单词 | globigerina |
释义 | Globigerinan. Zoology and Palaeontology. A genus of chiefly planktonic foraminiferans of the family Globigerinidae, the microscopic spherical shells of which accumulate to form thick deposits that cover large areas of the ocean floor. Also (in form globigerina): a foraminiferan of this genus, or (more widely) the family Globigerinidae or order Globigerinida. Cf. globigerine adj. ΘΚΠ the world > animals > invertebrates > protozoa > class Sarcodina > order Rhizopoda > [noun] > suborder Foraminifera > member of foraminifer1842 Globigerina1847 1847 J. Craig New Universal Dict. Globigerina, a genus of Foraminifera, belonging to the Heliostegua of M. D'Orbigny. 1863 C. Lyell Geol. Evid. Antiq. Man xiv. 268 Their stomachs were full of globigerina, of which foraminiferous creatures..the oozy bed of the ocean at that vast depth was found to be exclusively composed. 1880 A. R. Wallace Island Life vi. 89 The Globigerinæ have been shown by the Challenger explorations to abound in all moderately warm seas. 1937 W. C. Allee & K. P. Schmidt Hesse's Ecol. Animal Geogr. xiii. 240 Globigerinas are found in great masses, especially in places where currents meet which are rich in plankton. 1954 Jrnl. Paleontol. 28 386/1 Tertiary sediments containing Globigerinas or other pelagic Foraminifera are apt to contain many coccoliths as well as other planktonic forms. 1965 Valley News (Van Nuys, Calif.) 10 Jan. 56/1 This organism, called globigerina, grows in sea water and when it dies it leaves a microscopic globular shell. 2003 E. B. Davies et al. Sci. in Looking Glass (2007) viii. 206 The chalk is composed of the shells of tiny organisms called Globigerinae together with other organic granules called coccoliths. Compounds C1. General attributive, as Globigerina limestone, Globigerina-shell, etc. ΚΠ 1861 Chem. News 27 Apr. 266/1 I may mention that..in examining a sample of the Globigerina deposit brought up by a previous sounding on the same spot, I detected some Echinoderm spines. 1862 G. C. Wallich N. Atlantic Sea-bed 146 These were built up almost exclusively of very small Globigerina-shells and still more minute calcareous debris cemented together. 1902 Geogr. Jrnl. 9 702 Mr. Peake says that at 1433 fathoms the washer was covered by globigerina shells. 1990 House & Garden Nov. 158/3 Above this, a colour change will often reveal the different globigerina limestone which comes from the quarry soft, compact and easy to carve. 2004 C. Bain Malta & Gozo (Lonely Planet) (ed. 2) 42 The golden-coloured Globigerina Limestone is softer, and underlies much of central and eastern Malta. C2. ΘΚΠ the world > the earth > structure of the earth > constituent materials > sediment or alluvium > [noun] > marine with organic remains ooze1858 Globigerina ooze1862 Globigerina mud1868 radiolarian ooze1876 sapropel1907 1868 W. B. Carpenter in Proc. Royal Soc. 17 192 The deposit of Globigerina-mud has been going on, over some part or other of the North-Atlantic sea-bed, from the Cretaceous epoch to the present time. 1872 J. D. Dana Corals & Coral Islands ii. 143 A mud full of foraminifers, Globigerina mud, as it is called from the species characterizing it. Globigerina ooze n. deep-sea mud or calcareous ooze, consisting of the shells of globigerinae and other foraminiferans. ΘΚΠ the world > the earth > structure of the earth > constituent materials > sediment or alluvium > [noun] > marine with organic remains ooze1858 Globigerina ooze1862 Globigerina mud1868 radiolarian ooze1876 sapropel1907 1862 Trans. Microsc. Soc. 10 73 With the exception of a few drops of Globigerina ooze.., in no single instance, has a particle of the material been given out. 1947 Times 23 Dec. 5/6 There were samples of red clay, radiolarian ooze, Globigerina ooze, and volcanic mud, a few of them showing unmistakeable signs of stratification. 1995 Science 26 May 1209/1 Dredgings from abyssal depths demonstrated that the sediments at great depth were not uniformly composed of Globigerina ooze as previously thought. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online June 2022). < n.1847 |
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