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Austin Chalk in Its Type Area
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Chemical Structure Formula Written On Blackboard With Chalk. Stock Photo, Picture and Royalty Free Image. Image 16620837.
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The Microscopic Structure of the Zones of the Chalk | Proceedings of the Yorkshire Geological Society
Structural geology of the Upper Cretaceous Chalk Central Mass, Isle of Wight, U.K. - ScienceDirect
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The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities and Classification: Smith, Joshua Toulmin: 9781340938925: Amazon.com: Books
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Structure and crystallography of foliated and chalk shell microstructures of the oyster Magallana: the same materials grown under different conditions | Scientific Reports
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Chalk: A biological limestone formed from shell debris
