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Effectively Managing Dolerite Quarry

Thiruvannamalai to quarry block colour granite blocks under GONo4D2 Industries MMB1 Dept dated 27081999 and lease was executed on 21012000 for a period of 20 years till 20012020 The Block colour granite deposit of this area is commercially called as Dolerite It is a type of ferromagnesian dyke rock comprised of mineral.

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