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File:Balanced Rock, Entrada Sandstone (Middle Jurassic), Arches National Park, eastern Utah 7.jpg

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English: In addition to natural arches and blind arches, eastern Utah's Arches National Park has a relative abundance of balanced rocks. Balanced rocks are large rock masses supported by a relatively narrow pedestal. They form by differential weathering and differential erosion of hard and soft rocks. Arches National Park's balanced rocks are developed in the Entrada Sandstone (Middle Jurassic), which is entirely composed of siliciclastics stained red by abundant hematite (= iron oxide, Fe2O3). Many of the balanced rocks consist of relatively hard, massive Slickrock Member sandstones supported by a pedestal of relatively soft siltstones and fine-grained sandstones having contorted & wavy bedding (= Dewey Bridge Member).
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Source https://www.flickr.com/photos/47445767@N05/8470353733/
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@N05/8470353733. It was reviewed on 28 February 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

28 February 2023

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current18:43, 28 February 2023Thumbnail for version as of 18:43, 28 February 20231,798 × 1,198 (2.19 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/8470353733/ with UploadWizard

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