Explanations:The question pertains to the role of major ports in India's iron ore export industry. Iron ore is a critical mineral resource for India, and its export is a significant part of the country's economy. The export of iron ore is managed through various ports across the country, each with its own specific role and capacity.
Marmagoa port, located in Goa, is one of the most important ports in India for the export of iron ore. The port's strategic location on the west coast of India, along with its well-developed infrastructure, makes it a key player in the export of iron ore. The port's proximity to the rich iron ore deposits in Goa and other parts of the western coast of India facilitates efficient transportation and export of the mineral.
The significance of Marmagoa port in the iron ore export industry is underscored by the fact that it accounts for approximately 50% of India's iron ore exports. This is due to the port's capacity, its efficient handling facilities, and its ability to manage large volumes of cargo. The port's role is not only economic but also environmental, as it helps in the sustainable management of mineral resources.
Other major ports in India, such as Kandla in Gujarat and Mangalore in Karnataka, also play significant roles in the export of iron ore. However, they do not account for as large a share of the total iron ore exports as Marmagoa. Kandla, for instance, is more diversified in its cargo handling, and Mangalore, while important, does not have the same level of export capacity for iron ore as Marmagoa.
Understanding the roles of these ports is crucial for comprehending the logistics and economic significance of mineral exports in India. It is also important for students preparing for competitive examinations, as questions related to the geography and economy of Indian states often feature in such exams.