Amphiboles and Other Hydrous Pyriboles: Mineralogy 9781501508219, 9780939950102

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REVIEWS in MINERALOGY Volume 9A

/WCMX\*

AMPHIBOLES

and OTHER HYDROUS PYRIBOLES - MINERALOGY DAVID R. VEBLEN, Editor The Authors James B. Thompson, Jr.

Subrata Ghose

Dept. of Geological Sciences Harvard University Cambridge, MA 02138

Dept. of Geological Sciences University of Washington Seattle, WA 98195

Frank C. Hawthorne

David R. Veblen

Dept. of Earth Sciences University of Manitoba Winnipeg, Manitoba R3T 2N2 Canada

Malcolm Ross U.S. Geological Survey 959 National Center Reston, VA 22092

Series Editor

Dept. of Earth and Planetary Sciences The Johns Hopkins University Baltimore, MD 21218

Tibor Zoltai Dept. of Geology and Geophysics University of Minnesota Minneapolis, MN 55455

Paul H. Ribbe Department of Geological Sciences Virginia Polytechnic Institute and State University Blacksburg, Virginia 24061

MINERALOGICAL SOCIETY OF AMERICA

COPYRIGHT 1981 Mineralogical Society of America PRINTED BY BookCrafters, Inc. Chelsea, Michigan 48118

REVIEWS IN MINERALOGY (Formerly:

SHORT COURSE NOTES)

ISSN 0275-0279 VOLUME 9A: AMPHIBOLES and Other Hydrous Pyriboles - Mineralogy ISBN 0-939950-09-X 0-939950-10-3

ADDITIONAL COPIES Additional copies of this volume as well as those listed below may be obtained at moderate cost from Mineralogical Society of America 2000 Florida Avenue, NW Washington, D.C. 20009 Vol.

SULFIDE MINERALOGY, P.H. Ribbe, Editor (1974)

Vol.

FELDSPAR MINERALOGY, P.H. Ribbe, Editor (1975; revised 1981) ^300 p.

Vol.

OXIDE MINERALS, Douglas Rumble III, Editor (1976)

Vol.

MINERALOGY and GEOLOGY of NATURAL ZEOLITES, F.A. Mumpton, Editor (1977)

284 p. 502 p. 232 p.

Vol.

ORTHOSILICATES, P.H. Ribbe, Editor (1980)

Vol.

MARINE MINERALS, Roger G. Burns, Editor (1979)

380 p.

Vol.

PYROXENES, C.T. Prewitt, Editor (1980)

525 p.

Vol. 8:

KINETICS of GEOCHEMICAL PROCESSES, A.C. Lasaga and R.J. Kirkpatrick, Editors (1981)

391 p.

Vol. 9A: AMPHIBOLES and Other Hydrous Pyriboles - Mineralogy, D.R. Veblen, Editor (1981) Vol. 9B: AMPHIBOLES: Petrology and Experimental Phase Relations, D.R. Veblen and P.H. Ribbe, Editors (1981)

ii

381 p.

372 p. ^375 p.

REVIEWS in MINERALOGY FOREWORD It was immediately preceding the annual meetings of the Geological Societ of America in 1965 that the first mineralogical "short course" was sponsored t the American Geological Institute.

That course on feldspars was convened by

J.V. Smith of the University of Chicago; approximately one hundred geologists participated in the lectures, discussions and workshops. course were exactly that:

The notes for that

skeletal outlines with a few hand drawn figures int

spersed.

They were duplicated on Ditto machines and assembled in small 3-ring

binders.

The thirty to forty pages of notes have long since faded to unreada-

bility.

I recall David Stewart once saying that that would be an appropriate

fate for all geological literature.

But such is not to be, for mineralogical

short courses have become institutionalized. The Mineralogical Society of America revived the short course "movement" in 1974 with lectures and workshops on sulfides in Miami. approximately one hundred geologists.

It was attended by

Volume 1 of "Short Course Notes,"

Sulfide Mineralogy, was 284 pages long and represented contributions from six authors.

It is in its third printing.

This year (1981), participants in the

course on amphiboles at Erlanger, Kentucky, convened by David Veblen, will number approximately one hundred geologists, but the published "notes" may threaten many of them with excess baggage charges on their return flights. No less than two (2) volumes totalling 750 pages were prepared for this event by no less than seventeen (17) authors. The first press run will total 2 x 4501 copies (up from 1 x 1500 copies in 1974), with the first 1450 copies of volumes 9A and 9B being sent to all of M.S.A.'s institutional and library subscribers. Furthermore, the ink is unfading and the covers are plastic-coated! Paul H. Ribbe Series Editor Blacksburg, VA N.B. - Additional copies of this and other volumes now published by the Mineralogical Society of America under the title "Reviews in Mineralogy" are available at a moderate cost (about 2