What does neocomian mean?
Definitions for neocomian
neo·co·mi·an
This dictionary definitions page includes all the possible meanings, example usage and translations of the word neocomian.
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Webster Dictionary
Neocomiannoun
a term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand
Neocomianadjective
of or pertaining to the lower greensand
Etymology: [From Neocomium, the Latin name of Neuchatel, in Switzerland, where these rocks occur.]
Wikidata
Neocomian
In geology, Neocomian was a name given to the lowest stage of the Cretaceous system. It was introduced by Jules Thurmann in 1835 on account of the development of these rocks at Neuchâtel, Switzerland. It has been employed in more than one sense. In the type area the rocks have been divided into two sub-stages, a lower, Valanginian and an upper, Hauterivian; there is also another local sub-stage, the infra-Valanginian or Berriasian. These three sub-stages constitute the Neocomian in its restricted sense. A. von Koenen and other German geologists extend the use of the term to include the whole of the Lower Cretaceous up to the top of the Gault or Albian. Eugène Renevier divided the Lower Cretaceous into the Neocomian division, embracing the three sub-stages mentioned above, and an Urgonian division, including the Barremian, Rhodanian and Aptian sub-stages. Sir A. Geikie regards Neocomian as synonymous with Lower Cretaceous, and he, like Renevier, closes this portion of the system at the top of the Lower Greensand. Other British geologists restrict the Neocomian to the marine beds of Speeton and Tealby, and their estuarine equivalents, the Weald Clay and Hastings Sands. Much confusion would be avoided by dropping the term Neocomian entirely and employing instead, for the type area, the sub-divisions given above. This becomes the more obvious when it is pointed out that the Berriasian type is limited to Dauphine; the Valanginian has not a much wider range; and the Hauterivian does not extend north of the Paris basin.
Chambers 20th Century Dictionary
Neocomian
nē-ō-kō′mi-an, adj. and n. (geol.) of or pertaining to the lower division of the Cretaceous system, including the Lower Greensand and the Wealden of English geologists. [Græcised from Neuchâtel, near which is its typical region; Gr. neos, new, kōmē, a village.]
Anagrams for neocomian »
monoecian
Numerology
Chaldean Numerology
The numerical value of neocomian in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of neocomian in Pythagorean Numerology is: 8
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"neocomian." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/neocomian>.
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