GENERAL KNOWLEDGE

Detailed explanation-1: -Monazite is a source of rare earth. Monazite contains thorium. Monazite occurs naturally in the entire Indian coastal sands in India.

Detailed explanation-2: -Monazite is a source of He which is a reddish-brown phosphate mineral containing rare-earth metals. It is an important ore for thorium, lanthanum, cerium. It is found in India, Madagascar, South Africa, with a large deposit of monazite sand. It is from the German word “monazit” meaning solitary.

Detailed explanation-3: -Thorium is found in large quantities in the monazite sands of Kerala.

Detailed explanation-4: -Monazite is a thorium-bearing mineral that occurs in sand deposits in a number of places around the world.

Detailed explanation-5: -The Monazite sands of Kerala are rich in Thorium. Monazite sands are composed of elemental phosphate minerals such as cerium and occur as small brown crystals in the sands of Kerala (these monazite sands are mined for both cerium and thorium oxide).