And now for some culture: Here the news on Mines of Sardinia Obsidian: characteristics and formation. In this page you know the main characteristics of the obsidian and its formation. http://www.minesofsardinia.com/VaiMonteArciIng.php?IdMA=2 Sulcis. The page dedicated to the Sulcis mining district. http://www.minesofsardinia.com/CatMinIng.php?CA=13 The mine of Rosas. The page dedicated to the mine of Rosas, the first mine of the Sulcis area. http://www.minesofsardinia.com/VaiMinieraIng.php?IdM=27&ICM=13 The mines of the Island of San Pietro. The page dedicated to the mines of the Island of San Pietro, the second group of mine of the Sulcis area. http://www.minesofsardinia.com/VaiMinieraIng.php?IdM=28&ICM=13 The holiday section has also been updated with new excursions http://www.minesofsardinia.com/VacanzeIng.php Cheers - Tony Oldham Duncavin 1 Riverside Mews CARDIGAN SA43 1DH United Kingdom http://www.sat.dundee.ac.uk/~arb/speleo/guides.html http://www.showcaves.com http://www.mike.munro.cwc.net/mining/tony_o/tonyo_hp.htm http://www.showcaves.com/foreign/Big/F003-003.jpg