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  • Results of an inventory of the largest deposits as well as the small occurrences of the district undertaken by the Geological Survey of Belgium. A model of the mechanisms of ore concentration and guides for the prospection are proposed. (LW).
  • The Stavelot Massif from Cambrian to recent. A survey of the present state of knowledge
  • Belgium ; Regional geology
  • and remaining problems, of the geological investigations during the past decade. - (Les AA.).
  • A Monography initiated by the International Colloquy on the Quaternary and Tertiary Geology of the Southern Bight, North Sea, Ghent, Belgium, May 28-30 1984.
  • Belgian Geological Survey, Belgique
  • Teledetection techniques for tracing a lineament between Diest and Visé, Belgium in Caledonides. Brabant. Midlands. Volume of abstracts.
  • A gradient filter with a NW-SE direction and a threshold of 10 has been applied on a Landsat TM spectral band 4 image, covering NE Belgium, by making use of a digital image processing system. A gradient type filter is normally used to trace linear
  • Geological Survey of Belgium, Belgique
  • The employment of geography graduates: a comparative survey of west Germany, Belgium and the United Kingdom
  • Groundwater contaminants from land disposal of residues: a survey in the Province of Antwerp, Belgium
  • An intensive zoogeographical and ecological survey of theiland Mollusca of Belgium: aims, methods and results (Mollusca: Gastropoda)
  • IGPB-related research in Belgium
  • Belgium ; Earthquake ; Natural hazards ; Seismic hazard ; Tectonics
  • The study of earthquakes evidences types of geological movements which enliven earth crust faults in Belgium. - (L. W.).
  • Het Goorken en de Lokkerse Dammen (Arendonk, België). 1. Inleiding en fytosociologische schets. (Het Goorken and de Lokkerse Dammen (Arendonk, Belgium). 1. Introduction and phytosociological survey)
  • Exploration for coal in the Neeroeteren-Rotem Area (Campine coalfield of the Campine-Brabant Basin NE. Belgium). Preliminary results of a seismic survey carried out in December 1980-January 1981
  • This paper presents a multidisciplinary approach for studying the evolution of an alluvial fan system in Lower Khuzestan (SW Iran). The study draws on previously collected data from geological and archaeological field campaigns and new data derived
  • [b2] Geological Survey of Belgium, Bruxelles, Belgique
  • Rill erosion on arable land in Central Belgium : rates, controls and predictability
  • This study uses data obtained, during four years, from a rill erosion survey on 86 fields, varying in slope and length and selected in the area around Leuven.
  • Geochemical inventory in the stream sediments over the Palaeozoic formations of Belgium
  • As a continuation of a stream sediment reconnaissance for uranium in the Palaeozoic of the Belgian Ardennes, a multielement survey is now carried out in the same region. The mean density is one sample per km2 and the area covers 12,000 km2.
  • De geologische en mineralogische kartering in België onder het Hollands bewind. in Leven en werken van J.G.S. van Breda (1788-1867).. (The geological and mineralogical mapping of Belgium during the Dutch administration)
  • Belgium ; Geological map ; Geological structure ; Map library ; Regional geology ; Wallonie
  • Belgium ; Cartography;Mapping ; Flanders ; Methodology ; Soil ; Soil properties ; Soil science
  • A sampling strategy for quantitative soil survey includes two different samplings : (i) a reconnaissance sampling to characterize the variogram required to optimize the sampling scheme for (ii) the actual survey. For the actual survey a sampling
  • spacing of 2 km in a square grid was found to result in an acceptable maximum kriging estimation error of 5,76 %. The proposed sampling strategy would require 408 observations in total. This is 71 % less than the sampling during the National Soil Survey.
  • of the Geological Map of Belgium is made.
  • Evaluation of some photo-interpretation methods in relation with soil survey in the southern Campine, Belgium
  • First order gravity network of Belgium
  • Belgium ; Data processing ; Fitting ; Geodesy ; Gravimetry ; Ground survey ; Observation network
  • Lichenometry of Lecanora muralis as a method for an air pollution survey by school children
  • Atmospheric pollution ; Belgium ; Biogeography ; Bioindicator;Biological indicator ; Brussels ; Environment ; Lichen ; Pollution ; Vegetation
  • School children (age between 6 and 16 years) participated in an air pollution survey in the Brussels region. The lichenometric method used shows that air pollution, especially SO2 pollution, influences lichen growth and development. A map