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  Explanatory note of Lower Balesur map Khak-e Khoob Consulting Engineers 1992
Lower Balesur explanatory note
Explanatory note of Lower Balesur map
 
  Page 1
 
   Explanatory note of Lower Balesur map
  
   Abstract
   At 1991, according to a contract between the Industries and Mines Organization of Azarbaijan-e Gharbi and Khak-e Khoob Consulting Engineers, a 320 Km2 wide area in the northwest of Khoy was selected to be mapped for geology and geochemistry on the scale 1:50000. After literature review, the filed geology was done at 1992. 15 ~1:50000 aerial photographs were used for photogeology in the 1:50000 topography map of Lower Balesur. For geochemical survey, a network was designed. Each stream sediment sample was 0.5 Kg in weight. Totally, 83 samples were analyzed. 15 heavy mineral samples were also prepared. Petrological and paleontological samples included 34 specimens. The only existing previous documents included the Khoy 1:250000 geology quadrangle and a report about mineral potentials of the Azarbaijan-e Gharbi prepared by Kawoshgaran Consulting Engineers at 1990. Another report by the same company was written for the mineral potentials of the Golvanas area of Khoy at 1980.
   The area consists of the ultrabasic rocks and colored mélanges and is favorable for massive sulfide deposits as well as non-metallic minerals including silica, talc, asbestos etc. During this study several anomalies were identified.
   1- An 11 Km2 wide area at south and west of Jongesar village containing a Pliocene granodiorite intruded in the diabase and pillow lava basalts. Intensely altered zones existed in the area that is favorable for Cu-Zn-Pb polymetallic mineralization.
   2- Two zones that are 25 and 2.5 Km2 are located at south and southwest of the map no 25 in the report. Both areas have similar lithology involving ultrabasic to basic rocks. E-trending thrusts caused the emplacement of these Upper Cretaceous rocks over the Paleocene limestone and conglomerate. There are three other fault zones in the 25 Km2 wide area. Large serpentinized zones in the northern portion of this anomaly near the asbestos-bearing veins, confirms the intensive alteration of the zone. The ultrabasic body may contain considerable amount of chromite.
  
 
 
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