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A large, coin-shaped, fossil foraminifer of the genus Nummulites, widely distributed in limestone formations from the Eocene Epoch to the Miocene Epoch of the Cenozoic.

[From New Latin Nummulītēs, type genus, from Latin nummulus, diminutive of nummus, coin, probably from Greek nomimos, customary, legal; see nem- in Indo-European roots.]

num′mu·lit′ic (-lĭt′ĭk) adj.
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9m barrels of condensate, lying in a nummulitic limestone reservoir (see gmt15TunisFieldsApr14-14).
This unit thus represents the Nummulitic Series" of Middlemiss (1896) the Khairabad Limestone" of Gee (1934) has been well-studied for the local biostratigrahic and sedimentolgical investigations (Sameeni and Butt 1992; Afzal et al.
Straightigraphic Committee of Pakistan formalized the name as Patal Formation" and extended this name to the other parts of Kohat-Potowar basin for Tarkhobi Shales" of Eames [2] part of the Hill Limestone" of Wynne [3] and Cotter [4] part of Nummulitic Formation" of Waagen and Wynne [5] part of Nummulitic Series" of Middlemiss [6] and Kuzagali Shales" of Latif [7].
In upper part of it, Karaj Formation has been placed gradually on Middle Eocene nummulitic limestone (Figures 3, 4 and 5)
In a conservative scenario the nummulitic Metlaoui / El Gueria reservoir is a gas only accumulation within the bounds of the DHI.