File:Basalt lava flows over sandstones (Cedar Canyon Basalt over Straight Cliffs Formation; Cedar Canyon, Iron County, Utah, USA) 4 (30729109306).jpg

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Pleistocene basalts over Cretaceous sandstones in Utah, USA.

The dark-colored rocks at top are columnar-jointed basalt lava flows (at least two flows are present). The lighter-colored rocks below are cliff-forming, shallow marine to marginal marine sandstones in the Straight Cliffs Formation.

Loose pieces of olivine basalt are present near road level in a 2009 rockslide deposit. They are presumably derived from this unit at the top of the cliff.

Stratigraphy of lava flows: Cedar Canyon Basalt, lower Middle Pleistocene, 630 ka

Stratigraphy of sandstones: Tibbet Canyon Member, Straight Cliffs Formation, Upper Cretaceous

Locality: Cedar Canyon (view from Rt. 14 at milepost 8), southeastern Iron County, southwestern Utah, USA
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Source Basalt lava flows over sandstones (Cedar Canyon Basalt over Straight Cliffs Formation; Cedar Canyon, Iron County, Utah, USA) 4
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/30729109306. It was reviewed on 1 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

1 December 2019

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current08:59, 1 December 2019Thumbnail for version as of 08:59, 1 December 20192,000 × 2,432 (4.44 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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