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septaria

septaria Sentence Examples

  • Septaria, shell boat-shaped.

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  • It was manufactured from septaria, hard stone-like concretions found in the London clay, notably at Harwich and Dovercourt.

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  • Septaria, shell boat-shaped.

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  • It is made from septaria nodules which are dredged up on the Kent and Essex coasts and consist of about 60% of calcium carbonate mixed with clay, the mass being sufficiently indurated to remain coherent under water.

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