Abstract
IN a previous communication (NATURE, February 14, p. 367) we called attention to the series of oceanic deposits in Barbados, of which the well-known Radiolarian earth (or Polycistina marl) forms a part. We stated that these deposits had a wide extension, and were of variable composition, some being much more calcareous than others; and further that they formed an independent series, resting unconformably on the older clays and sandstones which are supposed to be of early Tertiary age.
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BROWNE, A., HARRISON, J. Tertiary Chalk in Barbados. Nature 39, 607 (1889). https://doi.org/10.1038/039607a0
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DOI: https://doi.org/10.1038/039607a0
