Editorial Contact: Barbara Goodman (703) 379-2480
November 8, 2000
To order:


ALEXANDRIA, VA — The American Geological Institute (AGI) will release the ninth edition of the GeoRef Thesaurus in November 2000. The ninth edition contains approximately 28,000 terms, of which nearly 1,500 are new additions.

Researchers throughout the world rely on the GeoRef Thesaurus to obtain the best results from literature searches of the GeoRef (Geological References) database and the Bibliography and Index of Geology. The GeoRef Thesaurus is a guide to the index terms used in GeoRef, a database consisting of more than 2.3 million bibliographic citations and abstracts covering all disciplines of the geosciences and allied environmental sciences. For each term, the Thesaurus includes, as appropriate, hierarchical, synonymous, and other relationships; usage notes; dates of addition; indexing rules; geographic coordinates; and guidelines for searching.

The main section of the GeoRef Thesaurus consists of term entries and cross-references, arranged alphabetically. In addition, hierarchical lists of systematic, geographic, and economic terms are provided in appendices. The GeoRef Thesaurus is generally organized according to the American National Standard, Guidelines for the Construction, Format, and Management of Monolingual Thesauri (ANSI/NISO Z39.19-1993).

The ninth edition is distinguished by the addition of 1,450 new terms and a number of corrections to existing terms. In addition, special consideration was given to environmental terms. About 400 Ocean Drilling Program (ODP) and Deep Sea Drilling Project (DSDP) site and Leg terms were added to complete coverage through ODP Leg 186.

Barbara Goodman, GeoRef Senior Editor, was responsible for preparing the GeoRef Thesaurus at AGI in consultation with the in-house staff and AGI’s Vocabulary Task Force, consisting of geoscience librarians and search experts from the United States and abroad.

The GeoRef Thesaurus, 9th Edition, (ISBN# 0-922152-55-1) consists of 830 pages, published in soft cover (8.5” x 11”). The AGI member price is $100.00; list price is $124.00. Please add an additional $11.00 for postage and handling costs in the contiguous U.S. Orders to addresses in Maryland and Virginia are subject to the applicable sales tax. All orders must be prepaid. Please make your check or money order drawn on a U.S. bank in U.S. funds payable to the American Geological Institute. AGI also accepts VISA and MasterCard. Orders are sent by UPS Standard Service, whenever possible, and take two to three weeks for delivery. To determine overseas shipping costs or for additional information, contact the AGI Publications Department.

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