mines de calcaire à chennai
Obulapuram Mining Company - Wikipedia, the free encyclopediaObulapuram Mining Company also known as OMC or OMCPL is an iron ore mining company .. Indian Express. Retrieved 2010-06-24. Jump up ^ "Illegal mining: Lokayukta slams Government". Chennai, India: The Hindu. 2009-07-14. Retrieved 2009-09-07.mines de calcaire à chennai,Concerns Over Sand Mining and Beaches Alterations, Chennai .Apr 19, 2011 . Brick making is a common sight in rural Tamil Nadu around Chennai as the red clay is readily available and the demand for building materials.