diagnostic spectral information about the composition 
of rocks than the (VIS)and (NIR)range. This region is 
characterised by high reflecttance values of most rock 
types covered by the 1.6 Mm central band(TM-5)and by 
strong and relatively sharp absorption features for 
clays, carbonates covered by the 2.2Mm centred band 
(TM-7)caused by lattice overtone, bending stretching 
vibrations of O-H bonds resp. C-O-bonds. High- 
resolution visible (HRV)-Spot-spectra serves as a guide 
for detailed examination lt is a fact, that all 
information derived from a seven-band sensor TM and 
three band sensor(Spot)can not conveniently be 
presented within one single image product. Hence it is 
generally a problem to select a subset from a multiband 
image for enhancement by ratioing, pc-analyses or 
color compositing. The decisions on which strategy to 
choose are determined by several different 
facts, involving the objectives of the particular 
application, and the choice of bands and algorithms. 
References : 
-Bjorn Rindstad & Arne Gronlie, Geological Survey of 
Norway, Trondheim, Norway, Landsat TM data used in 
the mapping of large-Scale Geological structures, 1989 
-BRGM., 1977 . Photogeological survey of the Eastern 
Palmyrides . Ministry of Petroleum and Mineral 
Resources, Damascus, Syria. 
-Chavez P.S. Jr,Berlin G.L.& Acosta A.V.1987 : 
computer processing of Landsat MSS digital data for 
linear enhancement. Mapping with remote sensing 
data. Proc.Sec.An. pecora mem. Symp. Sioux 
Falls, South Dakota,235-250. 
-Dubertret, L., and Mouty, m., 1992. The Senonian in 
the Palmyridian Chain. Internal Report, SAEC, 
Damascus, Syria. in Arabic. 
-Explanatory notes of the Geological maps of Syria . 
-HAYEZ, 1985. Using of Remote Sensing to 
morphology Estuarine Research, vol.2: 3-22,1979. 
-Magnetic and gravity maps of the Palmyrides area , 
TechnoExport contract 945 Syria. 
-Tucker C.J.& Sellers P.1.1986. Satellite Remote 
Sensing of primary production. Intl. JL.of Remote 
Sensing ,1986, vol. 7,no 11. 
-Tommervik HT. 1986. Comparsion of SPOT- 
simulated and Landsat-5 TM imagery in geological 
mapping . In ternational Society for photogrammetry 
and Remote Sensing, Com. VII, "International 
Symposium on Remote Sensing Resources 
Development and Environmental Management", 25-29. 
August, 1986,Enschede, Holland. 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996 
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