| Contents | 1. Hammen, T. van der - Introduction and short outline of the history of the 'younger' areas of the Guianes 2. Aguiar, G.A. de...[et al.] - Prospecceos geologicas e geofisicas executadas pela Petrobras na foz do Amazonas 3. Bateson, J.H. - Geochemical investigation of the Eagle mountain area 4. Loemban Tobing, D.P. - Geology of the Avanavero region in West Suriname 5. O-Herne, l. - Presentation of the photogeological map of Suriname, 1 : 1000000 6. Zonneveld, J.I.S. - Preliminary remarks on summit levels and the evolution of the relief in Surinam (S.America) 7. Barron, C.N., Carter, M.W. and Rodwell, G.N. - The present approach to mineral exploration in Guyana 8. Barruol, J. - Hydrogeological research in French Guiana 9. Brown, H.D. and Salisch - Logging programs for wildcats in South America 10. Coleridge, H.G., de Miranda, H.A. and Sonneveld, P. - Preliminary data on the occurrence of oil in the coastal area of Surinam 11. Delaney, P.J.V. - Late recent geologic history of coastal Surinam 12. Doeve, G. - review of the mineral potential of Surinam 13. von Esbeck-Platen, H.H. - Some engineering-geological aspects for hydroelectrical projects in Surinam 14. Grant, W.H. - Weathering of granite in tropical and subtropical environments 15. Suescun Gomez, D. - Activities of the Colombian Mineral Inventory Agency 16. Zonneveld, J.I.S. - Heavy mineral distribution in the coastal plain of Surinam 17. Guicherit, R. - recent shallow refraction seismic surveys in the coastal area of Surinam 18. Rodwell, G.N. and Barron, C.N. - The ground investigation of a linear conducting zone detected by airborne geophysical survey in Northern Guyana 19. Anderson, R. - geophysical survey operations of the Demerara Bauxite Company in connection with the search for bauxite in Guyana 20. Boeckel, J.J.G.M. van - Geomagnetic and gravitational investigations in Surinam and their structural implications 21. Cambridge, R.A. - Some notes on the interpretability of Surinam aeromagnetic data |