Craters large and small Crater Size (km) Vredefort (Free State, South Africa) 300 Sudbury (Ontario, Canada) 130 Chicxulub (Yucatan, Mexico) 240 Popigai
(Siberia) 100 Manicouagan (Quebec, Canada) 100 Acraman (South Australia) 90 Chesapeake Bay (Virginia, USA) 85 Morokweng (Kalahari Desert) 70 Kara (Yugorsky Peninsula, Russia) 65 Beaverhead (Idaho, USA) 60 Table 13.
The Sobolev Institute of Geology and Mineralogy of the Russian Academy of Sciences of the Siberian branch developed a fresh super-strong material from impact diamonds mined in the Yakutian Popigai
crater, the Academy's edition "Nauka v Sibiri" said.
According to the report, the Popigai
crater above the Arctic Circle has lain untapped because the old Soviet Union put all its efforts into making synthetic gems.
The Siberian branch of Russian Academy of Sciences said over the weekend that the Popigai
crater contains "many trillions of carats" of so-called "impact diamonds.
2000) documented minerals with planar microstructures in the ejecta of the Popigai structure.
Popigai, Siberia-well preserved giant impact structure, national treasury, and world's geological heritage.
His journeys spanned the past decade and covered sites as far North as the enormous Popigai
crater in Siberia's polar region.
Shock metamorphic minerals in the Popigai
impact structure, Siberia
In the July 24 Nature, Richard Bottomley of Canadian Union College in College Heights, Alberta, and his colleagues dated a Siberian crater called Popigai