THE USE OF REMOTE SENSING AND GIS TO THE ECONOMIC GEOLOGICAL AND ENVIRONMENTAL RESEARCH OF MN-ORES, MACEDONIA AREA, GREECE.
11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 2, 337-344 pp
The present study has been carried out with the use of Remote Sensing techniques in
combination with Geographical Information Systems/GIS for monitoring and protection
of the environment, in the surroundings of mining areas, as well as for developing new
techniques for searching for new Mn-ore deposits, in Drama area, Northern Greece.
Various digital processing techniques were applied on LANDSAT-TM imagery. These
techniques included different methodologies, such as the “Principal Component
Analysis” (PCA), “Ratioing”, “Density Slicing”, “Intensity Hue Saturation” (IHS)
Transformation, and “Supervised Classification”. In some cases, the methodologies
were modified, in order to improve the final outcome.
By the use of these processing techniques, various enhanced images were produced, the
best of which were used to the False Colour Composite (FCC) synthesis. The above
composites of the FCC images were used for the identification and mapping of areas
with increased surface concentration of metallic minerals and delineation of photolineaments.
Furthermore, various GIS information levels were created, such as ores’ occurrences,
faults and drainage network, which were involved in the GIS, in order to produce new
maps. These new produced maps give more mineralogical and environmental
information for the area, such as the relation between ores and tectonics, the relation
between ores and drainage network, etc.
Keywords: Remote Sensing, GIS, Mn, ores, environmental protection
PAPER 2011/s08.104: THE USE OF REMOTE SENSING AND GIS TO THE ECONOMIC GEOLOGICAL AND ENVIRONMENTAL RESEARCH OF MN-ORES, MACEDONIA AREA, GREECE
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