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Coltan is a dull black metallic ore from which are extracted the elements niobium and tantalum. The niobium-dominant mineral in coltan is columbite, and the tantalum-dominant mineral is the tantalite.
South Sinai Governorate is the least populated governorate of Egypt. It is located in the east of the country, encompassing the southern half of the Sinai Peninsula. Saint Catherine's Monastery, an Eastern Orthodox Church monastery and UNESCO World Heritage site of world renown, is located in the central part of the governorate.
Nuweiba is a coastal town in the eastern part of Sinai Peninsula, Egypt, located on the coast of the Gulf of Aqaba.
Tanco Mine or Bernic Lake mine is an underground caesium and tantalum mine, owned and operated by Sinomine on the north west shore of Bernic Lake, Manitoba, Canada. The mine has the largest known deposit of pollucite and is also the world's largest producer of caesium.
The Big Whopper mine is a large mine located at Separation Lake, in Ontario, Canada. Big Whopper represents one of the largest tantalum reserves in Canada having estimated reserves of 13.8 million tonnes of ore grading 0.007% tantalum and 1.34% lithium.
The Abu Dabab mine is a large mine located in the eastern part of Egypt in Red Sea Governorate. Abu Dabab represents one of the largest tantalum reserves in Egypt having estimated reserves of 39.9 million tonnes of ore grading 0.025% tantalum.
The Umm Naggat mine is a large mine located in the northern part of Egypt in South Sinai Governorate. Umm Naggat represents one of the largest tantalum reserves in Egypt having estimated reserves of 25 million tonnes of ore grading 0.015% tantalum.
The Kenticha mine is a large mine located in the southern part of Ethiopia in the Oromia Region. It represents one of the largest tantalum reserves in the country, having estimated reserves of 116 million tonnes of ore grading 0.02% tantalum.
The Morrua mine is a large mine located in the northern part of Mozambique in Zambezia Province. Morrua represents one of the largest tantalum reserves in Mozambique having estimated reserves of 7.5 million tonnes of ore grading 0.07% tantalum.
The Three Aloes mine is a large mine located in the western part of Namibia in Erongo Region. Three Aloes represents one of the largest tantalum reserves in Namibia, having estimated reserves of 13.2 million tonnes of ore grading 0.026% tantalum.
The Yichun mine is a large mine located in the southern part of China in Jiangxi. Yichun represents one of the largest tantalum reserves in China having estimated reserves of 34 million tonnes of ore grading 0.02% tantalum.
The Nanping mine is a large mine located in the southern part of China in Fujian. Nanping represents one of the largest tantalum reserves in China having estimated reserves of 14.1 million tonnes of ore grading 0.03% tantalum.
The Tongliao mine is a large mine located in the northern part of China in Inner Mongolia. Tongliao represents one of the largest tantalum reserves in China having estimated reserves of 6.8 million tonnes of ore grading 0.022% tantalum.
The Halzan Buregtei mine is a large mine located in the northern part of Mongolia in Khovd Province. Halzan Buregtei represents one of the largest tantalum reserves in Mongolia having estimated reserves of 218.8 million tonnes of ore grading 0.016% tantalum.
The Etykinskoye mine is a large mine located in the southern part of Russia in Zabaykalsky Krai. Etykinskoye represents one of the largest tantalum reserves in Russia having estimated reserves of 97.7 million tonnes of ore grading 0.013% tantalum.
The Orlovskoye mine is a large mine located in the southern part of Russia in Zabaykalsky Krai. Orlovskoye represents one of the largest tantalum reserves in Russia having estimated reserves of 200 million tonnes of ore grading 0.015% tantalum.
The Katuginskoy mine is a large mine located in the southern part of Russia in Zabaykalsky Krai. Katuginskoy represents one of the largest tantalum reserves in Russia having estimated reserves of 774 million tonnes of ore grading 0.025% tantalum.
The Voznesenovskoye mine is a large mine located in the southern part of Russia in Primorsky Krai in the Khorolsky District. Voznesenovskoye represents one of the largest tantalum reserves in Russia having estimated reserves of 17.2 million tonnes of ore grading 0.012% tantalum.
The Ulug-Tanzekskoye mine is a large mine located in the southern part of Russia in Tuva. Ulug-Tanzekskoye represents one of the largest tantalum reserves in Russia having estimated reserves of 50 million tonnes of ore grading 0.01% tantalum.
References
- ↑ "Tantalum reserves in Canada" (PDF). commerceresources.com. 2013. Archived from the original (PDF) on 2010-12-25. Retrieved 2013-07-07.