File:Impact breccia (Eocene, 39 Ma; Haughton Impact Structure, Devon Island, northern Canada) 3 (16677908618).jpg

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Impact breccia from the Eocene of Canada. (specimen is ~5.5 centimeters across along the bottom of the photo) (Centre for Planetary Science and Exploration collection, London, Ontario, Canada)

The Eocene-aged (39 Ma) Haughton Impact Structure is located on Devon Island in northern Canada. The target rocks were Middle and Lower Paleozoic sedimentary rocks, floored by Precambrian metamorphic rocks. Clasts of these surface and subsurface target rocks occur in abundance at the Haughton Structure, eroding from impact breccias. Shattercones also occur, sometimes in sufficient abundance to trip over them.

The rock shown above is an impact breccia, consisting of poorly sorted, angular grains.
Date
Source Impact breccia (Eocene, 39 Ma; Haughton Impact Structure, Devon Island, northern Canada) 3
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/16677908618 (archive). It was reviewed on 6 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

6 December 2019

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Date/TimeThumbnailDimensionsUserComment
current02:00, 6 December 2019Thumbnail for version as of 02:00, 6 December 20193,810 × 3,000 (3.65 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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