Mining in Tajikistan

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Mine near Darwaz, Tajikistan. Mine-site, near Darwaz, Tajikistan.jpg
Mine near Darwaz, Tajikistan.

Tajikistan has rich deposits of gold, silver, and antimony. The largest silver deposits are in Sughd Province, where Tajikistan's largest gold mining operation is also located. Russia's Norilsk nickel company has explored a large new silver deposit at Bolshoy Kanimansur. More than 400 mineral deposits of some 70 different minerals have been discovered in Tajikistan, including strontium, tungsten, molybdenum, bismuth, salt, lead, zinc, fluorspar, and mercury. [1] [2] These minerals have been found suitable for mining. [3] Uranium, an important mineral in the Soviet era, remains in some quantity but is no longer being extracted. The Tajikistan Aluminium Company (TALCO), an aluminium smelter, is the country's only large-scale production enterprise in the mining sector. [2] Tajikistan hosts the annual Mining World Tajikistan, an international exhibition on mining in Dushanbe.

Contents

History

Mine equipment destroyed during the civil war in Tajikistan Destroyed mine equipment.jpg
Mine equipment destroyed during the civil war in Tajikistan

The mining industry reached a notable level in the 9th–11th centuries, visible by ancient mining openings and metallurgical operations. These are evident in the Karamazar Mountains' Mansura mine, in the Kondara Ore Gorge, the Koninukra Silver Mine, Pamir, Darvaza, Kukhilal, and the Lyadzhvardara Lazurite Gorge. [4] The archaeologist Mikhail Evgenievich Masson explored early mining sites in the eastern Tajikistan mountains. [5]

Rare metals were not mined in Tajikistan before the World War II. The output of concentrates of rare metals in 1943, however, exceeded that of 1941 by sixty times, and that of 1942 by ten times. [6]

No copper, molybdenum, tungsten, or zinc has been produced in recent years and mining activity since the 1990s has been severely disrupted due to civil war and political conflict. Mineral exports contribute substantially to the national economy of Tajikistan. According to the 2008 statistics of the World Bank, aluminium contributed about 50% to the national exchequer, with aluminium and cotton accounting for 9% of the gross domestic product. [3]

Minerals

Gold

Gold mining in Tajikistan is significant to the world mineral market. According to estimates from the Tajik Academy of Sciences, gold deposits are estimated at 429.3 tonnes. [3] Tajikistan's largest gold mining operation is located in Sughd Province, with most gold being mined southeast of Gharm, in the Pamir Mountains, in the Yakhsu Valley, Chkalovsk and Jilau. [7] It has taken off since independence from Russia with 2,700 kilograms (6,000 lb) of gold mined in 2000 compared to 1,100 in 1996. [7] The Darvaz joint venture, in the Hatlon region of Eastern Tajikistan, did exploit the gold from 1997 to 1999, producing 110 kilograms (kg) of gold in 1997. However, operational problems arose following damage to the placer mining operation that took place during hostilities in the area in December 1996. Mills and the living quarters at the facility were damaged as result of the hostilities. [7] As of 2011, Tajikistan produces up to 1.3–1.5 tonnes of gold annually, with a significant investment from China, with Zijin Mining working in the country. [8] In January 2011, according to geologist Azim Ibrokhim, two massive gold deposits were discovered, one in the centre of the country contains 118 tonnes and the other in the north, which is believed to have 59 tonnes of gold. [8] Tajikistan plans to produce 2,441 kg of gold by the end of the year 2012. [9]

Silver

Proven silver reserves at Big Kon-i Mansur (کلان کان منصور) were determined during the Soviet era at about 50,000 tonnes, according to Tajikistan's Main Directorate of Geology (MDG). That total equals about 49g of silver per tonne of ore. The same tonne contains 480g of lead and 380g of zinc. The deposit has one billion tonnes of ore. The silver deposit is the world's second largest, according to the Tajik government. The world's most productive silver mine is Cannington in Australia. However, Soviet-era projections took only the most conservative estimates into account, geologists say; the ore could be richer than the Soviet estimates. [10]

Aluminium

The TALCO plant in Tursunzade Talco.jpg
The TALCO plant in Tursunzade

The Tajikistan Aluminium Company (TALCO; previously TadAZ, "Tajikistan Aluminium Smelter"), an aluminium smelter, is Tajikistan's only large-scale production enterprise in the mining sector, and runs one of the world's largest aluminium manufacturing plants, located in Tursunzade, in the country's western area. [2] [11] Its production capacity is reported to be 517,000 t/year (accounting for consumption of 40% of electrical energy generated in the country) and most of it is exported with only about 5000 t/year consumed within the country. [3] As of 2006, the company was responsible for some 416,000 tonnes of aluminium in their ball mills, connected to two 500 kW 6 kV motors. [12] Tajikistan's extensive aluminium processing industry depends entirely on imported ore.

Uranium

Uranium and graphite was formerly exploited by the Soviets, northeast of Khudzhand, but this industry has now diminished. [7] At its peak, the industry produced approximately 170 tonnes of waste rock annually. [13] The State Enterprise "Eastern Combine for Rare Metals" (IA Vostokredmet) has estimated that Tajikistan still has some 55 tonnes of uranium reserves remaining. [13] Vostokredmet established a plant in Chkalovsk in 1945, known as the Leninabad Mining and Chemical Combine, now Industrial Association "Eastern Combine for Rare Metals" (IA Vostokredmet), and the centre of the uranium industry in the Tajik SSR until it ceased in 1992. [2]

Other

Hambergite (a type of borate) mined in the Pamir Mountains Hambergite-rare08-22c.jpg
Hambergite (a type of borate) mined in the Pamir Mountains

