Earth Science Week from Oct. 8 through 14 at SIU is aimed at promoting a better understanding and appreciation for the Earth sciences and to encourage stewardship of the Earth.
Sar-e-Sang, Koksha Valley, Kuran wa Munjan District, Badakhshan, Afghanistan : Skarn deposit of lapis lazuli that has probably been worked since the 7th millennium BC.
Sar-e-Sang lies in the Western Hindu Kush region, which is part of the main collision belt between the .