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Sudbury Basin is the third-largest crater on Earth, after the 300 km (190 mi) Vredefort impact structure in South Africa, and the 180 km (110 mi) Chicxulub crater under Yucatán, Mexico. Geochemical evidence suggests that the impactor was likely a chondrite asteroid or a comet with a chondritic component.
Sudbury, officially the City of Greater Sudbury, is the largest city in Northern Ontario by population, with a population of 166,004 at the 2021 Canadian Census. [4] By land area, it is the largest in Ontario and the fifth largest in Canada .
It is located near the much larger Sudbury meteorite crater but they are not related. Lake Wanapitei seen from space, upper right of the image. The crater is 5.2 mi (8.4 km) in diameter and the age is estimated to be 37.2 ± 1.2 million years, placing it in the Eocene. [1] It was evident by the mid-1970s that Wanapitei Lake was an impact crater.
Greater Sudbury (Ontario, Canada) is considered a city of lakes containing 330 lakes, and the largest lake contained within a city, Lake Wanapitei with 13,257 hectares. [1] The lakes drain into two main watersheds: to the east is the French River watershed which flows into Lake Huron via Georgian Bay , and to the west is the Spanish River ...
Sudbury Basin is the third-largest crater on Earth, after the 300 km (190 mi) Vredefort impact structure in South Africa, and the 150 km (93 mi) Chicxulub crater under Yucatán, Mexico. [ 10 ] The Sudbury Igneous Complex is an impact melt that formed from this impact and the high pressures and temperatures melted the surrounding rock.
Charity Shoal crater; H. Holleford crater; S. Slate Islands (Ontario) Sudbury Basin; W. Lake Wanapitei This page was last edited on 27 September 2019, at 11:23 ...
The Sudbury Igneous Complex is a 1,844 million year-old impact melt sheet in Greater Sudbury, Northern Ontario, Canada. It is part of the Sudbury Basin impact structure, and is classified as a lopolith.
The largest in the last one million years is the 14-kilometre (8.7 mi) Zhamanshin crater in Kazakhstan and has been described as being capable of producing a nuclear-like winter. [11] The source of the enormous Australasian strewnfield (c. 780 ka) is a currently undiscovered crater probably located in Southeast Asia. [12] [13]