Abstract

Jodhpur Sandstone, used extensively in several regional heritage buildings in north-western India, geologically belongs to the Ediacaran-Cambrian age Marwar Supergroup. The Marwar Supergroup has been subdivided into Jodhpur (arenaceous facies), Bilara (carbonate facies) and Nagaur (argillaceous facies) groups (in stratigraphically ascending order). The brown, red, pink and creamish pink varieties of Jodhpur Group Sandstone are the most preferred dimension stone varieties, excavated from several open quarries in the region between Jodhpur and Satrava in western part of Rajasthan State, NW India. The region has an old quarrying history, dating back to the use of sandstone in the fourth century temples in Mandor, eighth century Osian Temple Complex (also called as Khajuraho of Rajasthan for its intricate carvings in sandstone) and several historic monuments, such as Mandore Fort, Royal Tombs at Mandore Garden, Mehrangarh Fort, Clock Tower, Jaswant Thada, Umaid Bhawan Palace, etc. Several present day institutions/corporate houses of national eminence, such as the Rajasthan High Court, Indian Institute of Technology (Jodhpur), All India Institute of Medical Sciences (Jodhpur), Umaid Heritage Residential Complex and Hotel Radisson (Jodhpur) etc. exemplify continued use of Jodhpur Sandstone in contemporary times. Buildings of the Karachi Municipal Corporation and Karachi Chamber of Commerce and Industry in southern Pakistan attest to the international usage of Jodhpur Sandstone. The Jodhpur Sandstone can be classified as ‘quartz arenite’ comprising rounded to sub-rounded quartz grains with ferruginous cement. Its mature, mineralogy and moderate to high endurance, resistance to weathering, etc., render it suitable for intricate carving. Owing to these characteristics and its aesthetic appeal, it is used in a range of artefacts and handicrafts within India and overseas. The Jodhpur Sandstone fulfils the criteria laid down by the Heritage Stone Sub-commission for designation as a Global Heritage Stone Resource and we propose a case for its consideration and accreditation as a Global Heritage Stone Resource from India.

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