During the Soviet era, one of these places named Popigai was sealed off after the discovery of nearby diamonds.
During the Soviet era, one of these places named Popigai was sealed off after the discovery of nearby diamonds. Richat in Mauritania was long thought to be one of these places. One of these places named after Daniel Barringer can be found a few miles east of Diablo Canyon. The Murray Mine was established in one of these places, paving the way for (*) Sudbury, Ontario's nickel industry. Many of the largest examples of these places were formed by bolides. The largest of these places lies near Vredefort in South Africa, and the northern YucatÃ¡n Peninsula is home to another named Chicxulub. The Tunguska event notably failed to produce one of these locations. For 10 points, name these places formed when meteorites hit the Earth's surface.
During the Soviet era, one of these places named Popigai was sealed off after the discovery of nearby diamonds.
impact craters [accept impact structures or astroblemes; prompt on "basins," "depressions," and other similar answers] 