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  Semi-detailed mineral exploration in the Bavanat area Ali Shahiri Kan-Iran Cons. Eng. 2006
Mineral exploration in Bavanat
Semi-detailed mineral exploration in the Bavanat area
 
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   Semi-detailed mineral exploration in the Bavanat area
  
   Abstract
   The semi-detailed exploration project in the Bavanat County in the Fars Province was conducted under a contraction between the Industries and Mines Organization of Fars and the KaniIran Consulting Engineers at 2005. The aim of project is to prospect for Nickel mineralization in the laterite deposits in the ophiolitic rocks of the Bavanat. The area under study is 440 Km2. the project was conducted in two preliminary and semi-detailed steps. At first step, sampling was done to identify favorable zones. The second step includes excavation and sampling for selection of proper nickel-bearing laterite and identification of its extent and grade. In this study, totally, 200 samples were analyzed by XRD, XRD, ICP-MS and studied for mineralogy and petrography. The laterite samples analyzed at ALS-Chemex laboratory of Canada. Excavations include trenches and low depth holes that totally reach to 200 m in length.
   The first identified zones is the Cheshme-Rostami area in the southeastern end of study area that contains serpentinized harzburgite and and dunite with microgabbro. Upper parts of this series include red, brown to pink laterite soils, conglomerate and nodular limestone. Average Ni grade in 61 samples taken from the area is 0.35%. High Ni grade was observed in the dark to pink weathered zones. We predict a 16m thick laterite soil with 0.6 Ni, in the area west to the trench T1, in the Cheshme-Rostami area.
   The second zone is Baboljoze that contains Paleocene lateritre soil, ultrabasics and gabbro. 59 samples taken from 37 holes and two trenches show average 1720 ppm Ni content. The result of study in the zone shows that the Baboljoze zone is not a proper Nickel deposit.
   The third zone is the Cheshme-Triaki in which laterite soils has 2141 ppm Ni averagely. This value obtained from analysis of 12 samples from the holes drilled in the area. Ni, Co, Cr and Fe have maximum concentration is the southern portion of Cheshme-Triaki. Lithology of this zone includes Paleocene limestone, and laterite soils that contain fragments of radiolarite and serpentinized ultramafic and mafic rocks.
  
 
 
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