Magnetite

Source: ET

Context: The Bihar government plans to collaborate with the Geological Survey of India (GSI) to gather valuable geological information about magnetite-bearing rocks and ultramafic rocks in the region.

What are magnetite-bearing rocks?

Magnetite-bearing rocks are rocks that contain magnetite, a black, opaque, and magnetic mineral. These rocks often exhibit magnetic anomalies and are known to host valuable minerals such as Chromite, Nickel, Platinum Group of Elements (PGE), and gold. Magnetite is one of the most abundant metal oxides and has various industrial applications. More often, magnetite occurs in its massive form, commonly called ‘lodestone’

What are ultramafic rocks?

Ultramafic rocks are a type of igneous rock that have a high concentration of dark-coloured minerals rich in iron and magnesium. These rocks typically contain very little silica and are composed mainly of minerals such as olivine and pyroxene. Ultramafic rocks are associated with deep-seated mantle processes and are often found in areas where tectonic plates are converging.

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