Résultats de la recherche (21 résultats)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Appreciating the geophysical cooperation between GDR and CSSR lasting now for 25 years, the AA. discuss the tectonical scheme of the border region elaborated by both sides, comprising mainly the Erzgebirge and the Lausitzer Bergland. This scheme
  • International cooperation in hydrology and water resources development
  • Copper dispersion in ephemeral stream sediments
  • Aeolian sandstones in the Copper Harbor Formation, Late Proterozoic, Lake Superior basin
  • Etude des grès à stratification oblique qui apparaissent dans la Formation de Copper Harbor. Ils sont interprétés comme le résultat de champs de petites dunes éoliennes transversales édifiées sur les parties asséchées d'éventails d'alluvion en
  • A micromorphological study of a brown leached soil profile polluted by the copper smalter Legnica (Poland) since 1959
  • Sites were established where sediments and water throughout the stratigraphic section were collected and analyzed. Chemical analyses indicate enriched concentrations of cadmium, copper, manganese, and zinc in sediments and porewater, and arsenic
  • cooperation. Dendrochronological research has expanded its geographical coverage, widened its scope and refined its approaches. This article attempts to introduce the fundamentals of this burgeoning science, dealing with a wide range of methods
  • The problems involved in the transformation of natural features into indicators reflecting social requirements and interferences are expressed, based on information from literature and experience gained by the author while he cooperated
  • are presented here and explained in detail. At the same time, the reader is informed about the plans agreed upon by the IUGS Commission on the International Geological Map. All colleagues interested in this important task are invited to cooperate
  • , apron phase and rechannelized phase. Copper-rich, coarse grained deposits were found along channel axes and down the apron flanks. The average thickness of and fraction of the sediment column occupied by turbidities was found to increase with distance