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Sunday stone, a calendar in rock
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Sunday stone, a calendar in rock
Formed in a Tyneside coal mine in the 1800s, the white mineral barium sulphate, settled out in a water trough and during working shifts was blackened by coal dust. The resulting concretion formed a natural calendar, with a large white layer every Sunday when no work was taking place
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Media ID 8615651
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10706150
Calendar Coal Limestone Mine Mineral Sedimentary Sedimentary Rock Sulfate Sulfate Mineral Sulphate Sunday Wavy Barium
EDITORS COMMENTS
Sunday Stone: A Unique Calendar in Rock Formed in a Tyneside Coal Mine This image showcases the intriguing Sunday Stone, a natural calendar formed in a coal mine in Tyneside during the 1800s. The Sunday Stone is a sedimentary concretion, made up of barium sulfate, which settled out in a water trough during the mining process. Over time, the white mineral was covered in coal dust during the working shifts, leaving a large white layer every Sunday when no work took place. The intricate lines and wavy patterns in the stone are a result of the sedimentary process, with the white barium sulfate contrasting against the darker coal sediments. This unique mineral, also known as a sulfate mineral or limestone sulfate, forms when barium ions replace calcium ions in the crystal structure of limestone. The Sunday Stone is a testament to the natural processes that occur within the earth and the unique ways in which human activity can interact with and influence these processes. The stone's calendar-like formation is a fascinating reminder of the rhythms of the mining industry and the passage of time. This studio shot of the Sunday Stone highlights its intricate details and the beauty of its natural formation. The image is not to be confused with any commercial use or products related to the Sunday Stone, but rather a celebration of this unique geological phenomenon.
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