Santonianadj.

/sanˈtəʊnɪən/

Etymology: < French Santonien (H. Coquand 1857, in Bull. de la Soc. géol. de France XIV. 749) < Santon , native or characteristic of Saintes, a town in Charente-Maritime Dept. ( < Latin Santoni or Santones , ancient name of a people of Aquitania), + -ien -ian suffix.

Geology.

Name of a stage in the Upper Cretaceous in France and adjacent areas, corresponding to the middle Senonian and to part of the Upper Chalk in Britain; of or pertaining to this stage and to the strata which characterize it, or the geological age during which it was deposited. Frequently absol.

ΘΚΠ

the world > the earth > structure of the earth > age or period > [adjective] > secondary or Mesozoic > Cretaceous > specific

Neocomian1843

Santonian1869

the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > secondary or Mesozoic > Cretaceous > specific

Wealden1828

Speeton1829

Neocomian1843

Albian1846

Senonian1850

Urgonian1856

Santonian1869

Maastrichtian1885

Valanginian1885

Vectian1885

Barremian1903

1869 H. Coquand in Q. Jrnl. Geol. Soc. 25 239 I have divided the Cretaceous formation of the south-west [of France] in the following manner..Santonian stage (of Saintes).

1885 A. Geikie Text-bk. Geol. (ed. 2) 833 This stage [sc. the Senonian]..consists mainly of white chalk separable into the two divisions of: 1st, Micraster (Santonian) sub-stage composed of chalk beds [etc.].

1924 C. Schuchert Text-bk. Geol. (ed. 2) II. xxxviii. 537 Upper Cretaceous [of Europe]... Senonian... Santonian.

1971 Nature 18 June 439/2 Misfit motion in the African plate closed this rift in Santonian time.

1974 Encycl. Brit. Micropædia VIII. 886/2 In northern Europe the Santonian is represented by the Granulaten Chalk, the equivalent of portions of the Upper Chalk in Great Britain.

This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2021).

单词	santonian
释义	Santonianadj. /sanˈtəʊnɪən/ Etymology: < French Santonien (H. Coquand 1857, in Bull. de la Soc. géol. de France XIV. 749) < Santon , native or characteristic of Saintes, a town in Charente-Maritime Dept. ( < Latin Santoni or Santones , ancient name of a people of Aquitania), + -ien -ian suffix. Geology. Name of a stage in the Upper Cretaceous in France and adjacent areas, corresponding to the middle Senonian and to part of the Upper Chalk in Britain; of or pertaining to this stage and to the strata which characterize it, or the geological age during which it was deposited. Frequently absol. ΘΚΠ the world > the earth > structure of the earth > age or period > [adjective] > secondary or Mesozoic > Cretaceous > specific Neocomian1843 Santonian1869 the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > secondary or Mesozoic > Cretaceous > specific Wealden1828 Speeton1829 Neocomian1843 Albian1846 Senonian1850 Urgonian1856 Santonian1869 Maastrichtian1885 Valanginian1885 Vectian1885 Barremian1903 1869 H. Coquand in Q. Jrnl. Geol. Soc. 25 239 I have divided the Cretaceous formation of the south-west [of France] in the following manner..Santonian stage (of Saintes). 1885 A. Geikie Text-bk. Geol. (ed. 2) 833 This stage [sc. the Senonian]..consists mainly of white chalk separable into the two divisions of: 1st, Micraster (Santonian) sub-stage composed of chalk beds [etc.]. 1924 C. Schuchert Text-bk. Geol. (ed. 2) II. xxxviii. 537 Upper Cretaceous [of Europe]... Senonian... Santonian. 1971 Nature 18 June 439/2 Misfit motion in the African plate closed this rift in Santonian time. 1974 Encycl. Brit. Micropædia VIII. 886/2 In northern Europe the Santonian is represented by the Granulaten Chalk, the equivalent of portions of the Upper Chalk in Great Britain. This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2021). < adj.1869
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