Tithonianadj.n.

Brit.

/tʌɪˈθəʊnɪən/,

/tᵻˈθəʊnɪən/, U.S.

/təˈθoʊniən/,

/taɪˈθoʊniən/

Origin: From a proper name, combined with an English element.; modelled on a German lexical item. Etymons: proper name Tithonus , -ian suffix.

Etymology: < the name of Tithonus (see tithonic adj.) + -ian suffix, after German tithonisch (A. Oppel 1865, in Zeitschr. der Deutsch. Geol. Ges. 42 535), so called with reference to this stage of the Jurassic leading into the ‘dawn’ of the Cretaceous. Compare classical Latin Tīthōnius of or relating to Tithonus.

Geology.

A. adj.

Designating the uppermost stage of the Upper Jurassic; of or relating to this stage.The upper part of the Tithonian is broadly equivalent to the Portlandian in Britain.

ΘΚΠ

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

Purbeck stone1410

Oxfordian1845

Portlandian1845

Callovian1851

Kimmeridgian1851

Bathonian1858

Sinemurian1863

Tithonian1869

Toarcian1885

Kellovian1888

Aalenian1896

Pliensbachian1952

1869 Nature 2 Dec. 143/2 Professor Oppel himself considered that his Tithonian stage brought the jurassic period a step forward in time, whilst M. Hébert regarded the deposits studied by him as carrying the lower part of the cretaceous formation further back.

1882 A. Geikie Text-bk. Geol. 800 At the top of the Alpine Jurassic series an important group of deposits occurs to which the name of Tithonian stage was given by Oppel.

1941 Amer. Jrnl. Sci. 239 665 The comparison..with the Cretaceous pterodactyloid and the Liassic and Tithonian rhamphorhynchoid brains.

1986 Micropaleontology 32 116/2 Sethocapsa pseudouterculus commonly occurs in the upper Tithonian radiolarian beds.

2007 D. Pol & Z. Gasparini in Z. Gasparini et al. Patagonian Mesozoic Reptiles v. 117 The Jurassic record of Patagonian crocodyliforms is exclusively formed by marine forms found..principally in the Tithonian levels of the Vaca Muerta Formation.

B. n.

The Tithonian stage (see sense A.); the period of time corresponding to this stage.

ΘΚΠ

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

Oxford clay1812

cornbrash1813

Kellaways1813

Portland oolite1814

coral-rag1816

oolite1816

Oxford oolite1818

Kimmeridge clay1830

lias1833

Portland sand1836

skull-cap1839

Solenhofen slate1841

Stonesfield slate1855

Callovian1856

Tithonian1869

coralline oolite1871

Lincolnshire limestone1873

Ampthill Clay1877

Aalenian1882

Pliensbachian1903

1869 Nature 2 Dec. 143/2 The question to be settled is where, if anywhere, in this section the line of division between the jurassic and cretaceous formations is to be drawn,..dividing it into a jurassic and a cretaceous Tithonian.

1871 Q. Jrnl. Geol. Soc. 27 208 The deposition of the Wealden strata..commenced before the close of the Oolitic period; it continued during the whole of the Tithonian.

1913 Geol. Mag. 5th Decade 10 346 (title) Psalidocrinus: a new genus of Crinoidea from the Tithonian of Stramberg.

1975 Nature 13 Mar. 108/1 Two different directions have been obtained from sediments in the lower and upper parts of the Morrison formation (Kimmeridgian–Tithonian respectively).

2007 M. S. de la Fuente in Z. Gasparini et al. Patagonian Mesozoic Reptiles iii. 76 The history of Patagonian turtles continues with paratethysean panpleurodires (Notoemys) and eucryptodires (Neusticemys) from the Tithonian (Upper Jurassic) of the Neuquén Basin.

This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).

单词	tithonian
释义	Tithonianadj.n. Brit. /tʌɪˈθəʊnɪən/, /tᵻˈθəʊnɪən/, U.S. /təˈθoʊniən/, /taɪˈθoʊniən/ Origin: From a proper name, combined with an English element.; modelled on a German lexical item. Etymons: proper name Tithonus , -ian suffix. Etymology: < the name of Tithonus (see tithonic adj.) + -ian suffix, after German tithonisch (A. Oppel 1865, in Zeitschr. der Deutsch. Geol. Ges. 42 535), so called with reference to this stage of the Jurassic leading into the ‘dawn’ of the Cretaceous. Compare classical Latin Tīthōnius of or relating to Tithonus. Geology. A. adj. Designating the uppermost stage of the Upper Jurassic; of or relating to this stage.The upper part of the Tithonian is broadly equivalent to the Portlandian in Britain. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > secondary or Mesozoic > Jurassic > specific Purbeck stone1410 Oxfordian1845 Portlandian1845 Callovian1851 Kimmeridgian1851 Bathonian1858 Sinemurian1863 Tithonian1869 Toarcian1885 Kellovian1888 Aalenian1896 Pliensbachian1952 1869 Nature 2 Dec. 143/2 Professor Oppel himself considered that his Tithonian stage brought the jurassic period a step forward in time, whilst M. Hébert regarded the deposits studied by him as carrying the lower part of the cretaceous formation further back. 1882 A. Geikie Text-bk. Geol. 800 At the top of the Alpine Jurassic series an important group of deposits occurs to which the name of Tithonian stage was given by Oppel. 1941 Amer. Jrnl. Sci. 239 665 The comparison..with the Cretaceous pterodactyloid and the Liassic and Tithonian rhamphorhynchoid brains. 1986 Micropaleontology 32 116/2 Sethocapsa pseudouterculus commonly occurs in the upper Tithonian radiolarian beds. 2007 D. Pol & Z. Gasparini in Z. Gasparini et al. Patagonian Mesozoic Reptiles v. 117 The Jurassic record of Patagonian crocodyliforms is exclusively formed by marine forms found..principally in the Tithonian levels of the Vaca Muerta Formation. B. n. The Tithonian stage (see sense A.); the period of time corresponding to this stage. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Jurassic > specific Oxford clay1812 cornbrash1813 Kellaways1813 Portland oolite1814 coral-rag1816 oolite1816 Oxford oolite1818 Kimmeridge clay1830 lias1833 Portland sand1836 skull-cap1839 Solenhofen slate1841 Stonesfield slate1855 Callovian1856 Tithonian1869 coralline oolite1871 Lincolnshire limestone1873 Ampthill Clay1877 Aalenian1882 Pliensbachian1903 1869 Nature 2 Dec. 143/2 The question to be settled is where, if anywhere, in this section the line of division between the jurassic and cretaceous formations is to be drawn,..dividing it into a jurassic and a cretaceous Tithonian. 1871 Q. Jrnl. Geol. Soc. 27 208 The deposition of the Wealden strata..commenced before the close of the Oolitic period; it continued during the whole of the Tithonian. 1913 Geol. Mag. 5th Decade 10 346 (title) Psalidocrinus: a new genus of Crinoidea from the Tithonian of Stramberg. 1975 Nature 13 Mar. 108/1 Two different directions have been obtained from sediments in the lower and upper parts of the Morrison formation (Kimmeridgian–Tithonian respectively). 2007 M. S. de la Fuente in Z. Gasparini et al. Patagonian Mesozoic Reptiles iii. 76 The history of Patagonian turtles continues with paratethysean panpleurodires (Notoemys) and eucryptodires (Neusticemys) from the Tithonian (Upper Jurassic) of the Neuquén Basin. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). < adj.n.1869
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