Mercury was mined at the Dzhizhikrutskoye deposit, north of Dushanbe. Antimony was extracted at Isfara and Dzhizhikrutskoye (2,000 tonnes in 2000); and arsenic, cadmium, tungsten, and lead-zinc in the Yuzhno-Yangikanskiy deposit, north of the Zeravshan River. [7] Copper-bismuth, antimony-mercury, and lead-silver ores are also extracted. Antimony deposits are stated to be the largest in the Commonwealth of Independent States (CIS) region. Silver deposits have been reported from the northeastern region of Bol'shoy Kanimansur region, which are also considered as one of the largest in the world, apart from being the largest in CIS region. [3]

Rare metals reserves of gallium, germanium, indium, selenium, tellurium and thallium have been established; some amount of thallium was mined in the 1990s. [2] Some of the rarer minerals are said to be located in the Zerafshan region. [2] Northern Tajikistan has resources required for construction such as granite, limestone, marble and volcanic tuff. Coal extraction is also reported from Fan-Yagnon and Shurab areas. [3]

Strontium deposits have been established in the southern region of Tajikistan in the Chilkultan and Davgir region and these deposits are in the process of commercial exploitation. [3] Deposits of boron, sodium chloride, carbonates, fluorite, precious and semiprecious stones have also been reported. [14] Among the Central Asian republics, Tajikistan ranks first in lead, zinc, and fluorspar resources. [15]

Fossil fuels

Natural gas is produced in the Gissar Valley and Vakhsh Valley, oil in both the north and south and brown coal is produced at Shurab in the Leninabad region. [1] Coal exploitation in the country has been a major contributor to the national economy in recent years with output of hard coal increasing by 39% to 31,200 tonnes, and brown coal increasing by 70% to 15,200 tonnes. [1] The bulk of foreign investment into Tajik mining activities derives from companies from Canada, United States, United Kingdom, Korea, Germany, Switzerland, Italy, Hungary and Russia, although compared to some of the other Asian countries, investment is extremely low due to the proximity of Tajikistan to Afghanistan and political barriers. [1] [16]

Waste management

Heavy metals from mining can be harmful to the environment when left exposed, and failures to manage wastes may cause pollution. Wastes from the Anzob processing plant contain antimony, mercury, and sulfates. Wastes from the Adrasman plant contain cadmium, lead, and zinc. Wastes from the Leninabad rare metals plant contain cobalt, molybdenum, nickel, and tungsten. Wastes from the Takob smelter contain lead and zinc. [15] Mining and heavy industry in the Ferghana Valley have contaminated the soil with toxic heavy metals. [17]

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References

  1. 1 2 3 4 "Mining in Tajikistan". Mbendi Information Services. Archived from the original on 28 February 2001. Retrieved 18 April 2011.
  2. 1 2 3 4 5 6 Interior Department (COR) (14 March 2011). Minerals Yearbook 2008: Area Reports, International, Europe and Central Eurasia. Government Printing Office. p. 4. ISBN   978-1-4113-2966-9 . Retrieved 18 April 2011.
  3. 1 2 3 4 5 6 7 "The Mineral Industry of Tajikistan". United States Geological Survey (USGS). Retrieved 19 April 2011.
  4. ↑ Rubinstein, Julius B.; Barsky, Lev (15 August 2002). Non-ferrous metal ores: deposits, minerals and plants. CRC Press. pp. 138–. ISBN   978-0-415-26964-3 . Retrieved 22 April 2011.
  5. ↑ Cunliffe, Barry W.; Gosden, Chris; Joyce, Rosemary A. (2009). The Oxford handbook of archaeology. Oxford University Press. pp. 772–. ISBN   978-0-19-927101-6 . Retrieved 22 April 2011.
  6. ↑ Canadian Mining Institute (1946). Canadian mining journal. Southam Business Communications. p. 624. Retrieved 22 April 2011.
  7. 1 2 3 4 5 "Tajikistan – Mining". Nations Encyclopedia. Retrieved 18 April 2011.
  8. 1 2 "Tajikistan discovers two large gold deposits". China Mining Federation . Retrieved 18 April 2011.
  9. ↑ "Tajikistan Increased Export of Precious Metals by 30%". The Gazette of Central Asia. Satrapia. 1 September 2012. Retrieved 1 September 2012.
  10. ↑ "Tajikistan Has High Hopes for Kon-i Mansur Silver Mine". The Gazette of Central Asia. Satrapia. 10 March 2012. Retrieved 23 July 2012.
  11. ↑ Page, Kogan (26 September 2003). Asia & Pacific Review 2003/04: The Economic and Business Report. Kogan Page Publishers. p. 332. ISBN   978-0-7494-4063-3 . Retrieved 22 April 2011.
  12. ↑ "Tajik Aluminum Ball Mill". Aucom. Archived from the original on 4 September 2011. Retrieved 18 April 2011.
  13. 1 2 Merkel, Broder J.; Hasche-Berger, Andrea (2008). Uranium, Mining and Hydrogeology. Springer. p. 390. ISBN   978-3-540-87745-5 . Retrieved 18 April 2011.
  14. ↑ "Why Tajikist?z". Mining World Tajikistan. Retrieved 19 April 2011.
  15. 1 2 Curtin, Molly (1 July 2001). Environmental profile of Tajikistan. Asian Development Bank. p. 14. Retrieved 22 April 2011.
  16. ↑ Ghasimi, Reza (1994). Tajikistan. World Bank Publications. p. 18. ISBN   978-0-8213-3105-7 . Retrieved 18 April 2011.
  17. ↑ Pulsipher, Lydia Mihelic; Pulsipher, Alex; Goodwin, Conrad M. (14 September 2007). World regional geography: global patterns, local lives. Macmillan. pp. 292–. ISBN   978-0-7167-7792-2 . Retrieved 22 April 2011.
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