The Ahangaran Mine
Garaveh Natural Bitumen Mine
Takiyeh mine
Gomish tapeh Lead & Zinc Mine
The Ahangaran Mine:
Geographic location of Ahangaran Mine:
Ahangaran mine is located in the western part of Iran and southeast of Hamedan province, and 23 km distant from east of Malayer. It has an approximate mine area of 25.29 km2.
Extraction in iron and lead Ahangaran Mine:
.Lead has been extracted from Ahangaran mine since 1335. The extraction of lead ore in this mine is done underground by digging loader tunnels with a total length of more than 12 kilometers in this mine.
Extraction of iron in the mine is performed using open-pit and stair methods. The height of the stairs is about 15 meters. Iron Ore grade is about 40% of pure iron. Ironstone is extracted using classic method, including drilling and firing.
This company owns three Gilsonite mines in Kermanshah province.
Garaveh Natural Bitumen Mine:
This mine is located in 20 km east of Qasr Shirin city, and its reserve is about 170 thousand tons. The reserve is located at a depth of 10 to 30 meters from the surface, with a slope facing south and a thickness of 3 to 7 meters. The mine is currently extracted using open-pit method. Over the past 8 years, it has been selected as the best bitumen mine of Iran in terms of technical engineering and mining quality.
Takiyeh mine:
is located in the town of Shazand in Central province, on the eastern wing of Takiyeh village, 2 kilometers from Haft Emarat mine. The distance between Takiyeh village and Arak is about 50 kilometers. By using the high assay, extraction is carried out in the form of following the stratum. Furthermore, in the more depth of the surface it is likely to be the zinc deposits in the form of sulfide. The exploration activities are operating in this mine.
Extraction in the Garaveh Mine
Extraction in this mine is performed in two methods. For thicker areas (thickness greater than 5 m), the open-pit method is used, and for areas with less thickness, groundwater method is used. In the open-pit method, the tailings thickness is about 70 meters. It is extracted using stair open extraction in which stairs have height of 12 meters and width of 10 meters. The underground method in this mine is of the type of the room and the foundation, which its foundations are 2-3 meters in width and the type of materials is extracted from minerals and the extraction recovered is about 60 precents.
Extraction in Ahangharan Mine
Extraction of iron in the mine is performed using open-pit and stair method. The height of the stairs is about 15 meters. Ironstone grade is about 40% of pure iron. The extraction of Iron Ore is performed using a classic method, including drilling and firing. If the ore deposit discovered by exploration engineers is sufficiently rich and the volume of its storage is considerable, so that extraction of the material is economically profitable, it will be called mine. The art of extracting material from a mine is also a branch of mine engineering called mining engineering. It is one of the oldest and most complex engineering fields of study in the world. Being qualified to study in this field of study will require an interest and basic information on engineering mathematics, advanced geometry, innovative designs, and spatial visualization, mechanics, and heavy machinery. Graduates of this field of study will be able to design, manage, and extract a mine explored until the delivery of raw materials to the market stage. Extraction engineering activities in the fields of excavation include creating open and underground spaces at small to very large dimensions, structural engineering and maintenance, transportation of excavated and extracted materials, ventilation throughout the underground, collecting groundwater, and ultimately minerals business and economics. At the same time, these engineers play a major role in tunnel and metro engineering, and the creation of underground spaces and caves of hydroelectric power plants in the dam construction industry and the environment
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