Hydrothermal Reactions

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composition. As a result, several changes to the Constitution must be made for it to be consistent with our present structure. The Membership Committee, under the direction of Dick Schwoebel, has drafted proposed changes to the Constitution in order to accomplish this goal. Ed Beauchamp has made major contributions to this effort. These changes will be submitted to you, our members, for ratification. When you receive this information please consider it carefully and register your vote promptly. Our Annual Fall Meeting The Fall Meeting in Boston Nov. 26-30 promises to be the largest and best in the history of the Materials Research Society. More than 950 presentations will be made in the 16 topical symposia that comprise the technical program. Attendance is expected to be approximately 2,000 scientists and engineers. For the first time at an MRS meeting, a major Equipment Show will be included, and a formal job placement service will be provided. An expanded schedule of nine short courses will be offered. Articles describing the meeting and show will appear in the October issue of Physics Today and Semiconductor International, and other articles will appear in forthcoming issues of several other trade journals. Dozens of people have made major contributions to the planning of this meeting. If you haven't already, make plans now to attend—and participate in—the Boston meeting. It is the premier meeting in the world for materials professionals. I hope to see you there. C.W. "WOODY" WHITE President

HYDROTHERMAL REACTIONS MRS-Sponsored Second International Symposium Set To Be Held In August, 1985, At Penn State The Second International Symposium on Hydrothermal Reactions will be held Aug. 12-14, 1985, at The Pennsylvania State University, University Park, Pennsylvania. Growing out of meetings in Sweden and Japan, the conference is intended to bring together scientists active in research on high pressure aqueous and related chemical systems. Included will be applications to hydrothermal geochemistry, reactions used to prepare electronic materials and ceramics, hydrothermal crystal growth, near- and supercritical separations, corrosion chemistry, and the physical chemistry of fluids at high pressures and temperatures. It is sponsored by the Materials Research Society and other organizations. Nobel Symposium During the Nobel Symposium on "The Chemistry and Geochemistry of Solutions at High Temperatures and Pressures" in Sweden in 1979, participants became keenly aware that periodic meetings among chemists, geochemists,

materials scientists, and others actively investigating hydrothermal systems could substantially enhance the rapid sharing of information among researchers. The symposium concluded with a discussion of means by which such interaction would be possible (see p. 541, Nobel Symposium Proceedings, Physics and Chemistry of the Earth, volumes 13 and 14, edited by D.T. Richard and F.E. Wickman). In response, Professor Shigeyuki Somiya of the Tokyo Institute of Technology and his associates organized the First Inte