3 resultados para Placer deposits

em Aquatic Commons


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This partial translation of the original paper provides the summary of this study of the mechanism of mass transfer in the formation of hydrothermal deposits of sulphides. For determining the solubility of sulphides of iron, the radioactive isotope Fe59 was used. The solubility of two sulphides was determined.

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A progress report on the bathymetric survey of Windereme undertaken in June 1937 by the Hydrographic Department of the Admiralty. The brief article outlines the background of the surveying process as well as the initial effectiveness of the survey work. There is a brief background to the geomorphological processes which were involved in shaping the Lake District topography, as well as some explanation of previous studies undertaken in the area. The report includes a figure showing the cross sections of lake beds and a figure detailing a core from the bottom deposits of Windermere.

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An article detailing further developments in the bathymetric survey work as detailed in the 6th annual report of the Freshwater Biological Association. Work has concentrated on investigating the layering in lake deposits (with the use of special equipment and corers), extending the area of lake for bathymetric surveys and the analysis of diatoms and plant material from core samples. A number of waterbodies in the Lake District are investigated, including: Bassenthwaite Lake, Derwentwater, Ennerdale Water, Rydal Water, Coniston Water, Buttermere Lake, Grasmere Lake, Esthwaite Water, Loweswater Lake, Haweswater Reservoir, Crummock Water, Ullswater Lake, Thirlmere Reservoir, Wastwater and Lake Windermere.