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Автор: Jesse Russell
Год: 2013
Издание:
Книга по Требованию
Страниц: 118
ISBN: 9785514433049
High Quality Content by WIKIPEDIA articles! Hajigak Mine is the best known and largest iron oxide deposit in Afghanistan is located at Hajigak in Bamyan Province, it is also asia’s biggest untapped iron ore deposits. The deposit itself stretches over 32 km and contains 16 separate zones, up to 5 km in length, 380 m wide and extending 550 m down dip, seven of which have been studied in detail. The ore occurs in both primary and oxidized states. The primary ore accounts for 80% of the deposit and consists of magnetite, pyrite and minor chalcopyrite. The remaining 20% is oxidized and consists of three hematitic ore types. The deposit remained unmined in 2006. The presence of coking coal nearby at Shabashak in the Dar-l-Suf District and large iron ore resources made the deposit viable for future development of an Afghan steel industry. Open pit mining and blast furnace smelting operations were envisioned by an early feasibility study. The Hajigak also includes the unusual niobium, a soft...
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