File:Halitite (Salina Group, Silurian; Detroit Salt Company mine, Detroit, Michigan, USA) 3.jpg
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Summary
| Description |
English: Rock salt (sedimentary halitite) from the Silurian of Michigan, USA.
Rock salt is a chemical sedimentary rock that forms by the evaporation of water (usually seawater) and the precipitation of dissolved minerals. Chemical sedimentary rocks that form by the evaporation of water are called evaporites. Rock salt and rock gypsum are the two most common evaporites. Rock salt is composed of the mineral halite (NaCl - sodium chloride). It ranges in color from clearish to grayish to orangish-brown, but sometimes has other colors, such as blue and pinkish-orange. It has a strongly salty taste, is often coarsely-crystalline, and is relatively soft (H = 2.5). Rock salt is also known as halitite, which refers to sedimentary evaporite deposits composed of halite (NaCl). "Halitite" has also been used in the geologic literature to refer specifically to rock salt that's been contact metamorphosed by igneous intrusions. Stratigraphy: Salina Group, ~mid-Upper Silurian Locality: Detroit Salt Company mine, Detroit, Wayne County, southeastern Michigan, USA |
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| Source | https://www.flickr.com/photos/47445767@N05/50514226333/ |
| 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@N05/50514226333. It was reviewed on 25 October 2020 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 | |
|---|---|---|---|---|---|
| current | 18:17, 25 October 2020 | | 1,722 × 1,481 (1.81 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50514226333/ with UploadWizard |
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