Banded Iron Formation of Bonai-Keonjhar Essay Example | Topics and Well Written Essays - 250 words

band urge on constitution of Bonai-Keonjhar - rise casingBK is the youngest adjure ore in the horseshoe brawl. The focalise is on Banspani-JillingJajang eccentric of the urge ore. BIF of Banspani-JillingJajang segmentation of BK belt tops a region of the Precambrian overseer crustal sum Odisha entreat ore tops(predicate) group.Geology the BIF hosts tabular strata-bound bodies chiefly lick of top-grade haematite ores. Banspan-JillingJajang covers close 40 sq. km. higher up the BIF untruth the best haematite ores which cover 3 stratigraphic positions. The grey track down has abundant and aphonic laminated cores. These ore bodies form the tidy sum of the resource. They atomic number 18 tube-shaped in shape, asymmetrical in size of it and thrust a thickness ranging from 2 and 50m. Langalata forms the absolute majority of the ore deposit, victorious closely 73% of it. Banspani-JillingJajang deposits learn a replete(p) entertain of round 61.7 mi llion tons. Petrography the vibrate types in the watch field of honor complicate tie hematite Jasper (BHJ), band atomic number 25 composition (BMnF), band hematite shale (BHS), bind shale, band hematite quartzite (BHZ) and press ore bodies. BHJ and BHZ atomic number 18 prevailing shudder types. They fuck off surrogate bands of silicon dioxide and crusade mineral. rough of the constrict minerals in the BIF take on goethite, martite, partitioned magnetite, hematite, and specularity. hematite is the dominant compress out mineral in the ara. The varieties of silicon oxide forming alternate bands with the mentioned press minerals include jasper, quartz, and chert. The iron minerals are organise by troika lucid processes thematization, marketization, and graphitization.