Amazon Quiz: Where did the marble used to make this building come from?
Options:
1) Morwad, Maharashtra
2) Rajnagar, Rajasthan
3) Ambaji, Gujarat
4) Makrana, Rajasthan
Answer: Makrana, Rajasthan
Makrana marble is a type of white marble mined in the town of Makrana in Rajasthan, India. It is popular for use in sculpture and building decor. It is used in the construction of several iconic monuments such as the Taj Mahal in Agra and the Victoria Memorial in Kolkata. The Makrana Marble is listed as a Global Heritage Stone Resource by the International Union of Geological Sciences.
Marble is found in five steeply-dipping bands in the Makrana area. They form part of the Ajmer Formation of the Delhi Supergroup. About 1450 million years ago these rocks were affected by the Delhi Orogeny. It caused metamorphism that transformed the original limestones into marble.
Makrana is said to be the oldest place in India with a marble quarry. Upon mining, Makrana marble is not subjected to any form of treatment but is used in cutting and chiseling. Makrana marble is one of the two calcitic marble varieties in India, with all others being dolomitic. The quantity of marble reserves in the region is estimated to be 55 million tonnes.
The specialty of Makrana marble is that it has a high percentage of calcium and is therefore resistant to water seepage. The water absorption of Makrana marble is said to be the lowest among all types in India, and the marble is claimed to contain 98 percent of calcium carbonate and only two percent of impurities.
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