Abstract
Chromite is an important source for the manufacturing of stainless steel, nichrome, paint, and chemicals industries and has wide industrial utilization. In Pakistan, the chromite deposits are mostly associated with the ophiolitic sequence resulting as an outpouring of molten material in the fractured zones of the Indian plate and the Neo-Tethys Ocean through the Cretaceous era. The discovery and documentation of chromite in Pakistan is traveling back to 1960s, but unfortunately, most of the reports are lacking authentication in reserve estimation and grading. If the modern and proper geophysical and geochemical analysis is performed to the reported area, then there are more bright chances of acquiring the more authenticate reservoir estimation, its distribution in the prospect zone and chemical composition per metric ton. The current article is an effort towards making a composite record of all the published/unpublished reports and articles regarding the chromite discovery, estimation, and extraction in Pakistan.
Highlights
Chromite is a spinel group mineral with the general chemical formula (Fe, Mg, Al) Cr2O4
In Pakistan, Chromite deposits are associated with ophiolite sequence resulted by the outpouring of molten material in the fractured zones of the Indian plate and Neo-Tethys ocean in Cretaceous time
In Pakistan Chromite Deposits are located in Chilas Complex, Sapat Complex, Jijal Complex, Shangle-Mingora, Malakand Agency-Sakhakot (Dargai), Waziristan, Zhob valley Igneous Complex, Bela and Muslimbagh
Summary
Chromite is a spinel group mineral with the general chemical formula (Fe, Mg, Al) Cr2O4. Stratiform deposits occur as a sheet-like an accumulation of chromite in layered ultramafic and mafic rocks. The podiform chromite is found in ophiolite sequence with associated gabbros, sheeted dykes, mafic cumulates, and tectonics [4, 5]. These chromite deposits are found in irregular shapes, such as pod or lensoidal bodies and often in disseminated form. In Pakistan, Chromite deposits are associated with ophiolite sequence resulted by the outpouring of molten material in the fractured zones of the Indian plate and Neo-Tethys ocean in Cretaceous time. Chromite deposits in Balochistan are located at Bela ophiolites, Muslimbagh-Zhob, and Waziristan Ophiolites [7]
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