File:Calciocarbonatite (sövite) (Magnet Cove Complex, mid-Cretaceous, 96 to 102 Ma; Cove Creek roadcut, Hot Spring County, Arkansas, USA) 1.jpg

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English: Calciocarbonatite in the Cretaceous of Arkansas, USA.

Central Arkansas has a famous “igneous limestone” unit called the Magnet Cove Carbonatite. The Magnet Cove is a mid-Cretaceous ring dike complex in the Arkansas Alkaline Province. The outcrop seen here has calciocarbonatite (a.k.a. sövite), a rare rock dominated by the mineral calcite (CaCO3, calcium carbonate).

Most of this roadcut has been vandalized with red and green spraypaint, probably by a disgruntled nearby landowner.

Geologic unit: Magnet Cove Complex, late Albian to Cenomanian, mid-Cretaceous, 96-102 Ma

Locality: Cove Creek roadcut at & immediately west of bridge over Cove Creek, northern side of Route 51, west of the town of Magnet Cove, northern Hot Spring County, central Arkansas, USA (34° 27.409’ North latitude, 92° 52.510’ West longitude)
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Source https://www.flickr.com/photos/47445767@N05/15232799304/
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@N05/15232799304. It was reviewed on 10 January 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

10 January 2022

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current17:10, 10 January 2022Thumbnail for version as of 17:10, 10 January 2022940 × 720 (425 KB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/15232799304/ with UploadWizard

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