单词 | pisolith |
释义 | pisolithn. Geology. Each of the small rounded accretions resembling peas which are cemented together to make up a pisolitic rock, similar to but larger than ooliths. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > pisolite > pisolith pisolite1708 pisolith1799 1799 Philos. Trans. (Royal Soc.) 89 320 The globular calcareous concretions, found at Carlsbad and other places, called Pisolithes. 1908 Science 20 Mar. 468/1 Red earthy material, containing pisoliths and irregular concretions of brown iron oxide. 1947 Jrnl. Sedimentary Petrol. 17 43/1 In pools full of pisoliths and ooliths, the larger ones (around 20 mm. long) occur at the top. 1999 Jrnl. Geochem. Explor. 67 15 Red-brown soil containing ferruginous pisoliths underlain by saprolite. Derivatives pisoˈlithic adj. containing or consisting of pisoliths. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [adjective] > calcareous > pisolite pisolitic1824 pisolithic1860 1860 R. F. Burton in Jrnl. Royal Geogr. Soc. 1859 29 70 The plain is either sand or humus, and here rounded stones..and pisolithic iron begin to appear. 1947 Jrnl. Sedimentary Petrol. 17 39 Calcareous concretions, principally of the pisolithic type. 1993 Jrnl. Field Archaeol. 20 312/2 Pisolithic ferruginous ochre clay veins with black Fe–Al nodules. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < |
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