Mirny mine
The Grasberg Mine
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Mirny mine
Siberia , Russia
Located in Siberia , Russia , Mirny mine is an open pit mine and is one of the biggest man made holes on earth – with a diameter of 3,900ft and reaching a maximum depth of 1,700ft .
Of all the stones found in Mirny , the largest was discovered in 1980 , weighing 342 carats . The lemonyellow diamond was named the ‘ 26th Congress of the Communist Party of the Soviet Union ’.
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The Grasberg Mine
Punack Jaya , Indonesia
Found near Indonesia ’ s tallest mountain , Punack Jaya , the Grasberg Mine boasts one of the largest gold and copper reserves of any known place on the planet .
On-site , there is a large open pit mine that measures 2km on the surface as well as an underground mine . It is estimated that there are 15.1mn tonnes of copper , 884 tonnes of gold , and more than 4,000 tonnes of silver still in the rock . miningdigital . com 63