Small-scale geochemical maps; a novel way to delineate areas favourable for ore deposition

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Authors:Koljonen, T.; Malisa, E.
Author Affiliations:Primary:
Geological Survey of Finland, Espoo, Finland
University of Dar es Salaam, Tanzania
Volume Title:Transactions - Institution of Mining and Metallurgy. Section B: Applied Earth Science
Source:Transactions - Institution of Mining and Metallurgy. Section B: Applied Earth Science, Vol.101, p.161-164. Publisher: Institution of Mining and Metallurgy, London, United Kingdom. ISSN: 0371-7453
Publication Date:1992
Note:In English. 12 refs.; illus. incl. geol. sketch maps
Summary:Mineralizing solutions migrate only along fractures that they can traverse easily. The chemical composition of these solutions varies widely and is dependent on such factors as T. During migration the solutions affect the chemical composition of the bedrock by leaching out and depositing material, which may also result in changes in its mineral composition. As shown by the example of Finland, chemical changes show up on geochemical maps, allowing the fractured zones that have been affected by mineralizing solutions to be recognized, the deposition processes of ores to be investigated and changes in the chemical composition of the mineralizing solutions to be studied. [R.E.S.]
Subjects:Clastic sediments; Geochemical maps; Geochemical methods; Maps; Mineral deposits, genesis; Mineral exploration; Mineral resources; Sediments; Till; Europe; Finland; Scandinavia; Western Europe
Abstract Numbers:93M/3203
Record ID:1993042269
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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