Bubnova High-temperature crystal chemistry of leucite family: crystal structure, thermal expansion and phase transitions.

Johannes Kähn The anomalous annealing behaviour of Eifel sanidines Status quo and new approach with neutron diffraction

Jürgen Schreuer Elastic and thermoelastic properties of sanidine megacrystals from the quaternary volcanic fields of the Eifel, Germany

19.00 final remarks
  end of symposium

Eifel Excursion

25.04.2012 - 29.04.2012
Wednesday, 25th April 2012
10.34 Departure from Bremen main station by train
15.56 arrival Ahrbrück
Excursion planning
Thursday, 26th April 2012
Rother Kopf
Kyller Felder
Gerolsteiner Brunnen AG
Friday, 27th April 2012
Nickenicher Sattelberg
Laacher See Gebiet
Saturday, 28th April 2012
Nickenicher Weinberg
Sunday, 29th April 2012
Liley, Wartgesberg
Auf´m Kopp