Siljan Ring proved inconclusive. Drilling for natural gas was resumed in the late 2000s and continues as of mid-2012. The scientific premise for prospecting of this sort is based on the work of physicist Vladimir Kutcherov, who is cooperating with Igrene, the company financing the drilling operations. Siljan Ring The Siljan Ring () is a prehistoric impact crater in Dalarna, central Sweden. It is one of the 15 largest known impact craters on Earth and the largest in Europe, with a diameter of about . The impact that created the Siljan Ring occurred when a meteorite collided with the Earth's surface during
Melvin Mora and a runner on first base in the fifth inning, he was given his unconditional release effective the following day. He batted .228 with no home runs and 16 RBI in 42 games with the Diamondbacks. He allegedly officially announced his retirement as an active player on December 29, 2011, though in mid-January, Mora corrected that claim by saying he still wished to play in 2012. Melvin Mora agreed to represent his native country, Venezuela, in the 2006 World Baseball Classic, joining fellow Venezuelan major Leaguers Bobby Abreu, Edgardo Alfonzo, Miguel Cairo, Omar Vizquel, Carlos Guillén, Johan Santana, Freddy García,