Ma'adinin Zinare na Obuasi
Mahaka Zinare na Obuasi wani rami ne na buɗe-rami da ma'adanan gwal da ke kusa da Obuasi, a cikin Ashanti Yankin Ghana. Yana ɗayan daga cikin manyan-ma'adanan zinare 9 a duniya.[1] 'Filin' mallaka ne na Asantehene King Osei Tutu II.[2][3]. Nakin yana cikin Gundumar Karamar Hukumar Obuasi, mil 39 (kilomita 59.4) kudu maso yamma na babban birnin yankin Kumasi.[4]
 Ma'adinin Zinare na Obuasi | ||||
|---|---|---|---|---|
mine (en)  | ||||
| Bayanai | ||||
| Ƙasa | Ghana | |||
| Ma'aikaci |
AngloGold Ashanti (en) | |||
| Product, material, or service produced or provided (en) | zinare | |||
| Shafin yanar gizo | anglogold.com… | |||
| Wuri | ||||
| ||||
An fara hakar gwal a wurin hakar gwal ɗin na Obuasi sama da shekaru 112 da suka gabata, a shekarar 1897 lokacin da a da aka sanshi da suna Ashanti Mine.
A cikin 2008, ayyukan AngloGold Ashanti na Ashantiland, wanda ya ƙunshi Obuasi da Iduapriem Gold Mine, sun ba da gudummawar 11% ga samarwar kamfanin na shekara-shekara. Duk mahakan sun zama ɓangare na AngloGold Ashanti lokacin da Kamfanin Ashanti Goldfields tare da Sam E. Jonah a matsayin shugaba suka haɗu da AngloGold Corporation na Afirka ta Kudu a cikin 1990s.
A shekarar 2009, mahakar ta dauki sama da mutane 5,700 aiki. Ma'adanai sun sami asarar rayuka biyu a cikin 2008 da ɗaya a cikin 2009.
Ya zuwa 2016 an rufe mahakar saboda lamuran fa'ida tare da rundunar tsaro kawai dake kan aiki.
Tarihi
gyara sasheAn fara hakar ma'adanai a Obuasi a cikin 1897, sannan ake kira wurin da Ashanti Mine.[5]
A wata hira da Ashanti Kwesi Enyan, Manajan Darakta na kamfanin hakar gwal na Obuasi, ya sanar cewa mahakar, alhali tana da arziki, tana fuskantar kalubale kamar mayar da ma'adanan ga riba, magance matsalolin zamantakewar da muhalli, inganta ayyukan al'umma da hakar ma'adanai ba bisa ka'ida ba.[6] An fara sukar ma'adanan tun a shekarar 1975 saboda gurbatar muhalli,[7] kuma aka ci gaba da yin sukar.[8]
Bayan an tafka asara mai yawa an dakatar da hakar ma'adanan a karshen shekarar 2014 lokacin da aka kori kimanin masu hakar ma'adinai 5,000. Babban rundunar tsaro ta kasance a wurin, amma, har zuwa shekarar 2016, tana fuskantar matsin lamba daga masu haƙo ma'adinai na cikin gida. Maigidan yana fatan sake haɓaka ma'adanan kuma sake buɗe ta azaman aiki mai fa'ida a wani lokaci. Shirye-shiryen sun haɗa da rage girman ma'adanai, tare da mayar da wani kaso mai tsoka ga gwamnatin Ghana; ci gaba da hawan rami don samun damar shiga cikin manyan ɗakuna masu daraja; da kuma tattaunawar yarjejeniyoyin tsaro da muhalli tare da gwamnatin Ghana.[9][10]
Samarwa
gyara sasheLissafin samarwa na kwanan nan sune:
| Shekara | Samarwa | Daraja | kudin kowace oza |
| 2002[11] | 537,219 ounces | 4.84 g/t | US$ 198 |
| 2003[11] | 513,163 ounces | 4.28 g/t | US$217 |
| 2004[12] | 255,000 ounces | 5.27 g/t | US$305 |
| 2005[12] | 391,000 ounces | 4.77 g/t | US$345 |
| 2006[13] | 387,000 ounces | 4.39 g/t | US$395 |
| 2007[2] | 360,000 ounces | 4.43 g/t | US$459 |
| 2008[2] | 357,000 ounces | 4.37 g/t | US$633 |
| 2009[2] | 381,000 ounces | 5.18 g/t | US$630 |
| 2010 | |||
| 2011 | |||
| 2012 | |||
| 2013 | US$1,820 | ||
| 2014 | |||
| 2015 |
- Sakamakon 2004 na watanni takwas ne daga Mayu zuwa Disamba kawai.
Duba kuma
gyara sasheHanyoyin haɗin waje
gyara sashe- AngloGold Ashanti website
- Obuasi mine (GHA-00013) Secretariat of the African, Caribbean and Pacific Group of States website
Manazarta
gyara sashe- ↑ "World's top 10 gold deposits". 7 August 2013. Retrieved 5 August 2015.
- ↑ 2.0 2.1 2.2 2.3 Annual Report 2009 Archived 2011-09-12 at the Wayback Machine AngloGold Ashanti website, accessed: 9 August 2010
- ↑ Country report: Ghana – Obuasi Archived 2011-07-07 at the Wayback Machine AngloGold Ashanti website, accessed: 9 August 2010
- ↑ "An Economic History of the Ashanti Goldfields Corporation" (PDF) (PDF). Retrieved 5 August 2015.
- ↑ Obuasi Gold Mine, Ghana Archived 2011-07-07 at the Wayback Machine ayiajavon.com, accessed: 9 August 2010
- ↑ Obuasi Mine targets 500,000 ounces of gold production by 2013[permanent dead link] The Mail – Ghana News, accessed: 9 August 2010
- ↑ Amasa, SK. "Arsenic pollution at Obuasi Goldmine, town, and surrounding countryside". Environ Health Perspect. 12: 131–5. doi:10.1289/ehp.7512131. PMC 1475037. PMID 1227854.
- ↑ Gold Rush: The impact of gold mining on poor people in Obuasi in Ghana Archived 2016-03-03 at the Wayback Machine ghana-net.com, accessed: 9 August 2010
- ↑ Future of Obuasi There are a number of links on this page to history and news. Accessed April 12, 2016
- ↑ Nicholas Bariyo and Alexandra Wexler (April 11, 2016). "Fortune Hunters Endanger Africa's Abandoned Mines Fights break out as the commodities rout forces mining companies to close shafts". The Wall Street Journal. Retrieved April 12, 2016.
In Ghana, AngloGold Ashanti Ltd., the world’s No. 3 gold producer, closed shafts at its Obuasi mine in late 2014, as the mine hemorrhaged cash amid sinking metals prices. Early this year, hundreds of men broke through the 13-mile fence around Obuasi and started prospected for gold there on their own.
- ↑ 11.0 11.1 Ashanti Annual Report 2003 Archived 2006-10-24 at the Wayback Machine accessed: 10 August 2010
- ↑ 12.0 12.1 Annual Report 2005 Archived 2011-07-19 at the Wayback Machine AngloGold Ashanti website, accessed: 9 August 2010
- ↑ Annual Report 2006 Archived 2011-07-07 at the Wayback Machine AngloGold Ashanti website, accessed: 9 August 2010