Sudbury Basin - Wikipedia
网页Sudbury Basin is a 130 km (81 mi) diameter crater formed by an asteroid or comet impact 1.849 billion years ago. It is one of the oldest and largest known impact structures on Earth, and contains rich ore deposits of nickel and copper.
Sudbury Impact Structure - NASA Earth Observatory
网页2021年9月19日 · Sudbury Basin is a 1.8 billion year old crater in Canada that contains rich ore deposits of nickel and copper. Learn how this impact structure was formed, how it influenced the region's geology and history, and how it is mined today.
Comet Strike to Blame for Canada's Iconic Sudbury Basin
网页2014年11月19日 · The Sudbury Basin, which is the world's second-largest impact crater, was likely formed by an enormous comet that battered Earth more than 1.8 billion years ago, new research suggests.
SUDBURY IMPACT STRUCTURE - Crater Explorer
网页Learn about the 1.85 Ga multi ring crater in Ontario, Canada, that formed the Sudbury Igneous Complex and hosted the world's largest nickel-copper deposits. Explore its geomorphology, geophysics, mineralogy and history through aerial and ground exploration.
Landsat Image Gallery - Sudbury Impact Structure - NASA
网页Learn about the history and geology of Sudbury Basin, a 1.8 billion year old crater in Canada, from Landsat 8 and SRTM data. See how mining, pollution and restoration have shaped the region around the basin.
A Comet Did It! Mystery of Giant Crater Solved | Live Science
网页2014年11月18日 · The origins of a massive 1.8 billion-year-old crater in Canada has been revealed. The Sudbury Basin, which is the world's second-largest impact crater, was likely formed by an enormous comet...
SUDBURY IMPACT STRUCTURE – GEOMORPHOLOGY - Crater …
网页Learn how a large impactor created a transient crater at least 100 km in diameter and 30 km deep in northeastern Ontario 1850 million years ago. See how the crater was deformed, eroded and metamorphosed to form the Sudbury Igneous Complex and the Sudbury Basin.
Sudbury Impact Structure - SpringerLink
网页2023年1月1日 · Learn about the Sudbury impact structure, one of the oldest and largest known impact craters on Earth, located in Canada. Find out its history, origin, features, mineralization, ejecta, and possible meteoritic source.
Geochemical evidence from the Sudbury structure for crustal ...
网页2004年6月3日 · The 1.8-billion-year-old Sudbury structure 2 in Ontario, Canada, is greater than 200 km in diameter and preserves a complete impact section, including shocked basement rocks, an impact melt sheet...
Sudbury Impact Structure
网页2021年9月20日 · Few craters are as large, or as old, as this impact structure in southeastern Ontario, Canada. This image originally appeared in the NASA Earth Observatory story Sudbury Impact Structure.