What method is used to mine chromite?
What method is used to mine chromite?
Mining of chromite is carried out by open-pit and underground mining. Whereas open-pit mining is generally applied to podiform deposits, underground mining is applied to stratiform deposits.
Which state is largest producer of chromite ore in India?
Odisha
Odisha is the sole producer [99 per cent] of chromite ore. Over 85 per cent of the ore is of high grade [Keonjhar, Cuttack and Dhenkanal].
Where is chromite found in Pakistan?
Pakistan has abundant chromite deposits located in both northern and western parts of the Indus Suture Zone, Besham, Jijal, Chilas, Kohistan, Kot-Pranghar (Mohmand), Boya (Waziristan) Harichand, Sakhakot-Qila west of Tehsil Dargai, Bucha (Mohmand), and in ophiolite complexes of Baluchistan as Bela and Muslimbagh-Zhob …
What type of rock is chromite?
Chromite is a cumulate mineral which is found in ultramafic portions of layered mafic intrusions or in serpentines and other metamorphic rocks derived from the alteration of ultrabasic rocks.
What is the mineral composition of chromite ore?
Chromite, a brownish black cubic mineral belonging to the spinel group, is the only ore mineral from which metallic chromium and chromium compounds are obtained. It has the chemical formula FeCr2O4, and a theoretical composition of 32.0% FeO and 68.0% Cr2O3.
Is chromite a major mineral?
Cr2O3 or Fe Cr2O4. Chromite contains 68% Cr2O3 and 32% FeO with Cr : Fe ratio of about 1.8 : 1. Chromite is the only commercial source of chromium. It occurs as a primary mineral of ultrabasic igneous rocks and is normally associated with peridotite, pyroxenite, dunite and serpentinite.
Which country is the largest producer of chromite?
South Africa
South Africa was the largest producer of chromium in the world as of 2020, with production amounting to 16 million metric tons in that year. The total global mine production volume of chromium in that year was 40 million metric tons.
What is chromite used for in the Philippines?
Chromite also is classified among the key minerals for war purposes. Compounded with steel, it increases the hardness and tensile strength of that metal; and in this form is used in making projectiles, guns, ball-bearings, as well as safes, files, etc.
Is chromite a mineral?
Is chromite found in Quetta?
Zhob Valley, Quetta District, Balochistan Region, Pakistan.