This report is a product of the Committee on USGS Water Resources Research, which provides consensus advice to the Water Resources Division (WRD) of the U.S. Geological Survey (USGS) on scientific, research, and programmatic issues. The committee is one of the groups that works under the auspices of the Water Science and Technology Board (WSTB) of the National Research Council.

In a well stratified flysch in the French Pyrenees, the offset of layers along a fault zone provide good data of relative displacement. It is shown that the fault surface is composed of three right-stepping fractures that opened tensile bridges along small left-stepping fractures. Translation on the fault zone is parallel to the fault surface. The displacement vector field shows that the movement between the two blocks was not a rigid body translation and that deformation in the hanging wall is greater than that in the foot wall. Volume loss within the rock is compensated by volume increase close to the fault surface.

Calcite dissolution and reprecipitation by pressure solution is indicated by the occurrence of stylolites and numerous calcite-filled veins around the fault. Calcite dissolution is more important in the hanging wall, especially in layers where the calcite content is close to 60%. Both cathodoluminescence observations and rare-earths element patterns are in favour of calcite in veins and dominos coming from units adjacent to the fault. There is no evidence that some calcite coming from farther distance could have entered in the system.

G. A . EFIMOVA, I . V . ZHUKOV, V . A . KALININ : Spectral approach to determination of longitudinal elastic wave attenuation in rocks at pressures up to 1.5 GPa

T . S. LEBEDEV, V. A . KORCHIN: A method of programmed modelling of thermobaric conditions of the lithosphere for studying mineral matter physical properties 

I . 0 . BAYTJK, V . A. KALININ : Effective elastic moduli of isotropic rocks at high pressure

T. S . LEBEDEV, G. Y. NOVIK, V. A. KORCHIN, M. G. SILBERSHMIT, T. K . ZAVORIKINA: Structural transformations of rocks and their effect on changes in elastic properties under different thermobaric conditions

Muz. K H . BAKIEV, A. K H . IBRAGIMOV : Study of P-wave velocity and density of Uzbekistan rock samples under high quasi-hydrostatic pressure up to 1.6 GPa 

This volume is a collection of lectures presented during the 2009 International School on High-pressure Crystallography, which took place at the Ettore Majorana Center for Scientific Culture, between June 4 and 14, 2009, in the very picturesque Sicilian town of Erice. The 2009 school was the 41st course of the “International School of Crystallography” organized at the Majorana Center and was directed by Elena Boldyreva (Novosibirsk University) and Przemyslaw Dera (University of Chicago). Unmatched support and excellent on-site organization was provided by the expert team consisting of Prof. Paola Spadon (Uniersity of Padova), Prof. Lodovico Riva di San Severino (University of Bologna), Elena Papinutto and Prof. John Irvin (University of California, San Franciso), aided by great team of young local organizers (“orange scarfs”). <...>