pisolith

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pisolith

[′pī·zə‚lith]
(geology)
Small, more or less spherical particles found in limestones and dolomites, having a diameter of 2-10 millimeters and often formed of calcium carbonate.
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References in periodicals archive ?
Taylor G, Eggleton RA (2008) Genesis of pisoliths and of the Weipa Bauxite deposit, northern Australia.
In overlying deposits, the carbonate occurs as indurated laminar and rubbly horizons as well as pisoliths and laminar coatings on clasts.