| 释义 |
Purbeck|ˈpɜːbɛk|
Name of a peninsula on the Dorsetshire coast; in full, Isle of Purbeck; used attrib. to designate the stone quarried there, or things made of this, and the geological formation there typically developed.
Purbeck beds Geol., the three strata of the Purbeck series, reckoned as the uppermost members of the Oolite formation, or the lowest of the Wealden. Purbeck marble, the finer qualities of Purbeck stone, formerly much used in ornamental architecture. Purbeck stone, a hard limestone obtained from Purbeck, and used in building and paving.
[1205Rot. Litt. Pat. (1835) I. i. 53/2 Dedimus licenciam...S. Cicestr̃ Episcopo quod possit ducere marmor suum de Purbicc̃. 1410in Rogers Agric. & Pr. (1866) III. 401/3 Purbrick stone. 1598Stow Surv. (1908) I. 272 The next yeare [1423, they gave] fifteene pound..to the saide pauement [of the Guildhall], with hard stone of Purbecke. ]a1691Boyle Hist. Air (1692) 207 A very experienced mason informed me that the Cathedral of Salisbury is made of Purbeck-stone, which in the air..will moulder away. 1812Monthly Mag. 1 Dec. 396/1 The Purbeck strata are 410 feet. 1828Bakewell Introd. Geol. (ed. 3) xii. 274 The Purbeck beds are by some geologists classed with the oolites. 1845J. Phillips in Encycl. Metrop. VI. 632/1 Columns, chimney-pieces, and other architectural uses for which the ‘Purbeck marble’ is celebrated. 1850Forbes in Mem. Geol. Surv., Org. Rem. iii. Pl. v. 3 New forms of marine Purbeck mollusca. 1850Ecclesiologist XI. 113 A trefoil-headed niche with Purbeck angle-shafts.
b. absol. (a) = Purbeck stone; a Purbeck paving-stone. (b) Any one of the Purbeck strata.
1766Entick London IV. 82 The floor is paved with Purbeck. 1771Luckombe Hist. Print. 319 The Press-Stone should be marble, though sometimes Master Printers make shift with purbeck. 1833T. Hook Widow & Marquess iv, Savile had been polishing the purbecks of Portland-place. 1871Lyell Elem. Geol. xx. (1885) 286 Thick beds of chert occur in the Middle Purbeck. Ibid. 289 Between forty and fifty mandibles..have been found in the Purbecks.
Hence Purˈbeckian a., of or pertaining to the Isle of Purbeck, or to the Purbeck beds.
1885Geikie Text Bk. Geol. (ed. 2) 788 Upper or Portland Oolites—Purbeckian, Portlandian, Kimmeridgian. Ibid. 799 The Purbeckian group has been divided into three sub-groups. |