... Comet model of kimberlite pipe formation under impact on the Earth at an angle to ... pipe formation after the collision of a comet with the Earth at an angle to the ... Key words : kimberlite pipe, comet, impact, diamonds. ? 6/2014 . ...
... Comet model of kimberlite pipe formation under impact on the Earth at an angle to the horizon . Artur Yakovlevich Sagomonyan centenary (1914-2001) . ...