Montagnais crater

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Montagnais is a meteorite crater located on the continental shelf south of Nova Scotia, Canada.^[1]

It measures 45 km in diameter, and its age is estimated to be 50.50 ± 0.76 million years (Eocene). The crater is under the sea and buried beneath marine sediments.

References [edit]

^ "Montagnais". Earth Impact Database. University of New Brunswick. Retrieved 2008-12-30.

External links [edit]

RASC documentation of the Montagnais structure.

Coordinates: 42°53′N 64°13′W / 42.883°N 64.217°W / 42.883; -64.217

Impact cratering on Earth

Geology

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Confirmed ≥20 km diameter	Acraman Amelia Creek Araguainha Beaverhead Boltysh Carswell Charlevoix Chesapeake Bay Chicxulub Clearwater East & West Gosses Bluff Haughton Kamensk Kara Karakul Keurusselkä Lappajärvi Logancha Manicouagan Manson Mistastin Mjølnir Montagnais Morokweng Nördlinger Ries Obolon' Popigai Presqu'île Puchezh-Katunki Rochechouart Saint Martin Shoemaker Siljan Ring Slate Islands Steen River Strangways Sudbury Tookoonooka Vredefort Woodleigh Yarrabubba

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Research	Baldwin, Ralph Belknap Barringer, Daniel Barringer Medal Chao, Edward C T Dietz, Robert S Earth Impact Database Hartmann, William K Impact Field Studies Group Lunar and Planetary Institute Melosh, H Jay Ryder, Graham Schultz, Peter H Shoemaker, Eugene Traces of Catastrophe book

Astronomy

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Defense	Asteroid impact avoidance B612 Foundation Gravity tractor Ion Beam Shepherd Japan Spaceguard Association NEOShield Spaceguard The Spaceguard Foundation

Potential threats	1950 DA 1994 WR₁₂ 1999 RQ₃₆ 2002 MN 99942 Apophis 2004 VD₁₇ 2007 VK₁₈₄ 2011 BT₁₅