Similar Objects in Kerala, India - likely Slag (Score 1)

I found an acre or more of land strewn with these kind of stones in Southern India. Here is a JPEG picture: http://baheyeldin.com/sites/baheyeldin.com/files/be/images/meteorite/meteorite-1.jpg After much debate and sending pictures off to a University Professor, settled on the explanation that the stones are metallurgical slag. We wrote up some details and posted here: http://baheyeldin.com/science/kerala-meteorite-volcano-or-ancient-foundry.html