File:Basalt ventifact (McMurdo Sound area, Antarctica) 1 (32425110735).jpg

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Basalt ventifact from Antarctica. (public display, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA)

Ventifacts are lustrous, polished rocks with subplanar to curved facets. They form by natural abrasion and polish by winds that carry sand grains. Ventifacts are naturally sand-blasted rocks.

Locality: McMurdo Sound area, Antarctica
Date
Source Basalt ventifact (McMurdo Sound area, Antarctica) 1
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@N05/32425110735. It was reviewed on 10 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

10 October 2019

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Date/TimeThumbnailDimensionsUserComment
current00:22, 10 October 2019Thumbnail for version as of 00:22, 10 October 20192,418 × 2,712 (5.7 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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