File:Calciocarbonatite (sovite) (Magnet Cove Carbonatite, mid-Cretaceous; Cove Creek, Hot Spring County, Arkansas, USA) 1 (14820217984).jpg
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| Description |
Calciocarbonatite (sövite) from the Cretaceous of Arkansas, USA. (10.1 cm across) Central Arkansas has 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 sample shown above is calciocarbonatite (a.k.a. sövite), dominated by the mineral calcite (= whitish to very light grayish). Other minerals in this material include apatite, magnetite, monticellite, phlogopite, and spinel. Age: late Albian to Cenomanian, mid-Cretaceous, 96-102 Ma Locality: Cove Creek, northern Hot Spring County, central Arkansas, USA |
| Date | |
| Source | Calciocarbonatite (sovite) (Magnet Cove Carbonatite, mid-Cretaceous; Cove Creek, Hot Spring County, Arkansas, USA) 1 |
| 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@N05/14820217984 (archive). 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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 09:05, 1 December 2019 | | 928 × 853 (137 KB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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