Jurassic Rocks
Preserved but no longer current.
The group of lime- stone rocks embracing the strata between the top of the Rhaetic Beds and the base of the Purbeckian Rocks, thus including the Lias and Oolites. So named from the Swiss Jura, where they are typically developed.
Era: ca. 1898 (Victorian)
Sources & notes
Reproduced from Brewer’s Dictionary of Phrase and Fable (1898 edition, public domain; archive.org, retrieved 2026-07-31; OCR text, minor errors possible). Reflects the scholarship and attitudes of its era.
Common questions
What does “Jurassic Rocks” mean?
The group of lime- stone rocks embracing the strata between the top of the Rhaetic Beds and the base of the Purbeckian Rocks, thus including the Lias and Oolites. So named from the Swiss Jura, where they are typically developed.
Is “Jurassic Rocks” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.