Abstract
THE council of the Geophysics Society desires to obtain records of mineral growths taking the form of hollow cylinders—those not due to organisms, and consisting of either lime, silica, iron, or other elements. Any such information from your readers would be valued.
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ABBOTT, G. Tubular Rock Structures . Nature 96, 677–678 (1916). https://doi.org/10.1038/096677d0
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DOI: https://doi.org/10.1038/096677d0
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