Letter | Published:

Live and Dead Foraminifera between the Sarns, Cardigan Bay

Nature volume 204, page 774 (21 November 1964) | Download Citation

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Abstract

THE Sarns of Cardigan Bay are submarine ridges of boulders, cobbles and pebbles, running out to sea at right angles to the coast. The longest, Sarn Badrig or St. Patrick's Causeway, is more than 13 miles long. These striking features, and the areas of finer sediment between them, are being investigated. During the summer of 1961 samples were collected from sand areas in shallow, near-shore waters above the five fathom line, off Aberystwyth, off Clarach and off Borth in Cardigan Bay. These samples were surface skims of sediment obtained by use of ‘Normalair’ aqualung equipment from a rubber boat. Dr. T. D. Adams and Mr. W. Barrett assisted with this work. Analysis of the fauna in these samples by the standard rose bengal staining technique1 revealed that all the foraminifera were dead, and many of the shells were abraded and worn.

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References

  1. 1.

    , Contr. Cush. Found. Foram. Res., 3, 56 (1952).

  2. 2.

    , and , Proc. Liverpool Geol. Soc., session 39, pt. 2, 8, 205 (1897–98).

  3. 3.

    , in Recent Marine Sediments, edit. by Trask, P. D. (London : T. Mundy and Co., 1939).

  4. 4.

    , Geol. Mag., 88, 236 (1951).

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Affiliations

  1. Geology Department, University College of Wales, Aberystwyth.

    • JOHN HAYNES

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https://doi.org/10.1038/204774a0

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