nummulitic limestone

nummulitic limestone
noun Etymology: New Latin Nummulites, genus of foraminifers, from Latin nummulus Date: 1833 the most widely distributed and distinctive formation of the Eocene in Europe, Asia, and northern Africa

New Collegiate Dictionary. 2001.

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  • nummulitic limestone — limestone composed predominantly of fossil nummulites. [1825 35] * * * …   Universalium

  • nummulitic limestone — noun : the most widely distributed and distinctive formation of the Eocene in Europe, Asia, and northern Africa attaining a thickness of thousands of feet and being composed chiefly of the remains of foraminifers (especially of the genus… …   Useful english dictionary

  • Geological history of India — The geological history of India started with the geological evolution of rest of the Earth i.e. 4.57 bya (billion years ago). India has a diverse geology. Different regions in India contain rocks of all types belonging to different geologic… …   Wikipedia

  • Mokattam — The Moqattam Hills (upper area), above the City of the Dead Cairo necropolis, in 1904 aerial view by Eduard Spelterini from a hot air ballon …   Wikipedia

  • foraminifer — noun Date: circa 1842 any of an order (Foraminifera) of large chiefly marine rhizopod protozoans usually having calcareous shells that often are perforated with minute holes for protrusion of slender pseudopodia and form the bulk of chalk and… …   New Collegiate Dictionary

  • num|mu|lit|ic — «NUHM yuh LIHT ihk», adjective. 1. containing nummulites: »nummulitic limestone. 2. characterized by nummulites …   Useful english dictionary

  • nummulite — nummulitic /num yeuh lit ik/, adj. /num yeuh luyt /, n. a fossil foraminifer of the genus Camerina (Nummulites), having a calcareous, usually disklike shell. [1805 15; NUMMUL(AR) + ITE1] * * * ▪ paleontology       any of the thousands of extinct… …   Universalium

  • geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …   Universalium

  • Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene …   Universalium

  • Egypt — • Provides information on history, religion, and literature Catholic Encyclopedia. Kevin Knight. 2006. Egypt     Egypt     † …   Catholic encyclopedia

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