Popigai

Popigai

 

a river in Krasnoiarsk Krai, RSFSR. The Popigai is 532 km long and drains an area of 50,300 sq km. It originates in Lake Chonno-Kiuel’ on the north edge of the Central Siberian Plateau. Here the river has many rapids. The lower course flows across the North Siberian Lowland, where the river valley is broad and marshy. The Popigai empties from the right into the widened mouth of the Khatanga River. It is fed primarily by snow. Its mean flow rate is approximately 400 cu m per sec. The river freezes in October, and the ice breaks up in June. The main tributaries are the Rassokha and Fomich from the left.

References in periodicals archive ?
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 at 35.