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Geochemical Explo.- Tighe Noab
Semi-detailed Exploration of Minerals within Darmian County -Geochemical and Geological Explorations in Tighe Noab
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بعديآخرين
   Abstract
  
   The current report is the result of the semi-detailed geochemical studies (1:25,000) relying upon the chemical analysis of metallic elements and heavy mineral throughout the Tighe Noab region with an area of about 8 km2. Mahirood topographic sheet (1:50,000), Gazic geological and topographic map 1:250000 scale and also 1:100000-scale systematic geochemical and geological studies previously conducted in this area have been the main basis of these studies.
   From geological point of view, this region has been covered by shale deposits, sandstones and sometimes Eocene limestones while penetrated by quartz microdiorite rocks during Oligo-Miocene period.Moreover, in some parts of the mass injection place, particularly in calcareous ones, skarnification and crystalization of carbonate units are quite noticeable and so are the copper and iron mineralizations caused by the replacements in the intended contact.
   A semi-detailed scale sampling operation was conducted for 90 geochemical samples (-80 mesh) besides 15 heavy mineral samples (almost 12 per km2).The geochemical samples having been prepared in (-200 mesh) grading were sent to Als-Chemex laboratory of Canada for some chemical tests and then analyzed for 35 elements.Likewise the heavy mineral ones were microscopically studied to detect the minerals of importance immediately after the preparation stages .
  
 
 
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