| 释义 |
Baˈthonian, a.
[f. Bathonia, latinized name of the city of Bath, in England + -an; cf. Oxonian.]
1. Of or pertaining to the city of Bath.
1766Anstey Horace' Ode ii. i. (1808) 189 Whose genius guides, whose counsel guards The labours of Bathonian bards.
2. Geol. [ad. F. bathonien (J. J. D'O. D'Halloy Précis El. Géol. (1843) 471.] Denoting a subdivision of the Jurassic, of which the formations at Bath are typical.
1858Q. Jrnl. Geol. Soc. XIV. 100 The Oolitic rocks..may be thus tabulated..Portland Oolite [is] Portlandian... Cornbrash, Forest Marble, Bradford Clay, Great Oolite, Stones-field Slate, Fuller's Earth [are] Bathonian. 1903Geikie Text-bk. Geol. (ed. 4) 1140 The Great Oolite (Bathonian), between Dorset and Somerset on the west and Oxfordshire on the east. 1914Brit. Mus. Return 201 Ophiuroidea from..the Bathonian of Ardèche. 1960L. D. Stamp Britain's Struct. (ed. 5) xii. 133 The Inferior Oolite or Bajocian beds are represented..by limestones, the succeeding Great Oolite or Bathonian by deltaic deposits of coarse sand. |