pisolith

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pi·so·lith

 (pī′sə-lĭth′, -zə-, pĭs′ə-, pĭz′ə-)
n.
A small, rounded, concentric accretion of rock, usually of calcium carbonate, larger and less regular than an oolite. Also called pisolite.

[Greek pisos, pea + -lith.]

pisolith

(ˈpaɪsəʊˌlɪθ)
n
(Geological Science) geology any of the pea-sized concentric formations within a fine matrix that form a pisolite
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References in periodicals archive ?
Iron (Fe) nodules and pisoliths are a common feature of many soils and weathering profiles in the tropics, subtropics, regions of Mediterranean climate and even temperate regions (Amouric et al.
Well-known bauxite mineralogist, Professor Eggleton of the Australian National University coined the term "PDM" for these black pisoliths which he found in bauxites from Weipa, Northern QLD.
FTIR-RM mapping has been used to determine the distribution of the different chemical components in human gallstones [13], to characterize the minerals in pisoliths [14], the mineral and collagen in tooth dentin [15] and the mineral and resins in dental composites [16].