Vol. 14 No.4 December 1991

Journal of International Geoscience

Published by the International Union of Geological Sciences

Contents

Articles

            Significance of the Altun Tagh fault of China
              by Zheng Jiandong
               PDF(968KB)

             Macintosh decoder and retrieval program for the international igneous rock data base IGBA
              by Michael Wheatley and Nicholas Rock 
           PDF(903KB)

            Of clocks and rocks-The four aeons of Earth
            by E.G.Nisbet
           PDF(298KB)

            Decision on the Devonian-Carboniferous boundary stratotype
              by Eva Paproth,Raimund Feist,and Gerd Flajs
           PDF(1,347KB)

            Fieldwork:An essential component of geoscience education and training
              by P.G.Cooray
           PDF(2,103KB)

            John Graham Ramsay
              by Allan Lopez
           PDF(2,444KB)

Conference Reports

            Global Bioevents—Innovations and revolutions in the biosphere
            Symposium on potassic and ultrapotassic magmas and their origin
            Progress report on IGCP Project 280:The Oldest Rocks on Earth
            Arctic Siberia opens its doors to IUGS
            Third International Symposium on the Cambrian System
            Eleventh African Symposium of Micropaleontology and First Symposium of Stratigraphy and Paleogeography of West African Sedimentary Basins
            International Symposium on Alluvial Gold Placers
      PDF(3,877KB)

News Reports

           Creation of new umbrella organization for earth sciences in Africa
           Philippine volcano dust temporarily cools Earth
           Pinatubo exerts global influence—Obscure volcano wraps Earth in gaseous veil that promises shaded planet,vivid sunsets
           A first approach to digital mapping of landslide hazards in the Andes of Colombia using remote sensing techniques(GARS project)
       
     PDF(6,462KB)

News Briefs

Book Reviews

           Lithospheric Dynamics Atlas of China
           The Highlands Controversy

     PDF(1,691KB)

New publications

Training

Calendar

IUGS Directory

Front Cover