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Which minerals are commercially extracted in Assam?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Map highlighting the state of Assam in northeastern India, shaded in orange, with its capital Dispur marked. Assam is shown bordering Bhutan and Bangladesh, with surrounding countries and Indian states labeled for context. A small inset globe in the corner indicates Assam's location within Asia.
Assam

In the state of Assam, India, several minerals are commercially extracted to support the regional economy. These resources include:

  • Petroleum: Extensive reserves have been exploited in the northeastern part of the state since the late 19th century, with the first refinery in South Asia established at Digboi in 1901.1
  • Natural gas: Produced primarily in the northeastern region of the state.1
  • Coal: Found in both northeastern and south-central Assam, this resource is utilized locally by tea estates, railways, and steamships.1
  • Limestone: This mineral is quarried within the Mikir Hills, located in the Karbi Anglong district.1